Organic nitrogen compound containing

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31.75
This subclass is indented under subclass 24.00.  Compositions which contains an organic nitrogen compound.
(1) Note. An organic nitrogen compound is a compound wherein nitrogen is attached directly or indirectly to carbon of an organic compound by nonionic bonding.

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31.43,for ink containing organic dye wherein an organic nitrogen compound, which may be the dye, is present.
31.47,for marking compositions containing an organic nitrogen or an organic sulfur compound.


 
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Patent Number
Title
  Date
3941608 Flow agent for ink systems Mar-2-1976
An improved dispersant and flow agent for ink systems formed from a selectively oxidized linear unsaturated hydrocarbon having a carbon to carbon terminal double bond and a process for forming the same.
A photosensitive coating composition comprising (1) a prepolymer containing radically cross-linkable ethylenically unsaturated double bonds and (2) a sensitizer which comprises predominantly a mixture of (a) benzophenone, halogenated benzophenone or a combination thereof and (b) 4,4'-bis(diethylamino)benzophenone...     
A dry planographic printing ink composition which comprises a vehicle for an ink, a pigment and a solvent, characterized by using as a portion of the vehicle 1 to 40% by weight of silicone modified alkyd resin containing 5 to 50% by weight of organopolysiloxanes represented by the average composition...     
A dry planographic printing ink composition which comprises a vehicle for an ink, a pigment and a solvent, characterized by using as a portion of the vehicle 1 to 40% by weight of a silicone modified alkyd resin containing 5 to 50% by weight of at least one of the organopolysiloxanes substituted by amino...     
3973981 Pigment compositions Aug-10-1976
A non-crystallizing and non-flocculating pigment composition comprising as the base material a base organic pigment sch a phthalocyanine and as the additive a specified derivative of a starting organic pigment such as phthalocyanine.
4001304 Acrylic acid esters Jan-4-1977
N-Substituted acryloyloxyethyl amines are useful both as radiation curable coating materials and as cure accelerators in coating formulations. The amines are prepared by one of several methods including transesterification of acrylate esters with an N-substituted hydroxyethylamine or acrylation of the...     
4011311 Applicator stick Mar-8-1977
A gel type applicator stick of adhesive, deodorant or other dispersoid containing in percentages by weight from 0.01 to 45% dispersoid, 10 to 90% water or aqueous solvent and from 5 to 40% of a gel forming agent which is a reaction product of an automatic diisocyanate having 8 to 30 carbon atoms and...     
There are described novel yellow compounds which are represented by the formula ##STR1## wherein X is a member selected from the group consisting of ##STR2## The compounds may be used for various applications and preferably are utilized as imaging particles in the photoelectrophoretic imaging method.
4065316 Printing ink Dec-27-1977
A printing ink is disclosed. The ink comprises (a) a reactive resin combined with a second resin comprising a substantially anhydrous water-soluble thermosetting stable methylated urea-formaldehyde resin wherein the weight of the methoxyl substituents therein is between 28% and 40% of the weight of the...     
4070194 Ink for marking Jan-24-1978
An ink for marking any fabric, which fades to disappear after use, employs a phthalein color. The fading time which is suitable for the marking ink can be regulated by the addition of ethanolamines and lower alcohols so that the phthalein color disappears naturally after from several hours to about 10...     
4072700 Azomethine copper complexes Feb-7-1978
Disclosed are compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen, carboxy, alkoxycarbonyl, aminocarbonyl, mono- or dialkylaminocarbonyl, benzimidazolonyl-5-aminocarbonyl or phenylaminocarbonyl, the phenyl radical of which is unsubstituted or substituted by up to 3 substituents selected from...     
Liquid additive, which is substantially insoluble in water, for a pigmentary printing paste for use in printing on textile fibers and fabrics, wherein the additive comprises a surface-active, non-ionic liquid product having a molecular weight of between 1,000 and 20,000 and formed by condensing one or...     
