Abstract: The invention relates to a composition suitable for cleaning disinfection and bleaching comprising an acidic aqueous solution of hydrogen peroxide, a surfactant, and a phosphonic acid based complexing agent selected from biodegradable 1-aminoalkane-1,1-diphosphonic acids, or salts thereof, of the formula: ##STR1## wherein R.sub.1 is selected from hydrogen, C.sub.1 -C.sub.4 alkyl and phenyl; R.sub.2 and R.sub.3, independently from each other, are selected from hydrogen, C.sub.1 -C.sub.22 alkyl, C.sub.5 -C.sub.6 cycloalkyl, phenyl, C.sub.7 -C.sub.18 alkylphenyl, C.sub.7 -C.sub.18 phenylalkyl, a C.sub.1 -C.sub.10 alkanol radical, a carboxy alkyl radical having up to 10 carbon atoms, wherein R.sub.2 and R.sub.3 together with the nitrogen atom can form a piperidino, pyrrolidino or a morpholino group; and X.sub.1 to X.sub.4, independently from each other, are selected from hydrogen, alkali metal and ammonium.

Abstract: There is provided an enzymatic detergent composition comprising one or more surfactants and an endoglucanase which is not a Family 7 cellulase, which contains no cellulose binding domain and wherein the catalytic domain contains at least two disulphide bridges. Preferably, the endoglucanase is producible from Thermomonospora fusca, or mutants or variants thereof.

Abstract: The present invention discloses an alkaline cleaning composition for cleaning heavily soiled surfaces such as food fryers, baking pans, high temperature pasteurizers, beer kettles and similar equipment that normally requires caustic soda based cleaners to clean. The present invention is also useful in cleaning ceramics such as restaurant grade ceramic china plates and platters. The present invention is particularly useful in cleaning brass and aluminum parts and equipment without causing corrosion damage. Further, since the cleaning composition of the present invention is not based on caustic soda, the composition is not considered hazardous. Further, the cleaning composition of the present invention dissolves readily in water, providing a solution that can be used in mechanical sprayers, soak-tanks and clean-in-place equipment. Also the cleaning composition may be effectively used at lower temperatures than caustic cleaning agents.

Abstract: The invention pertains to granules which incorporate citric acid monohydrate as an exotherm control agent within a peracid containing core. The granules have improved dissolution rates of the peracid in a dishwashing cycle. Compositions containing the granules are also described.

Abstract: The invention relates to particles having a core comprising a peroxy compound with capability of releasing hydrogen peroxide or peroxy acids in aqueous solutions, which particles have a coating containing a chelating agent selected from alkali metal salts or alkaline earth metal salts of a hydroxy carboxylic acid satisfying the formula: RC.sub.n H.sub.m (OH).sub.n COOH in which R is CH.sub.2 OH or COOH, n is 2-6 and m is 0-n. The invention also relates to preparation and use of the particles, as well as a composition containing such particles.

Abstract: Cleaning solutions for application to semiconductor substrates comprise hydrofluoric acid, hydrogen peroxide, isopropyl alcohol, and water. Methods of cleaning semiconductor substrates comprise contacting the semiconductor substrates having contaminants contained thereon with cleaning solutions comprising hydrofluoric acid, hydrogen peroxide, isopropyl alcohol, and water; contacting the semiconductor substrates with first baths of water to remove the cleaning solutions contained on the semiconductor substrates; contacting the semiconductor substrates with second baths containing water to remove the contaminants contained on the semiconductor substrates; and rotating the semiconductor substrates to remove water remaining thereon to clean the semiconductor substrates.

Abstract: There is provided a composition adapted for use in machine dishwashing having reduced silver-tarnishing, as well as good cleaning performance. The composition contains an oxygen bleach and a water-soluble bismuth compound.

Abstract: Process for stainless steel pickling consisting in placing the material to be treated in a bath kept at a temperature ranging from 30.degree. C. to 70.degree. C. and containing:a) H.sub.2 SO.sub.4b) Fe.sup.3+c) HFd) emulsifiers, wetting agents, polishing agents, acid attack inhibitors;the bath being kept under agitation with:an air flow and continuously fed with a quantity of oxidizing agent adjusted to the bath redox potential to be kept at 250 mV min.

