Patents by Inventor Ton Swarthoff
Ton Swarthoff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7049278Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen and a peroxyl species. A method of bleaching a substrate is provided that comprises applying to the substrate, in an aqueous medium, a specified organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by atmospheric oxygen and a peroxyl species. Also provided is a bleaching composition comprising, in an aqueous medium, atmospheric oxygen and an organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by the atmospheric oxygen, wherein the aqueous medium is provided with a peroxygen bleach or a peroxy-based or peroxy-generating bleach system.Type: GrantFiled: August 22, 2003Date of Patent: May 23, 2006Assignee: Unilever Home and Personal Care USA Division of Conopco, Inc.Inventors: Ronald Hage, Ton Swarthoff, David Tetard, David William Thornthwaite
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Publication number: 20040038844Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen and a peroxyl species. A method of bleaching a substrate is provided that comprises applying to the substrate, in an aqueous medium, a specified organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by atmospheric oxygen and a peroxyl species. Also provided is a bleaching composition comprising, in an aqueous medium, atmospheric oxygen and an organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by the atmospheric oxygen, wherein the aqueous medium is provided with a peroxygen bleach or a peroxy-based or peroxy-generating bleach system.Type: ApplicationFiled: August 22, 2003Publication date: February 26, 2004Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Ronald Hage, Ton Swarthoff, David Tetard, David William Thornthwaite
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Patent number: 6638901Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen and a peroxyl species. A method of bleaching a substrate is provided that comprises applying to the substrate, in an aqueous medium, a specified organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by atmospheric oxygen and a peroxyl species. Also provided is a bleaching composition comprising, in an aqueous medium, atmospheric oxygen and an organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by the atmospheric oxygen, wherein the aqueous medium is provided with a peroxygen bleach or a peroxy-based or peroxy-generating bleach system.Type: GrantFiled: February 28, 2001Date of Patent: October 28, 2003Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.Inventors: Ronald Hage, Ton Swarthoff, David Tetard, David William Thornthwaite
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Publication number: 20030166485Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with a bleaching catalyst in the presence of an enzymatic bleach enhancing system.Type: ApplicationFiled: February 27, 2003Publication date: September 4, 2003Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Ronald Hage, Jan Klugkist, Ton Swarthoff
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Publication number: 20030162681Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with a bleaching catalyst and peroxide in the presence of an enzymatic bleach enhancing system.Type: ApplicationFiled: February 27, 2003Publication date: August 28, 2003Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Ronald Hage, Jan Klugkist, Ton Swarthoff
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Publication number: 20030050211Abstract: There is provided an enzymatic detergent composition which comprises:Type: ApplicationFiled: May 20, 2002Publication date: March 13, 2003Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Ronald Hage, Jan Klugkist, Ton Swarthoff, Patrick Van Der Waal, Eric Charles Ehrnsperger, MyongSuk Bae-Lee
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Publication number: 20020137654Abstract: There is provided an enzymatic detergent composition which comprises: (a) surfactant; and (b) 10-20,000 LU per gram of the detergent composition of a lipolytic enzyme obtainable from Humicola lanuginosa, Pseudomonas pseudoalcaligenes, Rhizomucor miehei and (c) a non-cross-bridged polydentate N-donor ligand capable of forming a complex with a transition metal, wherein said complex is capable of catalysing the bleaching of stains on fabrics by means of atmospheric oxygen.Type: ApplicationFiled: December 11, 2001Publication date: September 26, 2002Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Ronald Hage, Jan Klugkist, Ton Swarthoff, Patrick Van Der Waal
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Patent number: 6380146Abstract: There is provided a bleaching detergent composition comprising one or more surfactants, a phenol oxidizing enzyme and a compound which acts as enhancer for the phenol oxidizing enzyme, said composition having an Enhancer Index as herein defined of at least 12 and prefereably in the range of 15-50.Type: GrantFiled: June 20, 2000Date of Patent: April 30, 2002Assignee: Unilever Home & Personal Care USA a division of Conopco, Inc.Inventors: Greta Johanna Breel, Daniel Convents, Willem Van Liemt, Ton Swarthoff, Robin Stefan Twisker