4111916 Printing ink resins Sep-5-1978
Cyanoethylated polyurethanes suitable for use as hard ink resins are prepared by the steps of (1) reacting a polyol having a functionality of at least 3 with an alkyl acrylate or a cyanoethylation agent such as acrylonitrile, (2) acidifying the product adduct, and (3) reacting the remaining hydroxyl...     
A novel ultra-violet absorber comprising a cyano-oligomer of Formula I of FIG. 1 of the drawings wherein (Ar).sub.1, (Ar).sub.2, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Y are organic radicals is given. A radiation curable coating composition with the novel cyano-oligomer, urethane oligomers and vinyl...     
4138419 Cyclopentadiene derivative Feb-6-1979
A novel cyclopentadiene derivative of the general formula: ##STR1## wherein R.sup.1 is hydrogen, a mono- to tetra-hydric alcohol moiety having 1 to 12 carbon atoms, a metal of Groups Ia, IIa and IIb of the Periodic Table, an ammonium group or an organic amine residue; R.sup.2, R.sup.3, and R.sup.4 are...     
4153467 Method of ink jet printing May-8-1979
A method of ink jet printing by injecting ink through a fine nozzle and electrostatically deflecting the ink particles to print a symbol corresponding to a predetermined matrix, the improvement wherein said ink comprises a non-aqueous ink comprising a coloring agent and a mixture of formamide and an...     
4154618 Novel coating compositions May-15-1979
Novel aqueous coating compositions are formed from acidic resins and a metal-polyamine complexer, optionally with organic acids and cometals. The acidic resin is combined with the complexer in the presence of ammonia to form the coating composition, a coordinate which, upon drying, provides films which...     
4175973 Curable compositions Nov-27-1979
Cationic polymerization of epoxy resin such as epoxy monomers or prepolymers, can be achieved by use of certain radiation sensitive aromatic onium salts of Group Va elements. Curable compositions are provided which can be used as sealants, coating compounds, encapsulants, etc.
An aqueous-alcoholic, foam-growth-controlling printing ink composition having a pH in the range of from about 8 to about 12 of use in the chemical embossing of heat-foamable and expandable resinous materials comprising: (1) from about 1% to about 15% of a foam-growth-controlling chemical agent, such...     
4217265 Pigment preparations Aug-12-1980
Easily dispersible preparations of organic pigments are obtained by coating the pigment particles with essentially colorless aromatic compounds having a molecular structure being similar to that of the pigment and having an aliphatic chain of more than 5 carbon atoms. These preparations are stable to...     
Coatings particularly useful as marking inks in which an epichlorhydrin-modified polyethylenimine and an ethylene oxide-modified polyethylenimine cooperate in aqueous solution to form a composition capable of application to form deposits adherent to most materials and resistant to most organic solvents...     
4281329 Liquid recording medium Jul-28-1981
A liquid recording medium for use in a recording device, wherein the liquid recording medium is discharged from a discharge orifice in a recording head of the device and spattered in the form of droplets contains a carbonic acid ester compound having an aliphatic radical.
4368281 Printed circuits Jan-11-1983
Ink compositions especially suitable for printing electronic circuit patterns on a substrate such as a flexible polyester substrate; methods for developing electrolessly and electrolytically the circuit configurations as articles of manufacture; flexographic printing with the ink composition has been...     
Dispersions containing (a) a pigment, (b) an oxalkylated novolak, (c) urea and/or a compound containing at least 2 long-chain aliphatic groups and which are connected via a bridge member containing ester and/or amide groups, and (d) water and/or agents retarding drying up, and, optionally, usual adjuvants,...     
4398955 Dispersions Aug-16-1983
A dispersion of a particulate solid in a polar organic medium in the presence of a dispersing agent which is a tertiary amine or a salt thereof with a mineral acid or an aromatic carboxylic or sulphonic acid, the amine containing at least one polymeric group which is a poly(lower alkylene oxy) chain...     
4410364 Printing ink compositions Oct-18-1983
Printing inks are provided comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant. The organophilic clay gellant comprises the reaction product of an organic cation, an organic anion and a smectite-type clay having a cation exchange capacity...     