Abstract: There is provided the use of a cellulose ether material to inhibit the transfer of a colored food soil from an aqueous wash solution to a substrate in a dishwashing method.

Abstract: The invention relates to particles comprising a peroxy compound with capability of releasing hydrogen peroxide or peroxy acids in aqueous solutions and up to 15% by weight of a dicarboxylic acid having from 5 to 10 carbon atoms or a salt thereof. The invention also relates to use of the particles and a composition comprising such particles.

Abstract: The present invention relates to a machine dishwashing composition comprisingfrom 1% to 80% by weight of detergent builder compoundoxygen-releasing bleaching agentfrom 0.05% to 2.5% by weight, preferably 0.1% to 1% by weight of paraffin oil,nitrogen-containing corrosion inhibitor compoundMost preferably the oxygen-releasing bleaching agent is incorporated such that the level of available oxygen measured according to the method herein is from 0.3 to 1.7, preferably 0.5 to 1.

Abstract: Hydrogen peroxide rinse aid solutions of the present invention added to hydrochloric acid rinse baths for acid pickled stainless steel enables hydrochloric acid rinse baths to easily remove stainless steel oxides and smutt from the surfaces of acid pickled stainless steel to produce a bright and clean finish that is comparable to the finish produced by nitric/hydrofluoric acid rinse systems.

Abstract: Disclosed are non-aqueous, particulate-containing liquid laundry detergent compositions which are in the form of a suspension of particulate material, preferably including peroxygen bleaching agent and an organic detergent builder, dispersed in a liquid phase structured with a surfactant and elasticized with finely divided particulate material such as silica or titanium dioxide. Such compositions provide especially desirable cleaning and bleaching of fabrics laundered therewith and also exhibit especially desirable pourability and chemical and phase stability.

Abstract: Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt catalysts having the formula:?Co(NH.sub.3).sub.n (X).sub.m !T.sub.y.Preferred automatic dishwashing compositions comprise amylase and/or protease enzymes. Included are methods for washing tableware in domestic automatic dishwashing appliances using the cobalt catalysts.

Abstract: A liquid concentrate peroxide composition contains a combination of sequestrants which together are capable of universal sequestration of transition metal ions which would otherwise cause decomposition of the peroxide. The combination preferably includes a sequestrant capable of sequestering cobalt and a sequestrant capable of sequestering metal ions other than cobalt. A particularly preferred combination includes a poly(methylene phosphonic acid) and nitrogen-donor type sequestrants such as dipyridylamine or triazacyclononane.

Abstract: There is provided an enzymatic detergent composition comprising a surfactant and an endoglucanase producible from Thermomonospora fusca, preferably E5, or mutants or variants thereof.

Abstract: Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt (III) catalysts having the formula:Co?(NH.sub.3).sub.n M.sub.m B.sub.b T.sub.t Q.sub.q P.sub.p !Y.sub.yPreferred automatic dishwashing compositions comprise amylase and/or protease enzymes. Included are methods for washing tableware in domestic automatic dishwashing appliances using the cobalt catalysts.

Abstract: There is provided a granular, silicate-built, phosphate free laundry detergent composition comprising fine alkali metal percarbonate particles having mean particle diameter below 450 .mu.m, preferably below 400 .mu.m, wherein no more than 20%, preferably no more than 10%, of the particles have a diameter above 710 .mu.m, said particles having a coating comprising one or more soluble inorganic salts. The salts may be selected from alkali or alkaline earth metal carbonates, sulphates, chlorides and nitrates. The coated percarbonate particles have improved stability to storage and are capable of dissolving quickly in wash liquor.

Abstract: The present invention discloses an alkaline cleaning composition for cleaning heavily soiled metal surfaces such as food fryers, baking pans, high temperature pasteurizers, and beer kettles, ceramic surfaces such as restaurant grade ceramic china plates and platters, and plastic surfaces. The cleaning composition is noncaustic and includes a peroxygen compound, a chelate, and a metasilicate and/or sesquisilicate. A preferred cleaning composition further includes a surfactant and hydrated builder.

