Miscellaneous

A photoreceptor cleaning composition is provided which includes a solvent blend that is capable of dissolving toner polymers and paper tars. This composition cleans effectively and efficiently without damage to the photoreceptor and without leaving residue. This solvent employs a blend of halogenated...     

Process for removing residual solvent from materials containing the same which involves extracting the material with liquid CO.sub.2, separating the phases, and evaporating CO.sub.2 from the treated material. For example, residual hexane can be removed from de-fatted soybeans by this procedure.

A pipe cleaning composition containing hydrochloric acid, furfural, dialkylthiourea, benzyl thiocyanate and water has a reduced tendency to attack steel or copper pipe.

An aqueous solution for alkaline stripping of metallic surfaces having a resist coating on at least a portion of the surface thereof, the resist coating normally being based upon polyvinyl chloride, such as polyvinyl chloride contained in a base emulsion for a photo resist material. The alkaline stripper...     

A process for removing a photoresist stripper from a substrate comprising rinsing the substrate with a composition comprising from about 65 to about 98.5 weight percent methylene chloride and from about 1.5 to about 35 weight percent of an alcohol selected from the group consisting of isopropanol, tertiary...     

The invention relates to a surface adherent abrasive liquid cleaner which is especially useful for removing hard water, iron and organic stains as might be found in toilet bowls. The cleaner includes a mineral acid such as hydrogen chloride to aid in dissolving the stains. An abrasive is suspended in...     

A phosphosilicate coating is removed from a metallic substrate by contacting the coating with an aqueous solution containing an alkali metal fluoride. The solution is maintained in contact with the coating for a time sufficient to remove the coating without harming the substrate.

An improved contact lens treating composition is provided through the incorporation of an amphoteric surfactant as a detergent. The amphoteric surfactant provides good cleaning properties with no eye irritation and is stable in the presence of positively-charged bacteriocides in the composition.

A lavatory cleansing block comprises a solid carrier base which is a mixture of two or more non-ionic surface active agents, one of which is relatively insoluble in water and the other of which is relatively soluble in water and preferably also contains one or more of (i) perfuming agents, (ii) coloring...     

A composition for cleaning contact lenses is provided. The composition comprises a poly(oxyethylene)-poly(oxypropylene) block copolymer having a molecular weight between about 1900 and 15,500, a water solubility in excess of about 10 gms per 100 ml, a cloud point in 1% aqueous solutions above about 30.degree....     

This composition includes 50 to 85% by weight water, 10 to 25% relatively non-volatile inert organic solvent, 0.1 to 5% of a medium foamer detergent and 5 to 15% of a N-alkyl-2-pyrrolidone lubricant.

A non-caustic drain cleaner which acts by generating heat at the site of the clogging comprising a mixture of peroxygen oxidizing agent and a water-soluble reducing agent and to a method of restoring normal flow to clogged drains.

Silicone and/or hydrophilic soft contact lenses are freed of proteinaceous and other deposits by rubbing them with a buffered, aqueous solution of a crystalline sodium silicate, and rinsing. Heavy encrustations or deposits remaining after the above treatment may be removed from the lenses by heating...     

A denture cleaner is provided which is non-abrasive and is highly effective for quickly and easily removing stains and tartar deposits from dentures embodying plastic or porcelain teeth and other materials used in dentures. The cleaner is effective for cleaning both full and removable partial dentures,...     

This relates to a method and solution for removing exposed photopolymer film resist from a substrate. The substrate having the photoresist thereon is contacted with a solution consisting essentially of acid selected from the group consisting of the first three carboxylic acids and their halogenated derivatives,...     

Synergistic microbicidal compositions consisting of a halogenated o-hydroxydiphenyl ether and an anionic surfactant in a mixture ratio of 1:2 to 1:30 and optionally a solvent as well as a method of controlling microorganisms an organic and inorganic materials by treating said materials with the above...     

A drain opener composition and process comprising the application of an aqueous solution of a soluble metallic hydroxide, a chlorine releasing salt, and a catalyst to the clogged drain for fast opening of said drain.

Method and compositions are provided for the effective cleaning of soft and silicone contact lenses by soaking the lenses for a time sufficient to remove adherent residues in a solution containing an epoxy modified silicone surfactant and a fatty acid amide (or nitrogen analog thereof) surfactant, which...     

Silicone and/or hydrophilic soft contact lenses are freed of proteinaceous and other deposits by rubbing them with an aqueous solution of a crystalline sodium silicate having a pH of 10.2 - 10.9 and rinsing. The solution may contain in addition sodium chloride in isotonic amount, viscosity agents, wetting...     

