Patents by Inventor Achim Kohler
Achim Kohler 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: 10829895Abstract: Method of making a substrate comprising cellulosic fibres such as paper comprising at least steps (a) and (b): (a) providing an aqueous suspension comprising cellulosic fibres; (b) adding to the suspension provided in step (a) an acrylate copolymer containing carboxyl groups or a salt thereof and ester groups; wherein the acrylate copolymer is the polymerization product of monomers at least selected from an acrylic acid ester of general formula I CH2?CR1—CO2R2 and an acrylic acid of general formula II CH2?CR3—COOH or a salt thereof, wherein R1 and R3 are independently selected from H, CH3, or C2H5; and R2 is a C1-10 alkyl group.Type: GrantFiled: January 13, 2017Date of Patent: November 10, 2020Assignee: Archroma IP GmbHInventors: John Cowman, Damien Julien Corpet, Paul Dekock, Achim Kohler
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Publication number: 20200308660Abstract: The present invention relates to polymorphisms indicative of altered milk fatty acid composition in female milk-producing cattle. In particular, the present invention provides methods for selecting a cattle which possesses a genotype which in female milk-producing cattle is indicative of a desired milk fatty acid composition and cattle selected by said method. Further, the present invention provides milk produced by the female milk-producing cattle, methods for selective breeding and non-human gametes. Use of a nucleic acid molecule or an oligonucleotide in an in vitro method for determining the presence of at least one allele, which in a female milk-producing cattle is indicative of a desired milk fatty acid composition, is also part of the present invention.Type: ApplicationFiled: June 27, 2017Publication date: October 1, 2020Inventors: Sigbjørn Lien, Hanne Gro Olsen, Tim Martin Knutsen, Harald Martens, Achim Kohler
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Publication number: 20190024319Abstract: Method of making a substrate comprising cellulosic fibres such as paper comprising at least steps (a) and (b): (a) providing an aqueous suspension comprising cellulosic fibres; (b) adding to the suspension provided in step (a) an acrylate copolymer containing carboxyl groups or a salt thereof and ester groups; wherein the acrylate copolymer is the polymerization product of monomers at least selected from an acrylic acid ester of general formula I CH2?CR1—CO2R2 and an acrylic acid of general formula II CH2?CR3—COOH or a salt thereof, wherein R1 and R3 are independently selected from H, CH3, or C2H5; and R2 is a C1-10 alkyl group.Type: ApplicationFiled: January 13, 2017Publication date: January 24, 2019Applicant: Archroma IP GmbHInventors: John COWMAN, Damien Julien CORPET, Paul DEKOCK, Achim KOHLER
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Patent number: 9809929Abstract: The invention relates to the use of polyesters for increasing the surface tension and improving the hydrophilic behavior of hydrophobic surfaces, wherein said polyesters are obtainable by polymerization of a) one or more unsulfonated aromatic dicarboxylic acids and/or salts thereof and/or anhydrides thereof and/or esters thereof, and b) ethylene glycol, c) 1,2-propylene glycol, and d) one or more polyalkylene glycols, and e) one or more compounds of formula (1) R1O(CHR2CHR3O)nH??(1) where R1 is a linear or branched, saturated or unsaturated alkyl group of 1 to 22 carbon atoms, preferably methyl, R2 and R3 are each independently hydrogen or an alkyl group of 1 to 4 carbon atoms, preferably hydrogen and/or methyl, and n is from 1 to 50, f) in the presence or absence of one or more crosslinking compounds having 3 to 6 functions capable of polycondensation, especially acid, alcohol or ester functions, with the proviso that said components d) are used in weight quantities <80%, based on the weight quantitType: GrantFiled: August 3, 2013Date of Patent: November 7, 2017Assignee: ARCHROMA IP GMBHInventors: Achim Kohler, Roman Morschhaeuser, John Stuart Cowman, Antonella Leone-Kammler
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Publication number: 20150240029Abstract: The present invention relates to polyester that can be obtained by polymerization of a) terephtalacid dimethylester, and b) ethylene glycol, and c) 1,2-propylene glycol, and d) one or a plurality of polyethylene glycols having weight average molecular weights in the range of 1,000 to 2,000 g/mol, and e) one methyl polyethylene glycol having a weight average molecular weight in the range of 1,050 to 1,350 g/mol, f) either when a plurality of compounds having a reticulating effect and 3 to 6 functions that are enabled for polycondensation are present or absent. The polyester according to the invention can be used in an advantageous manner, e.g. to modify hydrophobic surfaces, which can be used, e.g., in paper recycling.Type: ApplicationFiled: August 14, 2013Publication date: August 27, 2015Applicant: Clariant Finance (BVI) LimitedInventors: Dirk Fischer, Roman Morschhaeuser, Peter Naumann, Antonella Leone-Kammler, John Stuart Cowman, Achim Kohler
