Peroxides or oxygen

Use of sodium citrate in conjunction with peroxygen compounds and activators therefor.

A process for uniformly and thoroughly bleaching textile material having contaminate in the fibers comprising: 1. IMPREGNATING THE CONTAMINATED TEXTILE MATERIAL WITH A SOLUTION OF A SURFACE-ACTIVE AGENT IN A HYDROCARBON OR HALOGENATED HYDROCARBON SOLVENT AND STEAMING THE IMPREGNATED TEXTILE MATERIAL...     

Inorganic per-compounds-containing oxidizing, bleaching and washing compositions having a content of acylated oxamides as activators for the inorganic per-compounds. Said activators permit better utilization of the active oxygen while securing good stability to storage.

A stain removing composition containing diperisophthalic acid and a nonionic detergent:

A bleaching composition and method utilizing a percompound, an acyl-alkyl ester, and an ester-hydrolyzing enzyme, the ester and the enzyme being adapted to react to form an activator for the percompound.

Sodium percarbonate is stabilized by mixing therein sodium perborate and a hydrophobic liquid organic compound.

An activated peroxy compound bleaching composition includes a peroxy bleaching compound, such as sodium perborate or sodium percarbonate and a mixture of activators for such bleaching compound, which improves the bleaching effect thereof, at least one of which is a di-lower alkanoyl di-lower alkyl glyoxime,...     

Diisocyanate halotriazine compounds of the formula: ##SPC1## Wherein X is a halogen atom are bleach activators which have high bleaching activity at low temperatures in peroxygen salt bleach compositions and do not appreciably change the shade of cotton dyed with many classes of dyes, particularly Vat...     

Aroyl-N-hydroxyformimidoyl halides of the formula: ##EQU1## wherein Ar represents a substituted or unsubstituted aryl radical and X is halogen, are bleach activators of high strength and good activity at low temperatures in peroxygen salt bleach compositions and do not change the shade of cotton dyed...     

Articles releasably containing starch-thickened peroxygen bleaches are provided.

Concentrated aqueous/alkaline peroxide bleach liquor containing (a) silicate and (b) peroxide stabilizers having a content of alkaline earth metal are stabilized against precipitation of alkaline earth silicates.

Low pH, non-starch gels containing particulate peroxygen compounds, especially diperazelaic acid, provide safe, effective and stable fabric bleaching compositions for use at alkaline pH's, e.g., in laundry baths.

There is disclosed a method for the preparation of an oxidant-containing solid which is useful as an antiseptic agent, bleaching agent, oxidizing agent, etc. The solid, which can be prepared in a varied degree of water solubility, is prepared by reacting, in aqueous solution an alkali metal silicate...     

In a process for removing stains from fabrics by washing in an aqueous medium containing a peroxygen compound and an acylamide activator, extremely small amounts of the activator, e.g., about 5 to 50 ppm., are effective if the medium contains about 100 to 300 ppm of trisodium nitrilotriacetate or ethylene...     

Compositions and processes useful for inhibiting the transfer to fabric articles of solubilized or suspended dyes found in fabric laundering solutions. Such dyes are oxidized by a composition comprising a peroxygen compound, certain aldehydes and ketones, a zwitterionic surfactant and a buffer compound.

Compositions and processes useful for inhibiting the transfer to fabric articles of solubilized or suspended dyes found in fabric laundering solutions. Such dyes are oxidized by a composition comprising a peroxygen compound, certain aldehydes and ketones, a polyvinyl compound and a buffer compound.

Textile fabric stain removal is significantly improved by including in conventional dry cleaning solvent baths, a preformed or in situ generated peracid.

Improved dry cleaning formulation containing a dry cleaning solvent, water, inorganic polyphosphate salt, hydrogen peroxide and a suitable detergent surfactant having a pH value of from 5 to 9, which minimizes equipment corrosion and maintains fabric strength while effectively removing hydrophilic stains.