Carboxylate cement is removed from dental products by use of a solution containing an organic acid having a COOH radical. A preferred organic acid is citric acid.

The invention disclosed provides a new improved slurry detergent and to a method of using same. The slurry detergent may be formulated with alkali metal hydroxides and/or silicates, condensed phosphates, sodium hypochlorite and sodium polyacrylate, or the like. The new improved slurry is found to have...     

A fungicidal detergent concentrate contains a water soluble organic carboxylic acid, a zinc salt, e.g. zinc sulfate, a modified phthalic glycerol alkyd resin wetting agent-dispersant and conventional cleaning additives that function as degreasants, penetrants, surfactants, and the like. Optionally, the...     

For the smooth production of filaments from polyesters it is very important to use accurately cleaned polymers and also accurately cleaned spinnerets. For removing remainders of polyesters from the spinneret a mixture consisting of at least 70 percent by weight of tri-, tetra-, penta- and hexaethyleneglycol...     

A method for removing a reflective decal from a vehicle's body surface, especially a baked enamel surface as would be found on a truck or an automobile. The method includes the steps of contacting the decal, for a period of time sufficient to loosen the decal from the surface, with a composition consisting...     

The present invention provides a process for the treatment of wood material impregnated with an aqueous ammoniacal solution of water-insoluble treating chemical and having deposits of treating chemical on its surface. The process comprises submerging the impregnated wood material in the ammoniacal solution,...     

Stripping solutions, free from phenol compounds, comprising at least 30 weight percent of an unsubstituted or alkyl substituted aryl sulfonic acid have been found effective for removal of organic polymeric substances from inorganic substrates. The novel compositions comprise 30-80 percent of one or more...     

A rinse process for solvating adhered primary melt residue from magnetic garnet crystals grown via liquid phase epitaxial (LPE) techniques. The rinse melt consists of a mixture having a saturation to nucleation temperature range that encompasses the primary melt's growth temperature and a solvent compound...     

A composition containing organic compounds for plasticizing resins, an emulsifying agent, a thickening and suspending agent and possibly an inert filler and/or water, is applied to an emulsion-painted wallpaper surface and left for several hours to allow the compounds to act on the binder resins in the...     

A conductive video disc replica is cleaned by washing with an aqueous solution comprising an oxidizing agent, a base and a surfactant of a fluorocarbon added in an amount so that the solution has a surface energy of about 35 dynes/cm.sup.2 or less. This solution removes metallic and oxygen-containing...     

Proteinaceous matter lodged on the surface of a contact lens is removed in a short period of time by immersion of the lens in an aqueous hypertonic composition containing urea or a salt of guanidine and a reducing agent such as a sulfite, a pyrosulfite, etc. The cleaning effect of the composition increases...     

Hulls of fibreglass boats often become stained above and below the waterline after a period in the water. The present invention provides a method of cleaning fibreglass which comprises applying to a fibreglass surface a composition comprising an aqueous solution of phosphoric or oxalic acid. It has been...     

A method and formulation for removing stains from vinyl surfaces which comprises the use of a formulation containing a solvent selected from the group consisting of ethylene glycol monoalkyl ethers and ethylene glycol monoalkyl ether acetates, along with an aqueous solution of sodium hypochlorite or...     

A surface treating composition especially suited for cleaning and treating stainless steel comprising an aqueous emulsion of white mineral oil. An aerosol composition is also provided by the addition of a suitable amount of liquified normally gaseous propellant material.

Vinyl decals are removed from a painted surface without damaging the painted surface by contacting the decal with a composition consisting essentially of one or more of the following aromatic solvents: toluene, xylene and aromatic naphtha; and methyl ethyl ketone or a mixture of glycol ethers. The composition...     

The surface of a diamond bonded to a shank is cleaned by subjecting the shanked diamond to an ultrasonically agitated aqueous bath, contacting the shanked diamond with a concentrated aqueous alkaline solution, contacting the shanked diamond with an aqueous hydrogen peroxide solution, contacting the shanked...     

A composition for cleaning fouled reverse osmosis membranes or other similar fouled surfaces. The composition will remove calcium and magnesium scale as well as iron scale and organic fouling materials. The composition is biodegradable and safe to use.

In the production of records, a mother is formed from a metal master having a nickel core and a silver coating. To produce the mother, the silver coating is removed from the nickel core and the nickel is passivated by treating the metal master with an aqueous solution containing ammonium persulphate....     

An electrophotographic copying process is disclosed comprising the steps of performing a cleaning operation on a recording element by carrying out at least one rinsing operation of the element utilizing a first quantity of a developer liquid; performing a series of copying cycles comprising charging,...     