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Publication number: 20020013247Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen and a peroxyl species. A method of bleaching a substrate is provided that comprises applying to the substrate, in an aqueous medium, a specified organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by atmospheric oxygen and a peroxyl species. Also provided is a bleaching composition comprising, in an aqueous medium, atmospheric oxygen and an organic substance which forms a complex with a transition metal, the complex catalysing bleaching of the substrate by the atmospheric oxygen, wherein the aqueous medium is provided with a peroxygen bleach or a peroxy-based or peroxy-generating bleach system.Type: ApplicationFiled: February 28, 2001Publication date: January 31, 2002Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.Inventors: Ronald Hage, Ton Swarthoff, David Tetard, David William Thornthwaite
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Patent number: 6323014Abstract: There is provided a process for enhancing the activity of a phenol oxidizing enzyme, comprising adding to the enzyme, as an enhancer for the activity of the enzyme, one or more compounds having the formula: wherein: A is an optionally substituted electron-withdrawing group, chosen from the group consisting of nitrile, carboxyl, and esters and salts thereof, amides, aldehydes, ketones, sulfoxides, sulfones, or sulphonates, and B is an optionally substituted electron-donating group, chosen from the group consisting of the oxide anion, sulfide anion, oxides, amines, imines, hydroxides, sulfides, ethers, carboxylic acids, and halogen substituents, and R1-R5 may each independently represent hydrogen, hydroxy, halogen, nitroso, formyl, carboxyl, and esters and salts thereof, carbamoyl, sulfo, and esters and salts hereof, sulfamoyl, nitro, amino, phenyl, C1-C20 alkyl, C1-C8 alkoxy, carbonyl-C1-C6-alkoxy, aryl-C1-C6-alkyl, and R2 and R5 together may form an alkylene group or an alkenylene group.Type: GrantFiled: June 20, 2000Date of Patent: November 27, 2001Assignee: Unilever Home & Personal Care division of Conopco, Inc.Inventors: Greta Johanna Breel, Daniel Convents, Willem Van Liemt, Ton Swarthoff, Robin Stefan Twisker
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Publication number: 20010007852Abstract: There is provided an enzymatic bleaching detergent composition comprising a bleaching enzyme capable of generating a bleaching chemical and having a high binding affinity for stains present on fabrics, said enzyme comprising an enzyme part capable of generating a bleaching chemical which is coupled to a reagent having a high binding affinity for stains present on fabrics, characterised in that the pI of the reagent having the high binding affinity has a pI which is lower than the pH of an aqueous wash solution comprising 1 g/l of the composition.Type: ApplicationFiled: December 20, 2000Publication date: July 12, 2001Inventors: Willem Antheunisse, Cornelis Paul Van Der Logt, Neil James Parry, Ton Swarthoff
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Patent number: 6225275Abstract: A first aspect of the invention is a process for enhancing the activity of an oxidorecudtase by adding to the enzyme, certain specific compounds which are capable of enhancing the activity of said oxidoreductase enzyme. A second aspect of the invention is an enzymatic bleach composition comprising an oxidoreductase and enhancing compounds.Type: GrantFiled: June 4, 1998Date of Patent: May 1, 2001Assignee: Lever Brothers Company, division of Conopco, Inc.Inventors: Ronald Hage, Jiri Hora, Ton Swarthoff, Robin Stefan Twisker
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Patent number: 6169065Abstract: There is provided a process for enhancing the activity of an oxidoreductase, comprising adding to the enzyme, as an enhancer for the activity of said enzyme, a compound having the formula: wherein X represents (—O—) or (—S—) and R1, R2 and R3 may each independently represent hydrogen, hydroxy, halogen, nitroso, formyl, carboxyl, and esters and salts thereof, carbamoyl, sulfo, and esters and salts hereof, sulfamoyl, nitro, amino, phenyl, C1-C20 alkyl, C1-C8 alkoxy, carbonyl-C1-C6-alkoxy, aryl-C1-C6-alkyl, whereby: the carbamoyl, sulfamoyl and amino groups may be unsubstituted or substituted once or twice with hydroxy, C1-C6-alkyl, C1-C6-alkoxy, in which C1-C6-group may be saturated or unsaturated, branched or unbranched and may be substituted once or twice with halogen, nitroso, hydroxy, formyl, carboxy, and esters and salts thereof, carbamoyl, sulfo, and esters and salts hereof, sulfamoyl; and the phenyl group may be substituted with once or twice with halogen, nitrType: GrantFiled: August 27, 1998Date of Patent: January 2, 2001Assignee: Lever Brothers Company division of Conopco CompanyInventors: Willem Antheunisse, Ronald Hage, Jiri Hora, Ton Swarthoff, Robin Stefan Twisker
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Patent number: 6107264Abstract: There is provided an enzymatic bleach composition comprising one or more surfactants and an enzyme of extracellular origin, capable of oxidizing substrates by the build-in of one or more oxygen atoms into the substrate using molecular oxygen, in particular a dioxygenase from extracellular origin, and a process for bleaching stains present on fabrics comprising treating the stained fabrics with said composition.Type: GrantFiled: December 16, 1997Date of Patent: August 22, 2000Assignee: Lever Brothers Company, division of Conopco, Inc.Inventors: Marcel van der Helm, Monique van der Heiden, Dirk Herman Hondmann, Annelies Smits, Ton Swarthoff, Cornelis Theodorus Verrips