This invention relates to novel pigmentary products, particularly valuable in the textile art, prepared by using strong acid solvents to solubilize or form fine colloidal dispersions of normally water-insoluble aryl pararosanilines in an aqueous medium. The aryl pararosaniline which is thus solubilized...     
4483712 Water-borne laminating ink Nov-20-1984
Water-borne inks containing shellac or copal in combination with a titanium ester chelate have excellent printability and bond strength when used as laminating inks.
4490176 Fluid, stable formulations Dec-25-1984
Stable, fluid formulations contain (a) finely divided iron cyano complexes, iron-III oxides or iron-III oxide hydrates, (b) one or more C.sub.6 -C.sub.18 -alkylbenzenesulfonic acid, (c) one or more compounds which are obtained by Mannich condensation from 2-hydroxynaphthalene, which may or may not contain...     
4515639 Azo pigment formulations May-7-1985
Intense azo pigment formulations which have good flow and are readily dispersible are obtained on adding a long-chain aliphatic primary amine and a diamine of the formula H.sub.2 N--A--NH.sub.2 in which A is an aliphatic hydrocarbon radical having 6 to 30 C atoms, before, during or preferably after the...     
4525216 Ink composition Jun-25-1985
An ink composition for a marking pen is disclosed which permits smooth writing even after a long period of standing of the pen with no cap. The ink composition comprises an organic solvent, a pigment, a resin and at least one additive selected from the group consisting of a glyceride of specified structure,...     
Polyamides which are alcohol-soluble at room temperature, are useful in formulating printing inks, and which comprise dimerized fatty acids, at least one aliphatic unbranched monocarboxylic acid and at least one aliphatic branched monocarboxylic acid as the acid component, and ethylenediamine and hexamethylenediamine...     
4612052 Flexographic ink composition Sep-16-1986
Ink composition comprising a conventional flexographic ink stock, a wax, and a chlorinated polyolefin. This ink composition can be used to print webs, e.g. tapes, bearing a low adhesion backsize on one major surface thereof and a pressure-sensitive adhesive on the other major surface thereof.
4623392 Printing ink Nov-18-1986
A composition for preparing a printing ink. The composition comprises (a) a vehicle or binder, which comprises at least two resins which are compatible, one of which resins is a polyvinyl acetal or a dibasic acid-modified rosin ester, (b) a release agent, (c) a solvent for the vehicle and release agent,...     
4629748 Erasable ball-point pen ink Dec-16-1986
An erasable ball-point pen ink is described comprising a rubber component, a volatile solvent, a pigment and a nonvolatile solvent, said ink further containing at least one dispersant that is liquid at room temperature and completely soluble in said volatile solvent and which is selected from the group...     
Polyamide condensation products, adaptable to use as antislip agents, formed between 1.5 to 2 equivalent parts of a polymerized fatty acid and 1 equivalent part of an amine component comprising a diprimary ether diamine, optionally together with a co-diamine, and nonslip coating compositions comprising...     
An ultraviolet curable ink composition comprising, as main components, (A) a polyurethane poly(meth)acrylate obtained by reacting a polyisocyanate compound of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group, and n is an integer of from 1 to 20, with a hydroxyl group-containing...     
4687791 Erasable ball-point pen ink Aug-18-1987
An erasable ball-point pen ink is disclosed. The ink is comprised of a rubber component, a volatile solvent, a pigment and a nonvolatile solvent, which additionally contains finely divided powders of an inorganic compound which is inactive to other ink components contained therein; a semisolid substance;...     
4693846 Urethane-modified rosin esters Sep-15-1987
The present invention encompasses a urethane-modified rosin ester which is derived from an isocyanate and a hydroxyl-functional rosin esterification product of a dimerized rosin. The urethane-modified rosin esters, having a high softening point and good compatibility with hydrocarbon solvents, good gelability...     