Abstract: A solid detergent composition and a method of using the composition in a machine dishwasher is described. The product contains a first layer having an oxygen bleaching system, a buffering system of a builder, and an enzyme. The first layer dissolves to deliver a pH of about 8.5 to about 11 in the wash water. A second layer includes an effective amount of an acidity agent selected from an inorganic acid, an organic acid and mixtures thereof, a continuous medium having a melting point in the range of from about 55.degree. C. to about 70.degree. C. and an anti-scaling agent. The second layer dissolves in wash water to deliver a pH of from about 6.5 to about 9.

Abstract: A detergent composition comprising an amylase enzyme which shows CMCase activity and/or is an amylase showing a positive immunological cross reaction with the antibody of the Fungamyl amylase, or an amylase produced by a host organism in which the gene encoding the Fungamyl has been cloned.

Abstract: A one-step cleaning and water repellent treatment is provided. An alkaline-stable cleaning solution is mixed with an aqueous solution of alkali metal organosiliconates and applied to porous inorganic surfaces as a one-step cleaning and water repellent treatment. The mixture has been found to be stable and compatible. The one-step cleaning and water repellent treatment functions to simultaneously clean and protect porous inorganic surfaces and, thus, reduces the cost and time necessary to clean and protect such a surface.

Abstract: A granular detergent composition comprising an alkali metal percarbonate, characterized in that percarbonate has a mean particle size of from 250 to 900 micrometers, and that said compositions comprise a hydrophobic material, selected from silica, talc, zeolite DAY and hydrotalcit, in a weight ratio of alkali metal percarbonate to hydrophobic material, of from 4:1 to 40:1, preferably 7:1 to 20:1. Both laundry detergent compositions including laundry additives and automatic dishwashing compositions are encompassed by the term "detergent composition" herein. Making processes thereof are also described.

Abstract: The present invention relates to a detergent composition containing from 1% to 80% by weight of a detergent builder compound; from 0.005% to 2,5% by weight of a paraffin oil; an oxygen-releasing bleaching agent such that the level of available oxygen in the composition measured according to the method herein is from 0.3% to 2.5% wherein the rate of release of said available oxygen is such that the available oxygen is completely released from the composition in a time interval of from 3.5 minutes to 10.0 minutes, using the test protocol described in the present description.

Abstract: Granular laundry detergents are formulated with percarbonate bleach and oxidation-sensitive ingredients such as brighteners, enzymes, perfumes and the like. The storage stability of such compositions is improved by the presence of silicate. For example, the tendency of stilbene-type brighteners to form undesirable yellow shades in the presence of percarbonate is diminished by the corporation of silicate materials into the granules.

Abstract: Stable granular detergent compositions with good flow and dispensing properties are prepared using percarbonate bleach and selected sulfate salts. Thus, particles comprising builders and surfactants are prepared separately from percarbonate bleach particles of defined particle size. Water-soluble sulfate particles having a defined size range and no more than 40 ppm iron and no more than 5 ppm copper are used in the compositions. The specified moisture content of the ingredients and overall compositions improves stability and flow/dispensing properties.

Abstract: A bleach granule is provided with 60-100% being an intimate mixture of an amido or imido C.sub.2 -C.sub.30 peroxy acid and a surfactant, in a weight ratio of 20:1 to 1:20. The most preferred peroxyacids are N,N-phthaloylaminoperoxycaproic acid (PAP); monononylamide of either peroxysuccinic acid (NAPSA) or peroxyadipic acid (NAPAA) and N,N'-terephthaloyl-di(6-aminoperoxycaproic acid) (TPCAP). Localized dye damage from the peroxy acid bleach is prevented by the presence of the surfactant. Bleach compositions and a method for cleaning a stained substrate with the bleach granule are also described.

Abstract: The invention is drawn to a denture cleaning composition which comprises 1) an inorganic persalt bleaching agent, 2) an effervescence generator, 3) a dimethicone copolyol selected from the group consisting of alkyl- and alkoxy- dimethicone copolyols having the formula (I) as set forth in the specification, and 4) optionally an organic peroxyacid bleach precursor.

