Peroxides Or Oxygen Patents (Class 8/111)
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Patent number: 6015504Abstract: The present invention relates to new compounds which are useful as ultraviolet absorbing agents (UVAs) and as fluorescent whitening agents (FWAs), and to a method of improving the sun protection factor (SPF) of textile fiber material, especially cotton, polyamide and wool, treated with the new compounds and with certain known compounds.Type: GrantFiled: January 26, 1998Date of Patent: January 18, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Claude Eckhardt, Robert Hochberg, Werner Kaufmann, Georges Metzger
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Patent number: 6007583Abstract: Use of compounds of the formula ##STR1## where the radicals R.sup.1, R.sup.2 and A are as defined in the description, as bleach activators in bleaching detergents and cleaners.Type: GrantFiled: October 19, 1998Date of Patent: December 28, 1999Assignee: Clariant GmbHInventor: Bernd Nestler
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Patent number: 6001794Abstract: The present invention relates to the use of a liquid composition comprising a peroxygen bleach and a radical scavenger or mixtures thereof, for pretreating soiled fabrics before said fabrics are washed, for reducing the loss of tensile strength in said fabrics and/or for reducing the color damage of said fabrics. The present invention further encompasses a liquid composition suitable for pretreating soiled fabrics, said composition comprising a peroxygen bleach and a radical scavenging system.Type: GrantFiled: March 26, 1998Date of Patent: December 14, 1999Assignee: The Procter & Gamble CompanyInventors: Valerio Del Duca, Carlo Ricci, Marina Trani
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Patent number: 5997585Abstract: Liquid bleaching compositions are described which comprise hydrogen peroxide or a source thereof, as well as a bleach activator. The liquid bleach activator is hydrophobic, and the compositions are formulated as microemulsions of said bleach activator in a hydrophilic matrix comprising water and a surfactant system comprising an anionic and a nonionic surfactant.Type: GrantFiled: December 15, 1998Date of Patent: December 7, 1999Assignee: The Procter & Gamble CompanyInventors: Stefano Scialla, Raffaele Scoccianti
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Patent number: 5989530Abstract: A dustless, free-flowing powdery bleaching material for human hair which comprises a powdery composition of at least one solid peroxide compound and at least one pulverulent carrier material admixed with an oil and/or a liquid wax.Type: GrantFiled: March 3, 1993Date of Patent: November 23, 1999Assignee: Goldwell AGInventors: Heribert Lorenz, Frank Kufner
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Patent number: 5980579Abstract: A method is provided for reducing the shrinkage of wool comprising the steps of: (a) preparing an aqueous solution comprising an oxidase or a peroxidase; and (b) contacting a wool containing article with said aqueous solution under conditions suitable for reacting said oxidase or peroxidase with said wool.Type: GrantFiled: December 17, 1996Date of Patent: November 9, 1999Assignee: Genencor International, Inc.Inventor: Mee-Young Yoon
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Patent number: 5965506Abstract: A fabric bleaching composition comprising a peroxy compound and a specified manganese complex is disclosed, as well as a process for bleaching and/or cleaning a fabric by contacting it with said fabric bleaching composition.Type: GrantFiled: October 28, 1997Date of Patent: October 12, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Pierre Bacher, Claude Eckhardt, Dieter Reinehr
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Patent number: 5951714Abstract: A process for enzymatic discharge printing of the surface of dyed fabric, especially cellulosic fabric such as denim, including an oxidoreductase and enhancing agent system.Type: GrantFiled: March 26, 1998Date of Patent: September 14, 1999Assignee: Novo Nordisk Biochem North America, Inc.Inventors: Gregory K. Hall, Charles W. Stewart, Garrett A. Screws