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Patent number: 5601750Abstract: An enzymatic bleach composition is provided comprising an enzymatic hydrogen peroxide-generating system and a bleach catalyst which is a coordination complex comprising manganese (Mn) and/or iron (Fe) ions, and preferably comprising a ligand L which is a macrocyclic organic compound of formula (I): ##STR1## wherein t is an integer form 2 to 3; s is an integer from 3 to 4, u is zero or one; each R.sup.1, R.sup.2 and R.sup.3 are independently selected from H, alkyl, aryl, substituted alkyl, and substituted aryl.Type: GrantFiled: September 7, 1994Date of Patent: February 11, 1997Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Todd Domke, Charles C. Nunn, Marco L. Giuseppin, Rudolf J. Martens, Ton Swarthoff, Cornelis T. Verrips
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Patent number: 5480575Abstract: A method of protecting sensitive or reactive adjuncts, preferably of the type incorporated in detergent compositions, by dissolving said adjunct in a biopolymer, thereby forming a stable particulate adjunct product comprising a molecular solid solution of adjunct in a biopolymer. Preferred adjuncts to be protected include bleach catalysts, bleach catalyst precursors, bleach precursors, enzymes, fluorescers, germicides, perfumes, anti-dye transfer and anti-dye damage agents and effervescent agents. The protected adjunct is especially useful for incorporation in non-aqueous liquid detergent compositions.Type: GrantFiled: December 1, 1993Date of Patent: January 2, 1996Assignee: Lever Brothers, Division of Conopco, Inc.Inventors: Paul A. Altieri, James Eden, Michael C. Gribnau, Leendert Hoogendijk, Lambertus B. Krijnen, Daniel B. Solarek, Ton Swarthoff
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Patent number: 5246612Abstract: A machine dishwashing composition containing a peroxygen compund as the bleaching agent and having improved bleaching action combined with excellent starch removing properties is disclosed. The compositioncontains a dinuclear manganese complex having the general formula. ##STR1## As defined in the description, as bleach catalyst and starch removing additive, in an amount corresponding to a Mn-content of from 0.0001 to about 1.0% by weight.A preferred Mn-complex is:[(Mn-TACN)Mn.sup.IV (.mu.-O).sub.3 Mn.sup.IV (Me-TACN)].sup.2+ (PF.sub.6.sup.-).sub.2 Best results are obtained when amylolytic is present in the composition.Type: GrantFiled: August 21, 1992Date of Patent: September 21, 1993Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Willem R. Van Dijk, Ton Swarthoff
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Patent number: 5246621Abstract: Novel bleach and oxidation catalysts, a method of bleaching substrates using these catalysts and bleaching (detergent) compositions containing the catalysts are reported.The catalysts are manganese complexes of formula:[L.sub.n Mn.sub.m X.sub.p ].sup.z Y.sub.qwherein Mn is manganese or iron or mixtures thereof, which can be in the II, III, IV or V oxidation state or mixtures thereof; n and m are independent integers from 1-4; X represents a co-ordination or bridging species; p is an integer from 0-12; Y is a counter-ion, the type of which is dependent upon the charge z of the complex which can be positive, zero or negative; q=z/[charge Y]; and L is a ligand being a macrocylic organic molecule.Type: GrantFiled: May 21, 1991Date of Patent: September 21, 1993Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Thomas L. F. Favre, Ronald Hage, Karin Van der Helm-Rademaker, Jean H. Koek, Rudolf J. Martens, Ton Swarthoff, Marten R. P. van Vliet
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Patent number: 5244594Abstract: Novel bleach and oxidation catalysts, a method of bleaching substrates using these catalysts and bleaching (detergent) compositions containing the catalysts are reported.The catalysts are a manganese-based co-ordination complex of the general formula:[L.sub.n Mn.sub.m X.sub.p ].sup.z Y.sub.qwherein Mn is manganese in the IV-oxidation state; n and m are independent integers from 2-8; X represents a co-ordination or bridging species; p is an integer from 0-32; Y is a counter-ion, the type of which is dependent on the charge z of the complex which can be positive, zero or negative; q=z/[charge Y]; and L is a ligand which is an organic molecule containing a number of hetero-atoms selected from N, P, O, and S, which co-ordinates via all or some of its hetero-atoms and/or carbon atoms to the Mn.sup.(IV) -center(s), which latter are anti-ferromagnetically coupled.Type: GrantFiled: May 21, 1991Date of Patent: September 14, 1993Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Thomas L. F. Favre, Ronald Hage, Karin Van der Helm-Rademaker, Jean H. Koek, Rudolf J. Martens, Ton Swarthoff, Marten R. P. van Vliet
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Patent number: 5227084Abstract: Concentrated detergent powder compositions having a bulk density of above 600 g/l, preferably at least 610 g/l, more preferably from 650 g/l to 1200 g/l, and comprising a surfactant, a detergency builder, enzymes, a peroxygen compound bleach, and a manganese complex as effective bleach catalyst are disclosed.Specifically preferred manganese complexes are:1) [Mn.sup.IV.sub.2 (.mu.--O).sub.3 (Me--TACN).sub.2 ](PF.sub.6).sub.2 and2) [Mn.sup.IV.sub.2(.mu.--O).sub.3 (MeMe--TACN).sub.2 ](PF.sub.6).sub.2Use of these catalysts can make the detergent powder more compact, i.e. reduce the pack volume, without loss of performance or even with a much better bleaching and washing powder.Type: GrantFiled: April 16, 1992Date of Patent: July 13, 1993Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Rudolf J. Martens, Ton Swarthoff, Marten R. P. van Vliet