Floccular compositions comprising ultrafine inorganic particles having maximum particle dimensions of from 0.5 to 3000 (preferably 2 to 1500) nm combined with a size-stabilizer which is a lyophobic substance with lyophilic activity on its surface and also comprising a polyelectrolyte flocculating agent...     
4738725 Initially erasable ball pen ink Apr-19-1988
A ball pen ink of transiently erasable type to be dispensed from a pressurized ball pen incorporates an elastommeric polymer, pigment and a mixed solvent system. The mixed solvent system includes a volatile solvent component, a non-volatile solvent component and a non-volatile solvent/plasticizer component...     
A method of neutralizing the organic acidity in petroleum and petroleum fractions to produce a neutralization number less than 1.0 whereby they are rendered suitable as lube oil feed stocks which comprises treating said heavy gas oils with a neutralizing amount of monoethanolamine to form an amine salt...     
4797157 Amine salts of lignosulfonates Jan-10-1989
Disclosed is a method for the production of a sulfomethylated lignin amine salt from the lignin by-product of the black liquor residue of a kraft pulping process and the use of lignin amine salts as additives in other chemical compositions. The lignin amine salt is produced by precipitating lignin from...     
A print is produced by printing or coating an infrared reflective coloring agent and another printing ink containing an infrared absorptive coloring agent in combination on a base material. The print therefore contains visually-recognizable information along with other information which is recognizable...     
4889877 High solids CB printing ink Dec-26-1989
A high solids content, aqueous, microcapsule-containing printing ink is prepared by forming microcapsules in situ in a printing ink vehicle. The microcapsules are preferably prepared by interfacial polymerization or interfacial crosslinking between a reactant, such as a polyisocyanate dissolved in an...     
The present invention comprises a water dispersible polyamide diethanolamine ester, having the following general structure: ##STR1## wherein x is an integer of 0-5; R.sup.1 is independently at each occurrence an aliphatic group of up to 40 carbon atoms or polyamide segment; R.sup.2 is independently at...     
4959661 Ink-jet printing process Sep-25-1990
A process for applying an ink-jet printing ink comprising the steps of: (a) preparing an aqueous Newtonian dispersion containing acidic or neutral carbon black or pigments and a surfactant; (b) removing all aggregates larger than 5 microns; and (c) ink-jet printing said dispersion onto a receptor substrate.
In the embodiments described in the specification, a dispersed, pigmented hot melt ink contains a thermoplastic vehicle, a colored pigment, and a dispersing agent to inhibit settling or agglomeration of pigment when the ink is molten comprising an isocyanate-modified microcrystalline wax or lignite wax...     
5129948 Ink for ink jet printing Jul-14-1992
An ink composition, preferably for ink jet printing, contains a liquid carrier, a colorant, and a polyalkyleneimine/alkylene oxide block copolymer, preferably polyethyleneimine/propylene oxide/ethylene oxide block copolymer, and/or a primary or secondary polyoxyalkylene amine.
Dispersibility of extender pigments in ink formulations is improved by using as the extender pigment, a quaternary ammonium treated kaolin clay.
Improved water soluble resins having qualities of adhesion, wettability and improved stability for use in packaging ink compositions are prepared as the reaction products of modified rosin and a compound containing two secondary amine groups, and further modifying said reaction products with a polyol,...     
5156675 Ink for ink jet printing Oct-20-1992
Fast drying ink compositions contain a colorant, a dye, water and a cosolvent. Some of the ink compositions dry in less than about 1 second and have a viscosity of between about 1.6 and about 2.5 centipoise and a specified surface tension. Some of the ink compositions contain specified cosolvents, preferably...     
A process for converting crude pigments into pigmentary form wherein the crude pigment is premilled, then contacted with a polar solvent at temperatures below 50.degree. C., with or without the presence of particle growth inhibitors, and finally isolated.
Disclosed is a printing process which comprises applying in imagewise fashion to a substrate an ink composition which comprises an aqueous liquid vehicle, a colorant, and an ionic compound at least partially ionizable in the liquid vehicle, said ink composition having a conductivity of at least about...     