New cleaning solutions for contact lens have a surface active agent, an inorganic abrasive, and a suspending agent to provide a suspension in an aqueous solution or organic liquid.

A nitroalkane-free inhibitor system for methylchloroform has been formulated which contains dioxane, an alkylene oxide, and 3-butyn-1-ol. The stabilizer amounts to about 4 to 6% by volume of the stabilized methylchloroform composition. The stabilized composition is useful in vapor degreasing applications...     

Hulls of fibreglass boats often become stained above and below the waterline after a period in the water. The present invention provides a method of cleaning fibreglass which comprises applying to a fibreglass surface a composition comprising an aqueous solution of phosphoric or oxalic acid and letting...     

Disclosed herein are aqueous solutions for cleaning contact lenses comprising a water-soluble peroxide, transition metal salts, an amphoteric or anionic surfactant, and, optionally, tonicity salts.

Water-displacing compositions based on fluorocarbon solvent FC-113 (1,1,2-trifluoro-1,2,2-trichloroethane) and certain surfactants are provided. These solutions serve to displace water from a broad range of substrates, including metals such as stainless-steel, aluminum alloys and brass, as well as from...     

A reagent mixture is admixed with soil to first desorb and then hydrolyze and thereby increase the biodegradability of a toxic or otherwise hazardous polyhalogenated organic compound with which the soil is contaminated. Essential constituents of the reagent mixture are: (1) an alkali metal hydroxide,...     

A floor seal strip for protecting areas of floor and doorways from the flow of floor care products. A fluid impermeable barrier element has a flat base, from which one side a barrier flange extends upward and in conjunction with a top flange forms a channel in which a fluid absorbtive, deformable sponge...     

Barnacles from marine vessels are removed by spraying the surfaces thereof with a mixture the active ingredients of which are a hydrocarbon liquid oil; a surfactant; alcohol; a metal hypochlorite; and an alkyl, dialkyl benzyl ammonium salt. After the solution has been applied to the surfaces for about...     

The restoration of monuments and other objects made of stone is described. The process is carried out by immersing the stone object in deionized water in order to dissolve the calcium sulfate contamination present on the deteriorated stone which is caused by the pollutants present in air, then circulating...     

A contaminant trap for a gas-insulated electrical conductor is provided. A resinous dielectric body such as Kel-F wax, grease or other sticky polymeric or oligomeric compound is disposed on the inside wall of the outer housing for the conductor. The resinous body is sufficiently sticky at ambient temperatures...     

A composition is disclosed which includes the use of glyceryl monolaurate in combination with one or more other anti-microbial agents and, optionally an organic surfactant as a cleaning, disinfecting and preserving system which must be non-irritating and non-allergenic to body tissues. The composition...     

Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R120 to about M68, or a shore hardness...     

A composition for cleaning fouled reverse osmosis membranes or other similar fouled surfaces. The composition will remove calcium and magnesium scale as well as iron scale and organic fouling materials. The composition is biodegradable and safe to use.

The monourea adduct of sulfuric acid, when combined with water, has the unique ability to ablate the surface of wooden articles without charring or otherwise disfiguring the surface of the wooden article. Thus, wooden articles can be treated to accomplish a variety of purposes by contacting the surface...     

A heated bath of cleaning liquid is contained in an open top trough into which the bristles of a long handled car washing brush, having a nozzle enclosed within the bristles, are immersed. The edges along the top opening of the trough are provided with flow deflectors that are arranged to redirect liquid...     

A cleaning composition containing 1,1,2,2-tetrachloro-1,2-difluoroethane, 1,1,2-trichloro-1,2,2-trifluoroethane and at least one other organic solvent having a melting point of not more than 15.degree. C. and a boiling point of 40.degree. to 150.degree. C. and capable of forming an azeotrope with at...     

Superior solder flux, e.g., rosin flux, removal compositions are disclosed which have no flash point and are substantially non-corrosive toward aluminum. These compositions consist of about 0.5 to less than 2% methanol with about 3 to 10% of one or more alcohols containing 2-5 carbon atoms the balance...     

A method for controlling, preventing, or removing fouling deposits comprising microencapsulating fouling control chemicals in a slow release capsule. The microcapsules are applied to the substrate to be treated, where they stick to the substrate and slowly release the active treating agents.

Hydrogen sulfide and mercaptans are scavenged from materials, especially fluids, by contacting the fluids with maleimides.

A method of fixing a toner image on a supporting member by bringing the supporting member supporting thereon the toner image into pressure contact with a fixing roller, wherein an elasticity improving agent for increasing the elasticity of the toner upon coming into contact with the toner is disposed...     