Abstract: Novel bleaches, a method for bleaching substrates using these materials and detergent compositions containing same are reported. The bleaches are thiadiazole dioxides. Substrates such as fabrics may be bleached in an aqueous solution containing the thiadiazole and a peroxygen compound.

Abstract: An encapsulated bleach particle is provided, comprising(a) 1-30% by weight of a coating including a gelled polymer material (as herein defined);(b) 99-70% by weight of a core material selected from the group consisting of a peroxygen bleach compound, a bleach catalyst, and a bleach precursor.This particle was found to have both favourable storage stability and good solubility characteristics. Furthermore, a process for producing encapsulated particles having said composition is provided.

Abstract: There is provided a particulate solid machine dishwashing detergent composition containing alkali metal percarbonate bleach coated with a mixed salt comprising an alkali metal carbonate and an alkali metal sulphate salt; a peroxyacid bleach precursor; an acidification agent; and a means for enabling delayed release of said acidification agent such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.5 to 13.0 prior to release of said acidification agent, and such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.3 to 7.0 subsequent to complete release of said acidification agent.

Abstract: A warewashing composition for a machine dishwasher and a method of using it is described. The composition comprises effective amounts of an organic peroxy acid, and an amylase enzyme which, when incubated at 55.degree. C. in a solution of 2 mM sodium citrate, 1 mM epsilon phthalimidoperoxyhexanoic acid in 36 ppm water at pH 8.0, has a half-life of two minutes or greater based on an activity vs. time plot obtained via monitoring color development at 405 nm of solution samples incubated with p-nitrophenyl-.alpha.-D-maltoheptaoside as substrate and gluco amylase and .alpha.-glucosidase as coupled enzymes; and 1% to 75% by weight of a builder. A 1% aqueous solution of the composition must have a pH of less than 10.

Abstract: A solid oxygen-based bleach includes components such as aqueous hydrogen peroxide combined with a quantity of an alkali metal phosphate capable of combining with the hydrogen peroxide to form a peroxyhydrate salt. A sufficient amount of a solidifying agent for the peroxyhydrate salt is added to the mixture while still in its exothermically heated form, to effect solidification of the emulsion upon cooling of the product. The pH of the composition is controlled by addition of sequestering acid salts to maintain the pH within 4 to 9, and preferably 7 to 8. Anionic and/or nonionic surfactants may be added to the composition. The heated molten composition resulting from the exothermic reaction of the constituents is poured into tablet or cake forming molds and allowed to cool thus effecting solidification of the mass in each mold.The bleaching/detergent composition is useful in hot water warewashing, laundry, and hard surface cleaning applications.

Abstract: Neutral or alkaline thickened aqueous hydrogen peroxide compositions and processes for the production thereof are provided. The compositions are thickened with a polymeric thickener comprising a polyethylene backbone, with pendant carboxylate groups and pendant groups of the formula --(OCH.sub.2 CH.sub.2).sub.m (OCHXCHY).sub.n --O--R, where m is a position integer, n is zero or a positive integer, X and Y are independently selected from hydrogen atoms, methyl and ethyl groups and R is a hydrophobic group comprising eight or more carbon atoms; and one or more surfactants selected from the group consisting of alcohol ethyoxylates, alkylbenzenesulphonates comprising ten or more carbon atoms, alkylsulphates comprising six or more carbon atoms, alcohol ether sulphates, alpha-sulphoesters and alkylglucosides.

Abstract: A method for preparing an environmentally safe composition free of chlorinated solvents which is non-flammable, fully biodegradable, and low odor and the use of such composition for the removal of various coatings from metal substrates. The composition comprises a water-based mixture of one or more high boiling, high flash aromatic solvent(s), a peroxide generating agent, and a hydroxycarboxylic acid. It can be prepared as a liquid and used as such for immersion/dipping operations or as a thick paste "cling type" material when optimal application requires a thin film. These can be applied by spraying or brushing.

Abstract: A paint stripping composition includes a peroxide, water and an organic solvent. The composition has a near-neutral pH. The solvents may include benzyl alcohol and/or cyclohexane dimethanol, and the peroxide may comprise hydrogen peroxide or urea peroxide.