Disclosed is a thermal ink jet printing process which comprises incorporating into a thermal ink jet printing apparatus an ink composition comprising a colorant and a liquid vehicle which comprises a mixture of water and an organic component selected from the group consisting of: (1) cyclic amides; and...     
5261953 Inks Nov-16-1993
Inks, in particular for ink-jet printing, containing, as stabilizer, a water-soluble compound of the formula ##STR1## in which R.sub.1 to R.sub.7 are as defined in claim 1, and recording materials containing these compounds.
An aqueous permanent coloring composition includes a pigment, an alkali soluble acrylic resin, a suspending agent, and a volatile pH regulant. The composition optionally includes a drying agent, an adhesion promoter, a color developer and/or a preservative. The composition is useful as a permanent ink...     
A coloring pigment useful for coloring or tinting inks, paints, plastics and rubber comprises the reaction product of a cationic organic dye and a hectorite mineral, the hectorite mineral having a small average particle size and a high cation exchange capacity. The pigment has excellent color strength...     
5421868 Ink composition Jun-6-1995
The present invention relates to an ink composition for ink jet printers comprising an amorphous bis amide, a colorant and a solvent.
5431722 Ink for inkjet printing Jul-11-1995
An ink for inkjet printers comprises water, a water-soluble organic solvent, and a colorant. The ink further comprises an amine having at least one substituent selected from the group consisting of a sulfonic acid group, a carboxylic acid group and a halogen atom, so that the variation in pH of the ink...     
5464851 Biocide composition and use Nov-7-1995
A composition which contains a 2-halo-2-halomethyl glutaronitrile and a 4,5-polymethylene-4-isothiazolin-3-one. The compositions exhibit anti-microbial activity and certain combinations of isothiazolinones together with the glutaronitrile are surprisingly effective against both bacteria and fungi.
5478381 Ink composition Dec-26-1995
An ink composition containing an infrared ray-emitting fluorescent substance, at least one dispersant selected from the group consisting of alkylamines and phosphate salts, and a binder resin, which is excellent in light-emitting characteristics.
5482548 Pigment compositions Jan-9-1996
The present invention provides a pigment composition comprising a diarylide pigment, a monoprimary amine, a diprimary amine and an inorganic compound having active oxide or hydroxide surfaces.
5494511 Dispersion Feb-27-1996
A dispersion of a finely divided pigment in a composition of water, one or more water-compatible resins and, as dispersant, a polycyclic aromatic compound having a water-solubilising poly(C.sub.2-4 -alkyleneoxy) chain containing from 3 to 50 alkyleneoxy groups, characterised in that the dispersion contains...     
5494512 Aluminum pigments Feb-27-1996
Disclosed herein is an aluminium pigment comprising aluminium flakes, the surface of each aluminium flake being coated with a film of molybdic acid in an amount of 0.1 to 10% by weight in terms of Mo based on aluminium, which is further coated with a phosphoric film derived from a phosphoric compound...     
5542969 Recording liquid Aug-6-1996
A recording liquid containing carbon black dispersed in an aqueous medium, wherein the volume ratio of carbon black having a particle size of at least 0.2 .mu.m to the total carbon black is at least 50% by volume, and the volume ratio of carbon black having a particle size of at least 0.6 .mu.m to the...     
5554217 Stir-in organic pigments Sep-10-1996
Disclosed is a process for coloring high-molecular-weight coatings and ink systems which comprises uniformly dispersing an effective pigmenting amount of a stir-in pigment in the coating or ink system; wherein the stir-in pigment is an organic pigment crude consisting essentially of non-platelet-shaped...     
Aqueous dispersions which are particularly well suited for use as aqueous jet ink compositions having an aqueous carrier medium which comprises water or a mixture of water and at least one organic solvent, a particulate solid, preferably a pigment, and a cyclopolymer dispersant.
5594045 Correction fluids Jan-14-1997
Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium compound to prevent bleed of inks.