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Patent number: 5948122Abstract: The present invention relates to methods for dyeing a material, comprising (a) treating the material with a dyeing system which comprises one or more reduced vat dyes and/or one or more reduced sulfur dyes; and (b) oxidizing the one or more reduced vat dyes or one or more reduced sulfur dyes adsorbed onto the treated material with an oxidation system comprising (i) an oxygen source and one or more enzymes exhibiting oxidase activity or (ii) a hydrogen peroxide source and one or more enzymes exhibiting peroxidase activity, to convert the one or more reduced dyes to their original oxidized insoluble colored forms; wherein the material is a fabric, yarn, fiber, garment or film made of cotton, diacetate, flax, fur, hide, leather, linen, lyocel, polyacrylic, polyamide, polyester, ramie, rayon, silk, tencel, triacetate, viscose or wool.Type: GrantFiled: November 24, 1998Date of Patent: September 7, 1999Assignees: Novo Nordisk Biotech, Inc., Novo Nordisk BioChem North America Inc., Novo Nordisk A/SInventors: Feng Xu, Sonja Irene Salmon
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Patent number: 5945392Abstract: Nonaqueous detergent compositions which are in the form of a liquid, paste or gel, wherein the compositions comprise a divalent and/or trivalent metal salt bleach activator are disclosed.Type: GrantFiled: December 22, 1997Date of Patent: August 31, 1999Assignee: Procter & Gamble CompanyInventors: Jean-Pol Boutique, Michael Eugene Burns, James Pyott Johnston, Axel Meyer
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Patent number: 5942006Abstract: A process for the flame-retardant treatment of a cellulosic fabric by impregnating a fabric with an aqueous solution of a tetrakis (hydroxyorgano) phosphonium (THP) and then at least partially drying it. The partially dried impregnated fabric is passed at a speed of 30 to 100 m/minute once through a chamber containing ammonia for a single cure. Both the moisture contained in the fabric and water produced as a by-product of curing are volatilized and condensed on an interior wall of the chamber and flow down the walls to a drain for removal of the condensed water from the apparatus. The process further includes measuring the rate of ammonia in the gas fed into the chamber, determining the ammonia content of the gas and measuring the temperature within the chamber, for maintaining the initial concentration of ammonia in the gas at 70% to 90% by volume and for maintaining the ratio of ammonia input to the THP composition in the range of at least 1.Type: GrantFiled: July 31, 1997Date of Patent: August 24, 1999Assignee: Albright & Wilson UK LimitedInventor: Robert Cole
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Patent number: 5929015Abstract: The invention relates to particles having a core comprising a peroxy compound with capability of releasing hydrogen peroxide or peroxy acids in aqueous solutions. The particles have a coating containing a silicate, and a water soluble magnesium salt, and the core and/or the coating contains an aliphatic organic compound or a salt thereof as a chelating agent. The invention also relates to preparation and use of the particles as well as a composition containing such particles.Type: GrantFiled: March 18, 1997Date of Patent: July 27, 1999Assignee: EKA Chemicals ABInventors: Hans Lagnemo, Monica Jigstam
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Patent number: 5928382Abstract: Bleach composition comprising one or more bleaching agents and one or more polyoxometallates of the formula(Q).sub.q (A.sub.a X.sub.x M.sub.m O.sub.y Z.sub.z (H.sub.2 O).sub.b.cH.sub.2 Oas bleaching catalyst, the symbols Q, A, X, M, Z, q, a, x, m, y, z, b and c being as defined in the description.Type: GrantFiled: August 22, 1996Date of Patent: July 27, 1999Assignee: Clariant GmbHInventors: Gerd Reinhardt, Vera Friderichs, Bernd Scharbert, Rolf Peter Schulz, Bernt Krebs, Rainer Bohner, Christian Thulig
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Patent number: 5928384Abstract: The present invention relates to the use of compositions comprising an organic chelator together with a soil suspending polycarboxylate or polyamine polymer for the cleaning of carpet. The compositions may be in liquid or granular form and they may also contain surfactants and oxygen bleaches.Type: GrantFiled: August 7, 1997Date of Patent: July 27, 1999Assignee: The Procter & Gamble CompanyInventors: Stefano Scialla, Floriana Raso