A method for disinfecting and cleaning contact lenses is disclosed wherein the lenses are first treated with a peroxide solution to effect disinfection and then are subsequently treated with a catalyst which decomposes the peroxide in a rapid, turbulent manner so as to facilitate removal of surface contamination....     

Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R120 to about M68, or a shore hardness...     

A bag holding apparatus to assist in the bagging of leaves or other lawn debris comprises a generally "U" shaped member with foreshortened legs at either end thereof to maintain bag in an open position.

A composition for cleaning an in-sink garbage disposer unit containing a surfactant, an alkali carbonate and an acid. Each constituent is present in the composition in the range of 5 to 75% by weight. It is preferred that the composition contain 37.5% adipic acid, 37.5% sodium bicarbonate and 25% of...     

An all-purpose aqueous cleaning solution and deodorizing stain remover for use in cleaning all manner of stains from natural and synthetic materials, surfaces and fabrics is formed of a preferred concentration of 6% by volume aromatic petroleum solvent, 2% by volume aqueous wetting agent, and 6% by volume...     

Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R120 to about M68, or a shore hardness...     

A chemical cleaning composition consisting essentially of water, a hydroxycarboxylic acid and a peroxymonosulfate compound is useful for cleaning processing tanks used in silver halide based photographic processing systems.

Solutions of choline base, (2-hydroxyethyl)trimethylammonium hydroxide, in water and/or lower alkanols may be stabilized by the addition of a stabilizing concentration of formaldehyde or paraformaldehyde. The stabilized solutions may be used as cleaning solutions, etchants for semiconductors and metal...     

Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R30 to about M105, or a shore hardness...     

A non-film forming, aqueous composition is disclosed for cleaning and for killing and inhibiting the regrowth of fungi and algae on a solid surface. The composition comprises a water-insoluble compound selected from the group consisting of a fungicide, an algicide and a mixture thereof dispersed in the...     

Gas turbine compressors are cleaned during power generation (on line) by periodically injecting or spraying into the air inlet, a cleaning composition comprising 4-95 percent by weight of a glycol ether such as ethylene glycol butyl ether, or a mixture of glycol ethers such as propylene glycol methyl...     

The method of cleansing a contact lens adapted to be worn in close proximity to the cornea of the eye and typically having a light coating of mucus, lipids, or other proteinaceous materials on its outer surface, which comprises placing a drop of a mild, nonirritating surfactant composition on the lens...     

A composition characterized in that it comprises one or more interhalogens or sources thereof and one or more acids or sources thereof which are not appreciably oxidized by the interhalogen(s) is disclosed. When diluted with water to in-use solution strength, such may be used in an ambient cleaning and/or...     

The present invention relates to a method of silanizing surfaces for use in detecting organic molecules and biomolecules by means of surface-sensitive detection methods. The molecules to be detected become covalently bonded to the solid, plane test surface which contains, by means of silanization, groups...     

Contact lenses are treated with hydrogen peroxide and the remaining hydrogen peroxide is decomposed by electrolysis.

When a liquid chlorosilane compound inadvertently runs out of a container, the liquid must be disposed by absorbing using an absorbent since chlorosilane compounds are generally very dangerous and toxic. Instead of dry sand conventionally used as an absorbent in such a purpose, the invention purposes...     

A thickened aqueous bleaching cleanser has a viscosity of at least 100 centipoise, provides a cleaning-effective residence time on non-horizontal surfaces, and maintains viscosity and bleach stability over a typical shelf life. In one embodiment the cleanser comprises a source of a halogen bleach, a...     

A warewashing detergent composition with an improved builder system having zero phosphate that conditions service water by holding or suspending divalent or trivalent hardness ions in solution and by preventing precipitation of the hardness ions beyond their stoichiometric concentration. The composition...     

A device for washing automobiles, vans, and other vehicles is shown which comprises a movable spray bar with high velocity spray nozzles mounted thereon, as well as associated supporting structure, and motion inducing means. In the washing process, the lateral profile of the vehicle is tracked by an...     

Substrates polluted with toxic substances are treated at their location of contamination, in-situ with solvated electrons prepared chemically or electrochemically. The process is useful in detoxifying inert, non-reducible solvents contaminated with chemically reducible substances.

Floor polish remover compositions containing a low molecular weight nonionic surfactant, an alkaline builder, a hydrotrope and an amine. In one aspect, the floor polish remover composition of the present invention includes demineralized water such that the composition is in liquid form. The low molecular...     