5609670 Emulsion ink for stencil printing Mar-11-1997
An emulsion ink for a stencil printing is disclosed which has a water phase in an oil phase and preferably contains a water-insoluble colorant dispersed in the water phase with a tertiary amine compound.
The present invention provides a water-in-oil emulsion ink comprising an oil phase and a water phase, the oil phase comprising an encapsulated colorant, an oil phase oil, a surface active agent, and a film-forming component, and the water phase comprising water. The present invention also provides an...     
A method of transferring a pigmented image, comprising the steps of: providing a donor element bearing an inkjet printed image containing one or more heat transferable pigments selected from the group consisting of A. 2-(N-methylcarbamyl)-4-(4-N,N-di-ethylamino-phenylimino)-1,4-naphthoquinon e; B. 2-(N-methylcarbamyl)-4-(4-N,N-di-ethylamino-2-methylphenylimino)-1,4-napht...     
5702512 Oil ink composition Dec-30-1997
Oil ink composition of the present invention having titanium dioxide as pigment, resin and organic solvent contains a compound (A) which has at least one amide group (--CONH--) or amino group (--N<) and a compound (B) selected from phosphoric acid and phosphate compound. The oil ink composition is...     
5711800 Organic pigment compositions Jan-27-1998
This invention relates to pigment compositions comprising an organic pigment treated with about 0.1 to about 20% by weight, based on the organic pigment, of an N-heteroarylamidomethyl pigment derivative having the formula (I) ##STR1## wherein, Q represents an organic pigment moiety, NHet represents a...     
5718754 Pigment compositions Feb-17-1998
The invention provides a pigment composition comprising a pigment having adsorbed on its surface, or as a physical mixture, up to 10% by weight, based on the total weight of pigment composition of a coding compound which is a compound containing an azo, azomethine or polycyclic chromophore and which...     
A leach resistant ink composition including a diphenyl guanidine compound, an acid, and a resin. The ink composition may further include a glycol and an alcohol and can be printed on paper, such as, for example, in the word "VOID". If bleach is used to attempt to alter the document, the initially colorless...     
A water-based offset lithographic printing ink comprising 10-70 wt. % macromolecular binders comprising macromolecular binders soluble in water regardless of the pH; macromolecular rosin salt binders soluble in water at a pH ranging from 7.5 to 10; and macromolecular binders comprised of aqueous emulsions;...     
5728206 Surface-treated organic pigments Mar-17-1998
This invention relates to a process for preparing pigment compositions comprising (a) treating an organic pigment with (1) about 0.1 to about 100% by weight, relative to the organic pigment, of a tertiary alkyl primary amine having the formula (I) ##STR1## wherein R.sup.1 is a C.sub.5 -C.sub.30 (cyclo)aliphatic...     
A water-in-oil (W/O) emulsion ink for stencil printing is provided, which contains a water-insoluble colorant in the water phase, has the water phase dispersed finely and stably in the oil phase, and can provide prints high in printing density and glossiness. The water-insoluble colorant has an average...     
5779783 Composition for printing inks Jul-14-1998
A composition used for an ingredient of printing ink, which comprises an organic pigment and a pigment derivative represented by the formula (I) in the acid form: ##STR1## wherein D represents a residue of an organic pigment other than azo, R.sub.1 represents a hydrogen atom or an unsaturated aliphatic,...     
5782963 Colorant stabilizers Jul-21-1998
The present invention comprises colorant stabilizers and a colorant composition which includes a colorant and a colorant stabilizer. The colorant stabilizer imparts light-stability to the colorant so that the colorant does not fade when exposed to electromagnetic radiation such as sunlight or artificial...     
Disclosed is an ink composition which comprises an aqueous liquid vehicle, a pigment, and a vesicle-forming lipid, wherein vesicles of the lipid are present in the ink.
An ink composition comprised of a colorant and a vehicle component, and which vehicle component is comprised of the condensation product of an organic acid and an amino alcohol.