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Patent number: 5928381Abstract: A process for simultaneously desizing and bleaching of a sized fabric containing starch or starch derivatives, which process comprises treating the fabric with a bleaching composition and an oxidation stable .alpha.-amylase.Type: GrantFiled: August 22, 1996Date of Patent: July 27, 1999Assignee: Novo Nordisk A/SInventors: Annette Hanne Toft, Dorthe Marcher, Hanne H.o slashed.st Pedersen, Thomas Erik Nilsson
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Patent number: 5929013Abstract: A bleach product comprising an aqueous solution at a pH of 8 or more is disclosed that has an excellent bleaching activity without an irritating odor. The aqueous solution comprises: (A) from 0.5 to 60 weight percent of a compound selected from the group consisting of hydrogen peroxide and peroxide compounds which generate hydrogen peroxide in aqueous solution, (B) cyanourea and (C) an alkaline agent has. The product can be used for removal of mold with excellent results.Type: GrantFiled: March 3, 1998Date of Patent: July 27, 1999Assignee: Johnson Company Ltd.Inventors: Yasuhisa Kuriyama, Jun Kokubu, Yasuo Hiro, Yoshiko Tsuji, Tsuneo Kobayashi, Masahito Mikami, Shuzo Nakamura
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Patent number: 5928380Abstract: A method of treating fabrics, garments, or yarns comprising treating undyed fabric, garment, or yarn in an aqueous medium with an effective amount of a haloperoxidase, a halide source, and a hydrogen peroxide source. The treated fabric, garment, or yarn exhibits improved characteristics relative to untreated fabric, garment, or yarn, such as improved shrink-resistance.Type: GrantFiled: June 8, 1998Date of Patent: July 27, 1999Assignee: Novo Nordisk A/SInventors: Jacob Winkler, Lars Sparre Conrad
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Patent number: 5912405Abstract: The invention is directed to a method of bleaching dye or colorant in solution which comprises a phenol oxidizing enzyme (e.g. A peroxidase or a laccase) and an enhancing agent (e.g. acetosyringone).Type: GrantFiled: February 20, 1997Date of Patent: June 15, 1999Assignee: Novo Nordisk A/SInventors: Palle Schneider, Ture Damhus
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Patent number: 5912404Abstract: A rapid bleaching process for cellulosic materials such as cotton and cotton blends. The bleaching liquor includes a mixture of hydrogen peroxide, potassium hydroxide and a stabilizer combined with controlled time and temperature to produce a rapid bleach in about 10 minutes or less. The resulting textile goods are soft, absorbent, mote-free with a Hunter Scale Whiteness Value of greater than about 110 and less than about 0.65% extractable solids.Type: GrantFiled: November 12, 1996Date of Patent: June 15, 1999Assignee: Surry Chemicals IncorporatedInventor: Sherman H. Sheppard
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Patent number: 5912407Abstract: The invention relates to a process for treatment of cellulosic material, as for example, knitted or woven cotton fabric, comprising the steps of preparing an aqueous enzyme solution comprising pectinase, treating the cellulosic material with an effective amount of the aqueous enzyme solution under alkaline scouring conditions; e.g., pH of 9 or above and a temperature of 50.degree. C. or above, in a low calcium or calcium-free environment, yielding a modification of the cellulosic material such that exhibits an enhanced respond to a subsequent chemical treatment.Type: GrantFiled: November 25, 1997Date of Patent: June 15, 1999Assignee: Novo Nordisk Biochem North America, Inc.Inventors: Carl Andrew Miller, Steen Skjold Jorgensen, Eric W. Otto, Niels K. Lange, Brian Condon, Jiyin Liu
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Patent number: 5908472Abstract: The present invention relates to a process for providing an abraded look with a reduced strength loss in dyed fabric comprising (a) contacting, in an aqueous medium, a dyed fabric with a cellulase in a concentration corresponding to 0.01-250 .mu.g of enzyme protein per g of fabric; and (b) simultaneously or subsequently treating the fabric with a phenol oxidizing enzyme and an enhancing agent.Type: GrantFiled: May 14, 1998Date of Patent: June 1, 1999Assignee: Novo Nordisk A/SInventor: Thomas Vollmond