A stable bleaching composition containing, as essential ingredients, an inorganic peroxide, an activating agent for said inorganic peroxide and potassium carbonate.

Non-starch thickened peroxygen bleaches, and articles releasably containing same, especially adapted for use in an automatic dryer are provided.

Starch-thickened compositions containing particulate peroxygen compounds, especially diperazelaic acid, provide stable, effective compositions especially adapted for use as color-safe fabric bleaches at alkaline pH's, e.g., in laundry baths.

Detergent compositions containing particular species of sulfonated zinc phthalocyanine were found to be unexpectedly effective bleach photoactivators for removing stains from textiles. These species are principally tri- and tetra-sulfonates, especially the latter, with minor amounts of di-sulfonates...     

A non-yellowing fabric softening composition having improved whitening properties comprising a cationic softener, preferably a quaternary ammonium softener, and a perphthalic acid in the weight ratio of 4:1 to 1:1 of cationic:perphthalic acid.

A stable bleaching detergent composition comprising an inorganic peroxide and a compound having the formula: ##STR1## wherein R.sub.1 is hydrogen or alkyl having 1 to 3 carbon atoms, ##STR2## is a radical of an unsaturated 5 member or 6 member heterocyclic ring system containing only nitrogen and carbon...     

An activated percompound bleaching composition comprises a bleaching percompound, such as sodium perborate tetrahydrate, an activator for such percompound, such as 2-[bis(2-hydroxyethyl)amino]-4,6-dichloro-s-triazine and a molecular sieve zeolite, such as hydrated type 4A synthetic molecular sieve zeolite....     

A process for scouring, desizing and bleaching cotton greige goods comprises the steps of immersing the goods for a time sufficient to achieve commercial brightness in an aqueous solution have a temperature in the range from 100.degree. to 212.degree. F and consisting of from 0.3 to 70% by volume hydrogen...     

An unbuilt liquid detergent composition containing sulfonated zinc phthalocyanine as a bleach photoactivator is provided for removing stains from textiles. A process for removing stains from textiles by treating the textiles with an aqueous solution of the unbuilt detergent compositions of this invention...     

The present invention provides a process for producing diphthaloyl peroxide comprising the steps of reacting particulate phthalic anhydride with aqueous hydrogen peroxide in a mobile slurry or paste and thereafter separating diphthaloyl peroxide from the aqueous phase. Preferably the minimum volume of...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator a sulfonic anhydride of the formula: R.sub.1 SO.sub.2 OSO.sub.2 R.sub.2 wherein each of R.sub.1 and R.sub.2 is selected from the class consisting of an alkyl radical...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an N-sulfonylimidazole of the formula: ##STR1## wherein R.sub.2, R.sub.3 and R.sub.4 are each selected from the class consisting of hydrogen, halogen, alkoxy of...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator a disulfone of the formula RSO.sub.2 SO.sub.2 R.sub.1 wherein R and R.sub.1, which may be alike or different, are each selected from the class consisting of an...     

A coated peroxygen compound having improved storage stability, said peroxygen being coated with about 0.1 to about 3.0 weight percent of a polyethylene glycol product having an average molecular weight greater than about 200.

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an organophosphorus azide of the formulae: RR.sub.1 P(O)N.sub.3 and ROR.sub.1 OP (O)N.sub.3 wherein R and R.sub.1 are each selected from the class consisting of...     

Novel percompound activators having the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are the same or different and are hydrogen or certain substituted or unsubstituted straight or branched chain alkyl radicals, cycloalkyl radicals, or hydrocarbon radicals containing...     

The present invention provides bleaching or detergent compositions containing phthaloyl peroxide, preferably desensitized by intimate contact with a diluent e.g. magnesium sulphate, lauric acid or sodium trypolyphosphate, and coated to reduce destructive interaction with other components of the detergent...     