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Publication number: 20150204018Abstract: The invention relates to the use of polyesters for increasing the surface tension and improving the hydrophilic behavior of hydrophobic surfaces, wherein said polyesters are obtainable by polymerization of a) one or more unsulfonated aromatic dicarboxylic acids and/or salts thereof and/or anhydrides thereof and/or esters thereof, and b) ethylene glycol, c) 1,2-propylene glycol, and d) one or more polyalkylene glycols, and e) one or more compounds of formula (1) R1O(CHR2CHR3O)nH??(1) where R1 is a linear or branched, saturated or unsaturated alkyl group of 1 to 22 carbon atoms, preferably methyl, R2 and R3 are each independently hydrogen or an alkyl group of 1 to 4 carbon atoms, preferably hydrogen and/or methyl, and n is from 1 to 50, f) in the presence or absence of one or more crosslinking compounds having 3 to 6 functions capable of polycondensation, especially acid, alcohol or ester functions, with the proviso that said components d) are used in weight quantities <80%, based on the weight quType: ApplicationFiled: August 3, 2013Publication date: July 23, 2015Applicant: CLARIANT INTERNATIONAL LTD.Inventors: Achim Kohler, Roman Morschhaeuser, John Stuart Cowman, Antonella Leone-Kammler
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Patent number: 9057155Abstract: The invention relates to a method for reducing the negative effects of adhesive contaminants in the processing of waste paper, wherein an aqueous polymer dispersion comprising one component A and one component B for coagulation and detackification of stickies is added during the processing of waste paper, wherein component A is a homo- and/or copolymer of methyl methacrylate, acrylate and/or styrene and component B is a styrene copolymer having acrylic acid, maleimide and/or maleic acid hydride. The polymer dispersion can optionally comprise another component C, a cationic fixing agent that supports the coagulation of the stickies.Type: GrantFiled: June 11, 2014Date of Patent: June 16, 2015Assignee: CLARIANT FINANCE (BVI) LIMITEDInventors: Achim Kohler, John Stuart Cowman, Damien Corpet, Antonella Leone-Kammler
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Publication number: 20150027652Abstract: The instant invention relates to a method for inhibiting pitch deposition on pulping and papermaking equipment or machinery comprising adding to a pulp slurry containing pitch an effective amount of polymer dispersion comprising a component A and a component B, wherein component A being a homopolymer and/or copolymer of acrylic acid and/or its alkyl esters, or methacrylic acid and/or its alkyl esters, styrene and/or methylstyrene, vinyl acetate, itaconic acid, glycidyl methacrylate, 2-hydroxyalkyl (meth)acrylate, methacrylamide, N-hydroxyethyl(meth)acrylamide, dimethacrylate monomers, 1,3-butylene glycol dimethacrylate, ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, propylene glycol dimethacrylate, dipropylene glycol dimethacrylate, 4-methyl-1,4-pentanediol dimethacrylate, divinylbenzene and/or trivinylbenzene, and component B being an aqueous solution of a styrene copolymer with acrylic acid, maleimide and/or maleic anhydride.Type: ApplicationFiled: March 9, 2013Publication date: January 29, 2015Applicant: Clariant Inernational Ltd.Inventors: John Stuart Cowman, Achim Kohler, Antonella Leone-Kammler
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Publication number: 20140290881Abstract: The invention relates to a method for reducing the negative effects of adhesive contaminants in the processing of waste paper, wherein an aqueous polymer dispersion comprising one component A and one component B for coagulation and detackification of stickies is added during the processing of waste paper, wherein component A is a homo- and/or copolymer of methyl methacrylate, acrylate and/or styrene and component B is a styrene copolymer having acrylic acid, maleimide and/or maleic acid hydride. The polymer dispersion can optionally comprise another component C, a cationic fixing agent that supports the coagulation of the stickies.Type: ApplicationFiled: June 11, 2014Publication date: October 2, 2014Inventors: Achim KOHLER, John Stuart COWMAN, Damien CORPET, Antonella LEONE-KAMMLER
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Patent number: 8784606Abstract: The invention relates to a method for reducing the negative effects of adhesive contaminants in the processing of waste paper, wherein an aqueous polymer dispersion comprising one component A and one component B for coagulation and detackification of stickies is added during the processing of waste paper, wherein component A is a homo- and/or copolymer of methyl methacrylate, acrylate and/or styrene and component B is a styrene copolymer having acrylic acid, maleimide and/or maleic acid hydride. The polymer dispersion can optionally comprise another component C, a cationic fixing agent that supports the coagulation of the stickies.Type: GrantFiled: July 27, 2010Date of Patent: July 22, 2014Assignee: Clariant Finance (BVI) LimitedInventors: Achim Kohler, John Stuart Cowman, Damien Corpet, Antonella Leone-Kammler