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Patent number: 5904734Abstract: Disclosed herein are bleaching systems that contain a peroxide and an activator. The activator is a tungsten containing compound, preferably sodium tungstate or tungstosilicic acid. When such bleaching systems are applied in an aqueous alkaline environment they can bleach mold, fungus, and the like.Type: GrantFiled: November 7, 1996Date of Patent: May 18, 1999Assignee: S. C. Johnson & Son, Inc.Inventors: Stig E. Friberg, Bijaya K. Mishra
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Patent number: 5902354Abstract: The use of anionic surfactants in a liquid peroxygen bleaching composition disclosed, for reducing itching of the skin, after it has come in contact with said compositions.Type: GrantFiled: March 11, 1997Date of Patent: May 11, 1999Assignee: The Procter & Gamble CompanyInventors: Gianmarco Polotti, Stefano Scialla, Raffaele Scoccianti
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Patent number: 5902783Abstract: 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 alkali metal silicate and a chelating agent. The invention also relates to preparation and use of the particles as well as a composition containing such particles.Type: GrantFiled: August 23, 1996Date of Patent: May 11, 1999Assignee: Eka Chemicals ABInventors: Hans Lagnemo, Monica Jigstam
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Patent number: 5891423Abstract: Method of treating dry, free flowing, dust forming compositions with selected liquids to agglomerate a portion of the particles into groups of particles of sufficient size so that the treated compositions are substantially dust free and retain their free flowing properties, and the compositions produced by such treatment.Type: GrantFiled: October 14, 1997Date of Patent: April 6, 1999Assignee: Clairol, IncorporatedInventor: George Weeks
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Patent number: 5888249Abstract: A fibrous material including a fibrous material, urea peroxide absorbed on the fibrous material, and a bicarbonate anion containing substance absorbed on the fibrous material.Type: GrantFiled: September 17, 1997Date of Patent: March 30, 1999Assignee: Carefibres OyInventors: Maija Laurila, Pirjo Vapaaoksa
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Patent number: 5882355Abstract: A process is disclosed for cleaning of a substrate, comprising the steps of (1) adding a molecular oxygen activating system (as defined herein) to an aqueous wash liquor, containing a sufficient amount of molecular oxygen for obtaining observable cleaning, and (2) cleaning the substrate with the thus-formed wash liquor. When using said process, significant substrate cleaning results could even be obtained in the absence of any usually applied active oxygen ingredient such as perborate or percarbonate.Type: GrantFiled: April 7, 1997Date of Patent: March 16, 1999Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventor: Jean Hypolites Koek
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Patent number: 5880083Abstract: A substantially non-aqueous, free-flowing, storable liquid washing or cleaning formulation comprising:A) from more than 20 to less than 78% by weight of at least one nonionic surfactant;B) from 0.1 to 25% by weight of at least one anionic surfactant;C) from 1 to less than 20% by weight of at least one water-soluble builder; andD) from more than 20 to 35% by weight of at least one bleaching agent.Type: GrantFiled: February 14, 1997Date of Patent: March 9, 1999Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hans-Josef Beaujean, Christian Block, Rainer Hofmann, Dieter Legel, Rudolf Lind, Josef Penninger, Bernd Richter, Reiner Schackmann, Karl Schwadtke
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Patent number: 5879409Abstract: Bleach-additives and bleaching compositions comprising glycine anhydride activators are provided. The activators have the general formulas of: ##STR1## wherein R.sub.1 and R.sub.2 can be the same or different and are a substituted or unsubstituted C.sub.1 -C.sub.9 alkyl or aryl residue; or ##STR2## where n is 0 to 50, R.sub.3 is a linear or branched alkyl, aryl, or alkaryl or arylalk with C.sub.1 -C.sub.25, --H, --OH, --OR.sub.5, --COOM, or SO.sub.3 M, where M is H or alkali metal or alkaline earth metal; R.sub.4 is a linear or branched alkylene, arylene, or alkylarylene or arylalkylene with C.sub.1 -C.sub.25 ; and, R.sub.5 is a linear or branched alkyl, aryl, or alkaryl or arylalk with C.sub.1 -C.sub.25. The compositions display low soil resistivity and are formulated to provide in-use pH values of from 7 to about 9.5. Additional ingredients may include detersive surfactants, emulsifiers, chelants, and nonsoap pH reducing ingredients. Both granular and liquid compositions are provided.Type: GrantFiled: February 23, 1996Date of Patent: March 9, 1999Assignee: The Procter & Gamble CompanyInventors: Kevin Lee Kott, Alan David Willey