5846307 Aqueous pigment ink composition Dec-8-1998
Disclosed is an aqueous pigment ink composition comprising water and oxidized carbon black dispersed stably in the water, wherein said oxidized carbon black is obtained by oxidizing carbon black using hypohalous acid and/or salt thereof and wherein at least a part of an acidic group existing on the surface...     
5853464 Pigment compositions Dec-29-1998
The present invention provides an ink which contains a SERS--active metal aggregate containing a Raman active compound.
5855657 Inkjet ink Jan-5-1999
An inkjet ink results in improved color-fastness if the ink contains a water-soluble inorganic thiosulphate, trithionate or tetrathionate or an organic thiosulphate, in an amount of 0.2 to 8% by weight with respect to the ink base.
5863319 Thermally stable hot melt ink Jan-26-1999
A thermally stable ink for use in ink jet printing contains an ester amide resin, a tackifying resin, and a colorant.
5863320 Ink compositions Jan-26-1999
An ink containing a liquid vehicle, colorant, and a perfluorosurfactant.
This invention relates to quinacridone pigments of formula (I) ##STR1## wherein X is O, S, or NR; R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.7 cycloalkyl, or C.sub.7 -C.sub.16 aralkyl; Y is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, or halogen; the dashed line represents an optional...     
5885337 Colorant stabilizers Mar-23-1999
The present invention comprises colorant stabilizers and a colorant composition which includes a colorant and a colorant stabilizer. The colorant stabilizer imparts light-stability to the colorant so that the colorant does not fade when exposed to electromagnetic radiation such as sunlight or artificial...     
5897695 Ink compositions Apr-27-1999
An ink composition comprised of a vehicle, colorant, and associated with said colorant a primary amine, a secondary amine, or a tertiary amine.
This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200.degree. C., with (1) at least about 0.1% by weight, relative to the organic pigment, of one or more surfactants of formula (I) and/or formula (II) ##STR1## and/or ##STR2##...     
An ink composition comprised of (1) a liquid alcohol vehicle, (2) a solid alcohol compound, (3) a quaternary compound, (4) a lightfastness UV absorber, (5) a lightfastness antioxidant, and (6) a colorant.
This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200.degree. C., with (1) at least about 0.1% by weight, relative to the organic pigment, of one or more surfactants of formula (I) ##STR1## wherein R.sup.1 is a C.sub.8 -C.sub.30...     
5925176 Salt-based ink compositions Jul-20-1999
Ink compositions are described comprising a combination of an ammonium carboxylate salt or salts and one or more surfactants, preferably non-ionic ethoxylated surfactants, hydroxylated or alkoxylated acetylenic polyethylene oxide surfactants, or anionic phosphate esters. The ink compositions substantially...     
5938827 Ink compositions Aug-17-1999
An ink composition containing a mixture of two black colorants, a vehicle, betaine, and N,N'-bis(3-aminopropyl)ethylenediamine.
5951749 Water-based pigmented inks Sep-14-1999
Water-based pigmented inks are disclosed. Such inks are formed from water-based dispersions of pigment particles having novel dispersants therein. The dispersions are formed from the reaction product of an amino acid compound with a nitrogen reactive compound with subsequent hydrolysis providing the...     
5972088 Water-based gravure printing ink Oct-26-1999
A single fluid water-based gravure printing ink comprising water; a macromolecular resin binder comprised of resins soluble in water regardless of the pH of the water; resins water soluble at water pH value ranging from 7.5 to 10; and aqueous emulsion resins; pigment; and a hydroxyethyl ethylene urea...     
5973026 Ink jet inks Oct-26-1999
An aqueous ink composition containing polymer, colorant, and zwitterionic component.
5976231 Inks for ink jet printing Nov-2-1999
Disclosed is an ink composition which comprises water, an anionic dye, and a monoquaternary cationic penetrant of the formula ##STR1## wherein R.sub.1 is either a benzyl group or an alkyl group having at least about 3 carbon atoms, R.sub.2, R.sub.3, and R.sub.4 each, independently of the others, are...     
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