A stable aqueous peroxy-containing concentrate containing by weight of the concentrate 1 to 60 percent of perglutaric acid; 1 to 50 percent of hydrogen peroxide; 0.01 to 2 percent of a stabilizing agent for the perglutaric acid and hydrogen peroxide; and the remainder to 100 percent water.

Contacting damp fabrics with a dry, activated bleaching composition in an automatic dryer results in improved bleaching and stain removal over dry bleaching compositions employed in an aqueous laundering bath.

A particulate peroxygen compound having improved storage stability against loss of its active oxygen, the peroxygen compound being coated with 0.1 to 3.0 weight percent of an ethylene oxide-derivative stabilizing material.

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an oxybis(diacyloxyborane) of the formula: ##STR1## wherein the acyloxy is derived from a carboxylic acid selected from the class consisting of saturated aliphatic...     

Phosphorus-containing activators for percompounds, the activators being tris(acetoxymethyl) phosphine oxide and its precursors including tris(acetoxymethyl) phosphine and tetrakis(acetoxymethyl) phosphonium compounds, together with the use of such activators with percompounds for oxidizing or bleaching...     

The invention provides bleaching and detergent compositions containing a diacyl peroxide of general formula ROOR.sup.1 in which R represents a phthaloyl radical and R.sup.1 a radical such that ROOR.sup.1, ROOR and R.sup.1 OOR.sup.1 are all soluble in mildly alkaline aqueous solutions. The compositions,...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an acylphosphonate. Also described are dry blend compositions containing the bleach bath components.

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator a sulfonyl oxime. Also described are dry blend compositions containing the bleach bath components.

A process for bleaching textiles which comprises treating stained textiles in an aqueous bath containing at least one water-soluble aluminium phthalocyanine, under irradiation with light and in the presence of oxygen, while either irradiating the bleaching bath direct or subsequently irradiating the...     

N-benzoyl 2-methyl-imidazole as an activator for peroxygen compounds for bleaching.

A process of removing soil and/or stains from fabrics by immersing the fabrics in peroxygen bleach bath containing as a peroxygen activator a sulfonic anhydride of the formula: R.sub.1 SO.sub.2 OSO.sub.2 R.sub.2 wherein each of R.sub.1 and R.sub.2 is selected from the class consisting of an alkyl radical...     

Dry, granular, bleaching compositions comprising an effective amount of diperoxydodecanedioic acid and sufficient buffering agent to control the pH of the aqueous solution in which the bleach is used in the range of 8.7 to 9.5. The peroxyacid and the buffering agent being present as separate granules...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator, an anhydride of a carboxylic acid with a sulfonic acid selected from the formulae consisting of R.sub.1 --(SO.sub.2 OC(O)--R.sub.2).sub.n and (R.sub.1 --SO.sub.2...     

There is provided a composition for the frosting of hair comprised of an intimate mixture of particulate persulfate salts and alkaline silicates dispersed in an anhydrous organic carrier, the anhydrous organic carrier being sufficiently hydrophobic to retard absorption of atmospheric moisture and provided...     

Organic peroxide compositions suitable for free radical polymerization, the compositions comprising a mixture of a shock-sensitive peroxide and a diluent, the diluent being a monomeric material containing olefinic unsaturation which does not readily homopolymerize.

This invention relates to detergent compositions which contain an amount of a water-soluble titanium or zirconium peroxo compound which in the composition provides a building and/or bleaching effect.

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an N-acyl-cyano cyclic amine selected from the class consisting of ##STR1## wherein R is a hydrocarbon radical selected from the group consisting of aliphatic...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator a carbodiimide of the formula: R.sub.1 --(X).sub.n-1 --N.dbd.C.dbd.N--(X').sub.n-1 --R.sub.2 wherein R.sub.1 and R.sub.2 each represent alkyl of 1 to 16 carbon...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator a N-sulfonylazole of the formula ##STR1## where Z represents the number of carbon and nitrogen atoms necessary to complete a heterocyclic ring selected from the...     