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Patent number: 5869440Abstract: Provided herein is a method of peroxide activation which comprises combining (1) an aqueous bleaching solution with hydrogen peroxide base, and (2) an aqueous solution containing as major components a sufficient amount of dicyandiamide for hydrogen peroxide activation, and an organic builder and/or inorganic builder, and maintaining the combined solution at alkaline pH. These solutions are stable when stored in separate containers. As needed, the solutions are mixed together. This invention is effective for bleaching soil and for removing mold, applicable for cleaning, bleaching, sterilizing or deodorizing in either domestic or industrial use.Type: GrantFiled: May 12, 1997Date of Patent: February 9, 1999Assignee: S. C. Johnson & Son, Inc.Inventors: Tsuneo Kobayashi, Masahito Mikami, Shuzo Nakamura
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Patent number: 5858949Abstract: Novel bleaches, a method for bleaching substrates using these materials and bleaching compositions containing same are reported. The bleaches are N-acylimines. Substrates such as fabrics may be bleached in an aqueous solution containing the N-acylimines and a peroxygen compound.Type: GrantFiled: April 3, 1997Date of Patent: January 12, 1999Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventor: Karl Friedrich Moschner
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Patent number: 5855622Abstract: A hydrogen peroxide-containing bleach liquor containing one or more compounds selected from organic phosphonic acids and their salts; and a water-soluble alkylamide. A bleaching method comprising using this bleach liquor or this bleach liquor deprived of the water-soluble alkylamide; and performing bleaching with the bleach liquor set at pH 10.0 to 10.7 and heated at 80.degree. to 130.degree. C. (110.degree. to 130.degree. C. in the absence of the alkylamide). The hydrogen peroxide-containing bleach liquor achieves an excellent bleaching effect without using a silicic acid-derived substance which causes a silicate-induced trouble. The bleaching method achieves an unsurpassed bleaching effect by use of the bleach liquor at a temperature in a broad range of 80.degree. to 130.degree. C. under lower alkaline conditions while curtailing the diminution of the physical properties of fibers to be bleached, whether cotton or synthetic fibers.Type: GrantFiled: October 27, 1997Date of Patent: January 5, 1999Assignee: Clariant International Ltd.Inventor: Hideo Takeuchi
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Patent number: 5855621Abstract: The transfer of a textile dye from a dyed fabric to another fabric during washing or rinsing is inhibited by adding an enzyme exhibiting peroxidase activity or an enzyme exhibiting a suitable oxidase activity to the wash liquor in which said fabrics are washed and/or rinsed. Peroxidase is produced extracellularly by some strains of Bacillus pumilus. The novel peroxidase preparation from B. pumilus is a microperoxidase, i.e. it contains hemopeptide as an active component. The preparation has improved stability at high temperature, at high pH and at high concentrations of hydrogen peroxide. It can be produced without undesired catalase activity.Type: GrantFiled: May 23, 1995Date of Patent: January 5, 1999Assignee: Novo Nordisk A/SInventors: Ture Damhus, Ole Kirk, Gitte Pedersen, Manuel Garcia Venegas
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Patent number: 5853428Abstract: The invention provides a novel composition for bleaching cellulose based materials, such as wood pulp and paper comprising:(a) an oxidatively stable bleach activator having the structure ##STR1## wherein Y.sub.1, Y.sub.3 and Y.sub.4 each represents a bridging group, i.e., zero, one, two or three carbon containing nodes for substitution, while Y.sub.2 is a bridging group of at least one carbon containing node for substitution, each said node containing a C(R), C(R.sub.1) (R.sub.2), or a C(R).sub.2 unit and each R substituent is the same or different from the remaining R substituents and is selected from the group consisting of H, alkyl, cycloalkyl, cycloalkenyl, alkenyl, aryl, alkynyl, alkylaryl, halogen, alkoxy, phenoxy, CH.sub.2 CF.sub.3, CF.sub.Type: GrantFiled: February 24, 1997Date of Patent: December 29, 1998Assignee: Carnegie Mellon UniversityInventors: Terrence J. Collins, Colin P. Horwitz