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Publication number: 20120186761Abstract: The invention relates to a method for reducing the negative effects of adhesive contaminants in the processing of waste paper, wherein an aqueous polymer dispersion comprising one component A and one component B for coagulation and detackification of stickies is added during the processing of waste paper, wherein component A is a homo- and/or copolymer of methyl methacrylate, acrylate and/or styrene and component B is a styrene copolymer having acrylic acid, maleimide and/or maleic acid hydride. The polymer dispersion can optionally comprise another component C, a cationic fixing agent that supports the coagulation of the stickies.Type: ApplicationFiled: July 27, 2010Publication date: July 26, 2012Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Achim Kohler, John Stuart Cowman, Damien Corpet, Antonella Leone-Kammler
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Publication number: 20100230061Abstract: The instant invention relates to a process for the production of optically brightened paper by treating the pulp suspension with an optically brightened filler composition comprising optically brightened plastic fibres, preferably polyester fibres, which leads to a surprising high lightfastness of the resulting paper.Type: ApplicationFiled: December 22, 2006Publication date: September 16, 2010Inventor: Achim Kohler
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Patent number: 7004010Abstract: This invention relates to a method and device for measuring the penetration of gases through a package material. More specific, it relates to a method for predicting the transmission rate of the gaseous substance through the walls of a package as a function of time from a limited number of measured concentrations of the gaseous substance within the package. Even more specific, it relates to a method and device for testing the oxygen transmission rates into packages employed for instance for food or pharmaceutical products under realistic storing conditions.Type: GrantFiled: January 18, 2002Date of Patent: February 28, 2006Assignee: Difftech ASInventors: Hanne Larsen, Achim Kohler
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Publication number: 20050167064Abstract: Surface finishing of paper or board by applying an aqueous solution (Lw) of a surface-finishing active ingredient (W) to a hydrophilic paper or board sheet (B), in which (W) consists of (W1) polyethylene glycol with an average molecular weight {overscore (M)}w of>1500 and optionally at least one further additive which is a further finishing additive and/or a formulation additive, and the paper or board sheet surface-treated with (Lw) is fed through smoothing rolls and dried, the surface-finished paper and surface-finished board (Bw) produced, surface finishing agent for this purpose, and the use of the surface-finished paper or board as substrate for graphic processing.Type: ApplicationFiled: March 28, 2005Publication date: August 4, 2005Inventors: Achim Kohler, Gerd Martin, Christian Weigl, Josef Weigl
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Publication number: 20050076705Abstract: This invention relates to a method and device for measuring the penetration of gases through a package material. More specific, it relates to a method for predicting the transmission rate of the gaseous substance through the walls of a package as a function of time from a limited number of measured concentrations of the gaseous substance within the package. Even more specific, it relates to a method and device for testing the oxygen transmission rates into packages employed for instance for food or pharmaceutical products under realistic storing conditions.Type: ApplicationFiled: January 18, 2002Publication date: April 14, 2005Applicant: Difftech ASInventors: Hanne Larsen, Achim Kohler
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Patent number: 6872282Abstract: Surface finishing of paper or board by applying an aqueous solution (LW) of a surface-finishing active ingredient (W) to a hydrophilic paper or board sheet (B), in which (W) consists of (W1) polyethylene glycol with an average molecular weight {overscore (M)}W of >1500 and optionally at least one further additive which is a further finishing additive and/or a formulation additive, and the paper or board sheet surface-treated with (LW) is fed through snoothing rolls and dried, the surface-finished paper and surface-finished board (BW) produced, surface finishing agent for this purpose, and the use of the surface-finished paper or board as substrate for graphic processing.Type: GrantFiled: September 8, 2000Date of Patent: March 29, 2005Assignee: Clariant Finance (BVI) LimitedInventors: Achim Kohler, Gerd Martin, Christian Weigl, Josef Weigl
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Publication number: 20040149408Abstract: Surface finishing of paper or board by applying an aqueous solution (Lw) of a surface-finishing active ingredient (W) to a hydrophilic paper or board sheet (B),Type: ApplicationFiled: January 22, 2004Publication date: August 5, 2004Applicant: Clariant Finance (BVI) LimitedInventors: Achim Kohler, Gerd Martin, Christian Weigl, Josef Weigl
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Process for reducing sticky contaminants in stock systems containing waste paper and in coated broke
Publication number: 20010023751Abstract: The invention relates to a process for reducing sticky contaminants in stock systems containing waste paper and in coated broke, and their reuse in the manufacture of papers. In this process, both polyvinyl alcohols and bentonite are added.Type: ApplicationFiled: January 19, 2001Publication date: September 27, 2001Inventors: Achim Kohler, Peter Hentzschel, Bernd Reinhardt