Abstract: There is provided a particulate solid laundry detergent composition containing alkali metal percarbonate bleach coated with a mixed salt comprising an alkali metal carbonate and an alkali metal sulphate salt; a peroxyacid bleach precursor; an acidification agent; and a means for enabling delayed release of said acidification agent such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.5 to 13.0 prior to release of said acidification agent, and such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.3 to 7.0 subsequent to complete release of said acidification agent.

Abstract: Bleaching compositions comprising a bleaching compound and an oxopiperidinium salt each preferably present in a range of about 1 to about 75% by weight. Additives, such as, surfactants, anti-foaming agents, fabric softeners, stabilizers, inorganic builder salts, buffers, enzymes and the like may also be present. The compositions can be formulated as dry concentrated mixtures encapsulated or in loose powder form, aqueous solutions, aqueous solutions containing non-aqueous solvents and like forms. The compositions are effective as bleaching agents from below room temperature to higher temperatures, are biodegradable and are environmentally safe.

Abstract: A coated bleach composition for laundering which contains from 1-97 weight percent of an amidoperoxyacid, and 0-98 weight percent of a hydratable amidoperoxyacid compatible material, less than 2.0 weight percent of water, and a coating of 2-30 weight percent of a water-soluble salt applied by spray coating on a fluidized bed, is disclosed.Also disclosed is a process for the coating of an amidoperoxyacid-containing bleach composition characterized by the steps of spraying, at a temperature below the decomposition temperature of the amidoperoxyacid, a sufficient amount of an atomized spray of an aqueous solution of a water-soluble salt onto a fluidized bed of bleach composition containing an amidoperoxyacid to provide 2-30 weight percent of the water-soluble salt to the composition, and drying the coated composition to a water content of less than 2.0 weight percent. The coating of the composition eliminates caking problems encountered with the uncoated composition.

Abstract: A granular detergent composition having a bulk density of at least 650 g/l and comprising at least 5% by weight of anionic surfactants, nonionic surfactants, or mixtures thereof, and further comprising: i) from 2% to 50% by weight of granular alkalimetal percarbonate, ii) from 0.7% to 20% by weight of powdered silicate, and wherein silicate particles having a particle size diameter of less than 425 micrometers comprise at least 0.7% by weight of the composition.

Abstract: An automatic dishwashing detergent composition is described which comprises 0.01 to 1.0% of a fatty acid having from 12 to 22, preferably from 16 to 18, carbon atoms in the acyl radical and are preferably unsaturated; 0.1 to 2% of a carrier containing a ketone which has at least 25 carbon atoms; 0.5 to 40% of a surfactant; 0.1 to 10 weight % of a proteolytic enzyme; 1 to 30 weight % of a bleaching agent selected from the group of a peroxygen or hypohalite agent; and 1 to 75% of a builder providing a composition having a pH of less than about 11. Specifically, the detergent composition must have a weight ratio of long-chain ketone/carrier to fatty acid of 5:1 to 1:1, preferably from 4:1 to 2:1. A method of using the composition is also described.

Abstract: Automatic dishwashing detergent compositions comprising a certain combination of metasilicate with other silicate (polymeric) components are disclosed. Particularly preferred compositions also comprise low foaming surfactant and detergency builders.

Abstract: Disclosed is a detergent composition comprising a polyhydroxy fatty acid amide surfactant of the formula: ##STR1## wherein R.sup.1 is H, C.sub.1 -C.sub.4 hydrocarbyl, 2-hydroxy ethyl, 2 hyroxy propyl, or a mixture thereof, R.sup.2 is C.sub.5 -C.sub.31 hydrocarbyl, and Z is a polyhydroxy-hydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls connected directly to said chain, or an alkoxylated derivative thereof, and a non-borate, non-borate-forming bleaching agent such as the persulfates and especially the percarbonate bleaches. Mixtures of non-perborates with bleach activators such as tetraacetyl ethylene diamine are also used in the compositions. Also disclosed is a method for cleaning substrates, such as fabrics, fibers, textiles, hard surfaces, etc., at temperatures below about 50.degree. C., especially below about 40.degree. C.