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Patent number: 5851420Abstract: This invention relates to a process of manufacturing granular sodium percarbonate and more particularly, to a process of a stable granular sodium percarbonate detergent composition having an excellent solution velocity when added to water, comprising the following steps: hydrogen peroxide solution is directly sprayed to unpurified anhydrous sodium carbonate to produce granular sodium percarbonate followed by the addition of a stabilizer having a new composition in a reactor or fluidized bed dryer, then recycling sodium percarbonate particles which are of nonuniform particle size back into the process for continuous manufacturing.Type: GrantFiled: March 1, 1996Date of Patent: December 22, 1998Assignee: Oriental Chemical IndustriesInventors: Sang Ryul Kim, Chong Yun Kwag, Hwan Kee Heo, Jong-Pill Lee
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Patent number: 5851233Abstract: The invention relates to a process for providing a bleached look in the color density of the surface of dyed fabric, especialy cellulosic fabric such as denim, comprising use of a phenol oxidizing enzyme such as a peroxidase or a laccase, a hydrogen peroxide source and a phenothiazine or phenoxazine enhancing agent represented by formula (I).Type: GrantFiled: April 25, 1997Date of Patent: December 22, 1998Assignee: Novo Nordisk A/SInventors: Anders Hjelholt Pedersen, Jesper Vallentin Kierulff
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Patent number: 5850086Abstract: A bleach and oxidation catalyst is provided comprising a catalytically active iron complex which can activate hydrogen peroxide or peroxy acids, for example.Type: GrantFiled: June 21, 1996Date of Patent: December 15, 1998Assignee: Regents of the University of MinnesotaInventors: Lawrence Que, Jr., Cheal Kim, Jinheung Kim, Yan Zang
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Patent number: 5846922Abstract: 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.Type: GrantFiled: August 23, 1996Date of Patent: December 8, 1998Assignee: Eka Chemicals ABInventors: Hans Lagnemo, Monica Jigstam
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Patent number: 5837009Abstract: A method for cotton purification is described, where the cotton is subject to a purification process in water. The process solution contains calcium hydroxide and a non-ionic detergent wetting agent. Following this processing the cotton is rendered hydrophilic. The cotton is carried in a net with simultaneous removal of the adsorbed processing solution. It is then washed and bleached with H.sub.2 O.sub.2 or ClONa in a two-stage process. The effluent water is processed by anaerobic digestion in the thermophilic region for the production of biogas. The effluent water from the anaerobic digestion process is further processed by aerobic biological treatment. The whole process operates with energy self-sufficiency without resulting in environment pollution. Finally, a high purity cotton is produced with high water absorptivity which is suitable for spinning for the production of quality cotton yarns suitable for weaving quality fabrics or dyeing.Type: GrantFiled: July 19, 1996Date of Patent: November 17, 1998Assignee: Innoval Management LimitedInventor: George N. Valkanas
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Patent number: 5833719Abstract: A process for bleaching and scouring unfinished textile materials by adding to an aqueous alkaline peroxide bath an effective amount of a surfactant composition containing(a) from about 94.0 to about 6.0% by weight of an alkyl polyglycoside having the general formula IRO(Z).sub.a (I)wherein R is a monovalent organic radical having from about 8 to about 16 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; and a is a number having a value from about 1 to about 6,(b) from about 6 to about 94% by weight of a blend of alkoxylated branched C.sub.8 -C.sub.15 alcohols, and(c) the remainder water, all weights being based on the weight of the composition;and then contacting the textile materials with the bath.Type: GrantFiled: May 1, 1997Date of Patent: November 10, 1998Assignee: Henkel CorporationInventors: Brian C. Francois, Susan C. Glenn, Howard Cole