A bleaching detergent composition comprises (i) a water-insoluble aluminosilicate having a degree of crystallization of 0 to 75% or a water-insoluble aluminosilicate having exchangeable cations partially substituted by calcium and/or magnesium ions, (ii) a surface active agent and (iii) sodium percarbonate....     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an imidoyl compound of the formula ##STR1## wherein R.sub.1 is an organic radical selected from the group consisting of hydrogen; an aliphatic radical of 1 to...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an organophosphorus chlorine compound selected from the class consisting of R.sub.1 OR.sub.2 OP(O)Cl, R.sub.1 R.sub.2 OP(O)Cl and R.sub.1 R.sub.2 P(O)Cl, wherein...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an heterocyclic sulfonate ester wherein the heterocyclic moiety includes a 5 to 6 membered heterocyclic ring containing 1 to 3 hetero atoms selected from the class...     

Granular peroxygen bleaching and laundering compositions containing a percarbonate as a source of available oxygen are stabilized by the addition of from 0.1 to 2.0 percent of a particulate siliceous matter such as amorphous silica. To prevent caking and promote flowability of the compositions, from...     

A slurry of cellulosic fiber and water having a consistency in the range of 0.017-4.9% of the total ungassed weight of fiber and water is bleached with ozone. This is done without the usual addition of organic additives. The water can include impurities created by the bleaching process. Rapid reaction...     

A process of bleaching cotton fabrics, especially in relation with household laundry, is provided by adsorbing on the fabric sulfonated zinc phthalocyanine photoactivator followed by rinsing and drying of the fabrics in the presence of visible light and oxygen.

The present invention provides aromatic peroxyacids containing at least two peroxyacid groups and a total of at least three peroxyacid or carboxy acid groups, which can be incorporated in detergent or bleaching compositions. The aromatic peroxyacids can be desensitized by intimate contact with a diluent...     

A two-component composition for bleaching hair comprising a peroxide oxidation agent, an ammonia-free alkalinization agent and a guanidine derivative of the formula ##STR1## as bleaching accelerator, wherein R is hydrogen, ##STR2## Y is hydrogen, NH.sub.2, or akyl having 1 to 4 carbon atoms, and n is...     

A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator a N-sulfonylazole of the formula ##STR1## where Z represents the number of carbon and nitrogen atoms necessary to complete a heterocyclic ring selected from the...     

A stabilized liquid hydrogen peroxide bleach composition suitable for household use which comprises from 2-12% by weight hydrogen peroxide, 0-20% by weight of an acid selected from an organic acid, phosphoric acid, boric acid or mixtures thereof, 0.1-7.5% by weight of a nitrogen-containing compound,...     

In aqueous peroxide-containing solutions used in bleaching of cellulose fiber, peroxide stability is very greatly increased by inclusion of alkali metal polyphosphate and alkali metal diethylene triamine penta(methylene phosphonate). Especially useful for addition of such stabilizers to the peroxide-containing...     

Detergency boosters comprise certain nonionic surfactants. When used at particular concentrations in conjunction with commercial laundry detergents in laundering liquors of about 70.degree. C., and higher, followed by rinsing at about 66.degree. C., or lower, the boosters herein provide improved fabric...     

A personal washing tablet based on tallow soap wherein the lather properties are surprisingly improved by inclusion of up to 40% by weight of active detergent of a defined sulphate/sulphomate synthetic detergent having not more than 10 carbon atoms in a linear chain.

A bleaching composition comprising (A) sodium percarbonate and/or tetrasodium ethane-1,1,2,2-tetracarboxylate/hydrogen peroxide adduct, and (B) dicarboxyalkyleneimino, monocarboxyalkyleneiminobis(alkylene phosphonic acid), hydroxyethylimino diacetate and/or hydroxyethylethylenediamine triacetate compounds....     