Abstract: This invention relates to activation of enzymes. More specifically, the invention relates to peroxidase enhancing agents. The invention also relates to methods of oxidizing a substrate with a source of hydrogen peroxide in the presence of a peroxidase enzyme and a peroxidase enhancing agent More specifically, the invention relates to a method of bleaching of dye in solutions, to a method of inhibiting the transfer of a textile dye from a dyed fabric to another fabric when said fabrics are washed together in a wash liquor, to a method of bleaching of lignin-containing material in particular bleaching of pulp for paper production, to a method of treatment of waste water from pulp manufacturing, and to a method of enzymatic polymerization and/or modification of lignin or lignin containing material.

Abstract: There is provided a bleaching composition, suitable for use in a machine dishwashing method, containing: an oxygen-releasing bleaching agent, from 0.05% to 2.5% by weight, preferably 0.1% to 0.6% by weight of a paraffin oil, from 0.005% to 3%, preferably 0.02% to 1% and most preferably from 0.05% to 0.5% of a benzotriazole compound. Preferably the bleaching composition forms a part of a detergent composition.

Abstract: A composition and method for inhibiting lead corrosion of fine tableware washed in automatic dishwashers is disclosed. The composition comprises an aluminum salt which dissolves at a rate to deliver less than 0.56 mM aluminum(III) per minute at 42.degree. C. to a wash liquor, a bleaching agent, a builder and optionally a surfactant. The composition has a pH of less than about 10 and is substantially free of silicates.

Abstract: A process of bleaching using at least one imide-aromatic (poly)peroxyacid, having a formula: ##STR1## wherein A represents the residue of a benzene or napthalene ring optionally substituted by a COOH or COOOH group, the symbol or symbols R, which may be the same or different from each other, represent a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, an OH group, a COOH group, a COOOH group, a COOR' group, wherein R' represents a C.sub.1 -C.sub.5 alkyl group, or a substituted C.sub.1 -C.sub.5 alkyl group wherein the substituent is nitro, an OH group or a C.sub.1 -C.sub.5 alkoxy group, and n is an integer from 1 to 5.

Abstract: The use of lactobionic acid, lactobionic acid salts and/or lactobionic acid derivatives as covering material is disclosed for coating alkali metal peroxy salts, in particular for coating sodium percarbonate. In an advantageous alternative of the invention, alkali metal peroxy salts are provided with a covering layer that contains as covering materials lactobionic acid and/or lactobionic acid salt mixed with boric acid and/or a boric acid salt as additional covering material. This coating stabilizes the alkali metal peroxy salts and protects them against humidity and decomposition. In another advantageous alternative, lactobionic acid, lactobionic acid salts and/or lactobionic acid derivatives are used in combination with or in particular mixed with an inorganic mineral salt mixture of alkali metal sulphate and alkali metal chloride as additional covering material for coating alkali metal peroxy salts, in particular for coating sodium percarbonate.

Abstract: The invention herein provides bleaching compositions comprising a protease enzyme which is a carbonyl hydrolase variant having an amino acid sequence not found in nature, which is derived by replacement of a plurality of amino acid residues of a precursor carbonyl hydrolase with different amino acids, wherein said plurality of amino acid residues replaced in the precursor enzyme correspond to position +76 in combination with one or more of the following residues: +99, +101, +103, +104, +107, +123, +27, +105, +109, +126, +128, +135, +156, +166, +195, +197, +204, +206, +210, +216, +217, +218, +222, +260, +265, and/or +274, where the numbered positions corresponds to naturally-occurring subtilisin from Bacillus amyloliquefaciens or to equivalent amino acid residues in other carbonyl hydrolases or subtilisins (such as Bacillus lentus subtilisin) and a bleaching agent.

Abstract: A process for stabilising percarbonate by coating with a coating agent. The percarbonate particles are treated with a concentrated aqueous solution containing at least one boron compound selected from the metal and ortho boric acids and at least one phosphate. Water is removed to provide the coated percarbonate particles which are useful in bleaching and washing compositions.