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Patent number: 5827811Abstract: 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.Type: GrantFiled: March 21, 1997Date of Patent: October 27, 1998Assignee: EKA Chemicals ABInventors: Hans Lagnemo, Monica Jigstam, Cecilia Oddstig
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Patent number: 5820636Abstract: A process for the continuous pretreatment of cellulosic textile material comprisesa) a precleaning step wherein the treatment bath used comprises customary surfactants and other customary auxiliaries with or without customary enzymes as desizing agents and has a pH of from 5 to 11, and, after washoff and rinse,b) a bleaching step with hydrogen peroxide in an alkaline-aqueous liquor which comprises customary surfactants and other customary auxiliaries,wherefor the treatment bath of (a) additionally comprises from 1 to 10% by weight, based on the weight of the textile material,(i) either of an aminopolycarboxylic acid, of a hydroxyalkyl- or amino-phosphonic acid, of a polycarboxylic acid, of a polyhydroxycarboxylic acid or of an inorganic polymetaphosphate, or a mixture thereof, as complexing agent for polyvalent metal ions, or(ii) of a water-soluble polymer derived from 40 to 100% by weight of monoethylenically unsaturated mono- or dicarboxylic acids or anhydrides, or a mixture thereof, and has a K value of frType: GrantFiled: November 15, 1995Date of Patent: October 13, 1998Assignee: BASF AktiengesellschaftInventors: Heinz-Dieter Angstmann, Dieter Bassing, Peter Freyberg
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Patent number: 5817155Abstract: An emulsion for hair treatment is provided which is characterized by the following: the formulation (I) is composed of a W/O type emulsion, which allows the main agent to be stable, and contains preferably an oil soluble polymer compound for the emulsifier; the formulation (I), upon being mixed with formulation (II), can easily undergo demulsification and a phase inversion into an O/W type emulsion; and the emulsion has adequate viscosity to prevent dripping from the hair and a superior dyeing capability. Also, 2-formulation type oxidation hair dye with an excellent hair dyeing effect is provided by adding isostearyl alcohol.Type: GrantFiled: December 6, 1996Date of Patent: October 6, 1998Assignee: Shiseido Co., Ltd.Inventors: Masaaki Yasuda, Yasuhiro Arai, Fumiaki Matsuzaki, Toshio Yanaki, Hideo Nakajima, Michihiro Yamaguchi, Kimio Ohno
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Patent number: 5792218Abstract: Nitrile activators, such as N-alkyl ammonium acetonitrile activators, are combined with a source of active oxygen as cleaning and bleaching compositions. Preferred activator embodiments of the invention include salts of N-methyl morpholinium acetonitrile, N-butyl morpholinium acetonitrile, N-hexyl morpholinium acetonitrile, and N-octyl morpholinium acetonitrile. A particularly preferred activator embodiment is an N-methyl morpholinium acetonitrile salt. The nitrile and active oxygen react to form a bleaching agent which is applied to a stain on an article. The treated stain is contacted with dense gas so as to provide substantially non-aqueous stain removal. One embodiment is a composition in which the nitrile and active oxygen are disposed in the dense carbon dioxide.Type: GrantFiled: November 29, 1996Date of Patent: August 11, 1998Assignee: The Clorox CompanyInventors: Vincent E. Alvarez, James W. Arbogast, James E. Deline, Lafayette D. Foland, Thomas W. Kaaret, Kevin A. Klotter, Michael J. Petrin, William L. Smith, Alfred G. Zielske, James D. Mitchell
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Patent number: 5785886Abstract: A bleach system is described that includes a peroxygen compound which is hydrogen peroxide or an inorganic substance that generates hydrogen peroxide in water, a C.sub.1 -C.sub.30 imine and a transition metal catalyst. Use of the transition metal catalyst promotes the interaction of the hydrogen peroxide and imine thereby enhancing bleach performance.Type: GrantFiled: March 10, 1997Date of Patent: July 28, 1998Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Judith Lynne Kerschner, Stephen Alan Madison, Catherine Victoria Chin Quee-Smith