Particulate bleach (and detergent) compositions with improved bleach efficiency are disclosed comprising a particulate peroxybleach compound and tetraacetyl ethylene diamine (TAED), said TAED having the following particle size distribution as determined by sieve analysis: 0-20%>150 .mu.m 10-100%>100...     

In aqueous peroxide-containing solutions used in bleaching of cellulose fiber, peroxide stability is very greatly increased by inclusion of alkali metal polyphosphate and alkali metal diethylene triamine penta(methylene phosphonate). Especially useful for addition of such stabilizers to the peroxide-containing...     

Described is a method of bleaching textile fabrics with potassium based bleaching liquors: One liquor is an aqueous solution of commercially available potassium orthosilicate, water and hydrogen peroxide and the other is an aqueous solution of water, hydrogen peroxide, and the reaction products of sodium...     

A low temperature bleach system comprises an organic peracid and bromide ions in the absence of aldehydes and ketones. The bromide ions may be supplied from sodium bromide and typical peracids include diperisophthalic acid and monoperoxyphthalic acid. The peracid to bromide equivalent ration between...     

A process for the whitening of phosphogypsum comprising treating a phosphogypsum in aqueous suspension with an amount of ozone equal to at least 150 parts by weight per million parts by weight of phosphogypsum calculated as Ca SO.sub.4.2H.sub.2 O, the pH of the aqueous suspension being lower than or...     

The present invention relates to the provision in solid form of the magnesium salt of certain aromatic, cycloaliphatic or conjugated aliphatic compounds containing a peroxycarboxylic acid group and a carboxylate group, and optionally also an alkyl, carboxylate, sulphonate, nitro, chloro or bromo group,...     

This invention relates to bleaching compositions that provide effective and efficient surface bleaching of textiles over a wide range of bleach solution temperatures. Surface bleaching of textiles is bleaching wherein the bleaching mechanism takes place on the textile surface and, thereby, removes stains...     

A liquid bleach composition comprises a hydrogen peroxide precursor which includes as an enzyme an alcohol oxidase and as a substrate for the enzyme the corresponding alcohol, the enzyme and the substrate being incapable of substantial interaction in the composition. The composition contains less than...     

An improved granular bleaching detergent composition is provided comprising (a) a bleaching agent comprising a peroxygen compound in combination with an activator therefor; and (b) at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic...     

An improved granular bleaching detergent composition is provided comprising (a) a bleaching agent comprising a peroxyacid compound and/or a water-soluble salt thereof; and (b) at least one surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic...     

The present invention relates to aqueous alkaline bleach compositions containing hydrogen peroxide. Under alkaline conditions, it is particularly difficult to prevent the hydrogen peroxide decomposing excessively rapidly during storage, but the addition of an alkaline additive minimizes any change in...     

Surface active peroxyacid bleaches (e.g., perlauric acid) are protected against decomposition caused by presence of magnesium ions in aqueous solutions of said bleaches, by the presence of certain aminophosphonic acid and aminocarboxylic acid chelating agents.

Increased energy costs have stimulated a demand for peroxygen compounds that are effective at ambient to hand-hot temperatures, but peroxyacids and acyl peroxides tend to suffer from one or more of poor thermal stability, or sensitivity to impact, thereby rendering their manufacture or storage hazardous,...     

Desirable color of glycosides are obtained through bleaching and stabilization with a source of sulfur dioxide.

Activated detergent bleach composition comprising a peroxide compound bleach, a manganese catalyst and a detergency builder composition comprising: (i) a mixture of water-soluble, non-phosphorus organic sequestering builder and an alkaline buffer in a weight ratio of organic sequestering builder to alkaline...     

The bleaching performance of hydrogen peroxide or persalts developing it in situ is markedly lower at lower washing temperatures from ambient to 60.degree. C. than at hot washing temperatures of around 90.degree. C. or above. The present invention relates to compositions and processes employing a minor...     