Cleaning formulations suitable for cleaning equipment which circulates food products, such as dairy products, in place. The formulations are alkaline compositions containing a source of available chlorine (suitably hypochlorite) and including a mixture of surfactants one of which is a C.sub.4 -C.sub.6...     

The invention provides a cleaner for lithographic printing plates free of aromatic hydrocarbons consisting essentially of from about 3.0% to about 35.0% of a solvent component which is selected from the group consisting of ethoxylates and propoxylates of C.sub.1 to C.sub.4 alcohols; and from about 0.5%...     

Treatment of contact lenses by an effective amount of bendazac, 5-hydroxybendazac or a salt thereof with a physiologically acceptable base.

There is disclosed a method of removing asbestos or other fibrous material from structures, such as the lagging on pipes, by injecting into the material a treatment liquid which includes a gelling agent and which sets to form a gel of which the fibrous material comprises an integral part, thereby allowing...     

Solid cake lavoratory cleansing block compositions comprising polyethylene glycol polymer and guar gum, and optional ingredients which include fragrances, dyes, solid binders, filler material and mixtures thereof.

Solid cake lavoratory cleansing block composition comprising an iodophor, polyethylene oxide polymer having a molecular weight between about 1 to 6 million, a dye, calcium sulfate and optional ingredients which include fragrances, binders, filler material and mixtures thereof.

An electrophoretic technique and apparatus for decontamination and sterilizing of contact lenses are provided. The lenses are placed in respective perforated containers and inserted in a buffer solution of suitable pH value. An electric field is established in the solution by a pair of spaced electrodes....     

The bath preparation of the present invention comprises an ascorbic acid compound and at least one reducing agent selected from the group consisting of water-soluble thiosulfate, water-soluble dithionite, L-cysteine hydrochloride, glutathione and gallic acid ester.

The use of tricholine phosphate, tris [(2-hydroxyethyl) trimethylammonium] phosphate as a surface treating agent employed during the manufacture of printed wire boards, semiconductors and the like, particularly as a stripper for photoresists and as a cleaner for silicon wafers, furnace tubes and the...     

A chemical polishing bath and process are disclosed for pretreating aluminum and its alloys prior to plating or anodizing operations, which bath and process produce a mirrorlike finish.

A new superabsorber which gels and cross-links as hydrated has been developed. The superabsorber contains a branched-chain polyanionic carbohydrate such as carboxymethylcellulose, a cross-linking agent, and a hydrophobic carboxylic acid. The superabsorber is biodegradable and non-toxic.

A handle and method of using the handle are described for use with baby wipe containers used to clean infants. The disclosed handle is utilized such that the baby wipe container is secured to the outer face of a user's first hand. The first hand is also used to secure the infant's legs while the user's...     

The present invention relates to a composition and a method of cleaning lubricated surfaces subject to residual buildup such as large mill gears, shovels and draglines. The composition comprises at least one terpene being capable of dissolving or softening hardened lubricants and residuals, hydrocarbon...     

A method for washing batteries includes washing batteries in water flowing at a low flat rate at a rinse station, collecting the water from the station, introducing fresh water, and repeating this at sequential stations, and causing water to flow between the stations at a given rate by creating a flow...     

Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R120 to about M68, or a shore hardness...     

A spray hanger for a wet suit comprises a hook, a pair of horizontally extending arms for supporting the wet suit, a body depending from the center of the arms, and an inlet hose coupling for connecting the hanger to a water source. Spray jets are positioned at the end of each of the arms, for spraying...     

A venetian blind or similar flexible flat article is held in tension on a foraminous belt and passed through washing, rinsing and drying zones. The condensate from the air from the drying zone is used as final rinse. The slats of the blind are held at a slight angle to improve drainage and prevent sag...     

An apparatus and process are provided to allow floor mopping without a mop bucket. The apparatus comprises a handle pivotally attached to a member with a generally flat lower surface. The lower surface of the member has thereon frictional means which can maintain a pre-moistened fabric sheet between...     

A method and apparatus for cleaning cellular contamination in flow cytometer comprising the sequential use of a strong oxidizing solution, particle-free neutral pH fluid and a weak acid.

Disclosed is a cleaning process for use primarily in the fabrication of printed circuit boards. Cleaning is done in-line with the coating and development of a photoresist layer. The process includes a spray cleaning and micro-etch, followed by the application of an anti-tarnish so that the boards can...     

An apparatus to remove rubber from airplane tires from an airport runway surface. There is a manifold arm which rotates at as high as two thousand five hundred rpms over the runway surface, with a plurality of water jets being discharged downwardly at a relatively high pressure (e.g. thirty five thousand...