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Patent number: 5783550Abstract: A mold removal composition useful to remove molds adhered to furnishing and walls of homes, particularly kitchen sinks and bathroom walls, ceilings, and tiles, and a mold bleaching method are provided. The mold removal composition contains peroxide, dicyandiamide, alkali metal hydroxide or alkaline-earth metal hydroxide, and water. Its pH is 8.0-13.0.Type: GrantFiled: July 2, 1997Date of Patent: July 21, 1998Assignee: S. C. Johnson & Son, Inc.Inventors: Yasuhisa Kuriyama, Jun Kokubu, Yasuo Hiro, Yoshiko Tsuji, Tsuneo Kobayashi, Masahito Mikami, Shuzo Nakamura
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Patent number: 5783175Abstract: The invention relates to substantially dust-free bleach powders that, when mixed with aqueous hydrogen peroxide, yield activated bleach compositions that exhibit improved thixotropy. The bleach powders comprise at least one de-dusting agent and at least one peroxygenated salt. The de-dusting agents, which are preferably present in an amount less than about 10% by weight of the bleach powder are inert, substantially hydrophilic compounds selected from alkylated esters, cyclic ethers and cyclic esters. The bleach powders also comprise powdered polytetrafluoroethylene (PTFE) in an amount of about 1-5% by weight of the bleach powder. The bleach powders also comprise an ammonia source, e.g., an ammonium halide, diammonium phosphate, ammonium sulfate and mixtures thereof. Optionally, one or more hair conditioning agents, thickeners and desiccants may be added to the dust-free bleach powder.Type: GrantFiled: April 29, 1997Date of Patent: July 21, 1998Assignee: Cosmair, Inc.Inventors: Thomas M. Schultz, Michael DeGeorge, David Cannell
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Patent number: 5763382Abstract: A cold water washing formula and a method of reducing the soil load on a textile by introducing the textile and cold water into an internal assembly within a washing machine. The method includes a first break wash wherein the textile, water, and a solvent are introduced into the washing machine to initiate soil removal. In a second break wash, a surfactant and an alkali are added to the first break wash to continue the washing cycle. The combined first and second break washes are drained from the internal assembly and the textile is rinsed with water. After draining the first rinse from the internal assembly, a second rinse including ozonated water and an acid is introduced into the internal assembly. The second rinse is drained from the internal assembly and a third rinse, which includes ozonated water, is introduced into the internal assembly to rinse the textile.Type: GrantFiled: January 3, 1996Date of Patent: June 9, 1998Assignee: Cyclo3pss Textile Systems, Inc.Inventors: Theodore R. Cooper, Allyson T. Toney, John B. McParlane
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Patent number: 5759440Abstract: Aqueous solution of hydrogen peroxide stabilized by incorporation of a composition containing a mixture of an alkali metal pyrophosphate or alkaline earth metal pyrophosphate with a stabilizer belonging to the category of aminopolycarboxylic acids corresponding to the following general formula: ##STR1## where x is an integer equal to 0, 1 or 2 andy is also an integer equal to 0, 1 or 2;and salts of these acids.The solution finds application for bleaching textiles and paper pulps.Type: GrantFiled: June 7, 1995Date of Patent: June 2, 1998Assignee: Interox (Societe Anonyme)Inventor: Dirck Van Hemelrijk
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Patent number: 5755827Abstract: A method for the treatment of wool so as to impart shrink resistance and which comprises treating the wool simultaneously with permonsulphuric acid, or a salt thereof, one or more scouring or wetting agents and one or more fiber swelling or dispersing agents. In a preferred embodiment, the method of treatment further comprises subjecting the wool to a polymer treatment. The method may be operated either as a continuous or as a batch process.Type: GrantFiled: June 20, 1994Date of Patent: May 26, 1998Assignee: Precision Processes TextilesInventors: Susan Bamford, John Ellis, Kenneth Michael Huddlestone