Novel phthalocyanine compounds are described, which have the formula ##STR1## in which MePc is the Si(IV)-, P(V)-, Ti(IV)-, Ge(IV)-, Cr(IV)-, Ga(III)-, Zr(IV)-, In(III)-, Sn(IV)- or Hf(IV)- phthalocyanine or -naphthalocyanine ring system, A is an anionic, nonionic or cationic group which imparts solubility...     

This invention provides stable peroxyacid bleaching compositions comprising: (a) a surface active peroxyacid, and (b) at least one surfactant which forms a mixed micelle in aqueous solution with said peroxyacid; wherein said aqueous solution contains a detergent concentration of about 0.1 to 3.0 grams/liter....     

Granular detergent compositions with through-the-wash fabric softening properties are prepared from conventional detergent ingredients, clay fabric softeners, and microfine particles of a complex of long-chain amine and fatty acid. The amine fatty acid complex provides fabric softening performance in...     

The invention involves a process for bleaching domestic laundry in a domestic washing cycle, comprising prewashing the laundry in an alkaline bath with pH between 9 and 13 and at a temperature between about 40.degree. C. to 70.degree. C. in the presence of at least one peroxide bleaching agent and an...     

A method for bleaching cotton substrates comprises the steps of: (a) immersing an unbleached cotton substrate in an aqueous hydrogen peroxide solution at pH 4.5-11 at 15.degree.-90.degree. C. to saturate the cotton substrate with hydrogen peroxide solution; (b) removing the thus-saturated cotton substrate...     

This invention relates to a novel stabilized aqueous hydrogen peroxide solution which comprises hydrogen peroxide in admixture with an aromatic polysulfonic acid, or a salt thereof.

There are disclosed novel, highly stable sulfone peroxycarboxylic acids useful in detergent compositions alone or as bleaching agents which are represented by the formula ##STR1## wherein A and B are organic moieties bonded to the sulfur atom by a carbon atom and at least one of A and B containing at...     

The invention provides novel bleaching compositions comprising peracid precursors with the general structure ##STR1## with R, R', R" and L as defined in the specification. Novel peracids and precursors are also herein disclosed. These peracid precursors provide new, proficient and cost-effective compounds...     

It is desired to enhance the ability of hydrogen peroxide and persalts at wash temperatures of around 30.degree. to 70.degree. C., in order to use less energy and to minimize damage to various fabric finishes. It has been proposed in the past to use transition metal compounds, including cobaltous compounds...     

There are disclosed novel, highly stable sulfone peroxycarboxylic acids useful in detergent compositions alone or as bleaching agents which are represented by the formula ##STR1## wherein A and B are organic moieties bonded to the sulfur atom by a carbon atom and at least one of A and B containing at...     

The invention relates to phosphoric acid partial esters derived from a block ethoxylated and propoxylated C.sub.9-16 aliphatic alcohol. These phosphoric acid partial esters are useful as wetting agents, especially in the pre-treatment of cellulosic textile materials.

Novel peroxyacids of the formula: ##STR1## wherein X is an alkylene group selected from propylene and butylene, R is alkyl containing from 4 to 12 carbon atoms, benzyl or phenyl and m is 1 or 2. The compounds are useful as disinfectants and fabric bleaches.

A method for conditioning fabrics comprises tumble-drying fabrics with a composition comprising a fabric conditioner, such as a cationic fabric softener, and a compound containing a transition metal ion, such as cobalt (II) and manganese (II) ions. The transition metal ion is capable of catalyzing bleaching...     

The invention teaches the treatment of a porous substrate such as a textile material by treating the substrate with a foam, the substrate prior to treatment having a moisture content of up to 130% of the transit water content, forcing the foam into the porous substrate to enable foam transit through...     

An oxygen bleach composition which includes a peroxy bleach component selected from the group consisting of perborates, persulfates, persilicates, perphosphates, and percarbonates, and an organic oxygen bleach activator component capable of reacting with the peroxy bleach component to produce an active...