Patents by Inventor Gerhard Kögler
Gerhard Kögler 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: 11220783Abstract: The object of the invention is the use of an aqueous dispersion of a vinylacetate-ethylene-copolymer and of at least one polyethylene imine as a binder in a carpet coating composition for the production of carpets.Type: GrantFiled: November 9, 2016Date of Patent: January 11, 2022Assignee: Wacker Chemie AGInventors: Timo Melchin, Gerhard Kögler, Holger Künstle
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Publication number: 20180327966Abstract: The object of the invention is the use of an aqueous dispersion of a vinylacetate-ethylene-copolymer and of at least one polyethylene imine as a binder in a carpet coating composition for the production of carpets.Type: ApplicationFiled: November 9, 2016Publication date: November 15, 2018Inventors: Timo Melchin, Gerhard Kögler, Holger Künstle
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Patent number: 10047253Abstract: The invention relates to a method for applying dispersion adhesives containing one or more polyvinyl esters and optionally one or more additives, characterized in that one or more polyvinyl esters are produced by radical-initiated, continuous emulsion polymerization of a) one or more vinyl esters and, optionally, b) one or more additional ethylenically unsaturated monomers, and the dispersion adhesives are applied to a substrate by way of mechanical application methods.Type: GrantFiled: December 15, 2014Date of Patent: August 14, 2018Assignee: Wacker Chemie AGInventors: Muhammad Babar, Gerhard Kögler, Hans-Peter Weitzel
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Publication number: 20160312083Abstract: The invention relates to a method for applying dispersion adhesives containing one or more polyvinyl esters and optionally one or more additives, characterized in that one or more polyvinyl esters are produced by radical-initiated, continuous emulsion polymerization of a) one or more vinyl esters and, optionally, b) one or more additional ethylenically unsaturated monomers, and the dispersion adhesives are applied to a substrate by way of mechanical application methods.Type: ApplicationFiled: December 15, 2014Publication date: October 27, 2016Applicant: WACKER CHEMIE AGInventors: MUHAMMAD BABAR, GERHARD KÖGLER, HANS-PETER WEITZEL
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Publication number: 20160280974Abstract: Problems associates with the mechanical application of adhesives in the form of aqueous dispersions are substantially reduced by employing polyvinyl ester dispersions stabilized with both high and medium viscosity polyvinyl alcohols.Type: ApplicationFiled: December 15, 2014Publication date: September 29, 2016Inventors: Muhammad BABAR, Jessica SEIDEL, Gerhard KOEGLER
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Patent number: 8586686Abstract: A process for preparing a vinyl acetate-ethylene copolymer by means of free-radically initiated emulsion polymerization of vinyl acetate and ethylene and, optionally, further comonomers, performed in the presence of at least one protective colloid and at least one nonionic, ethoxylated emulsifier with an alkyl radical or at least one ethylene oxide-propylene oxide copolymer, and in the absence of chain transfer agent, and, before the initiation of the polymerization, 10% to 70% by weight of the vinyl acetate monomer and 40% to 100% by weight of the ethylene monomer are included in the initial charge, up to 100% by weight of the protective colloid fraction is included in the initial charge, at least 25% by weight of the emulsifier fraction is included in the initial charge, and the remaining fractions of monomers, protective colloid and emulsifier are metered in during the polymerization. A defined criterion of process COP is met.Type: GrantFiled: February 19, 2010Date of Patent: November 19, 2013Assignee: Wacker Chemie AGInventors: Helmut Zecha, Gerhard Kögler
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Publication number: 20130131261Abstract: The invention provides processes for preparing vinyl acetate-ethylene copolymers by means of free-radical initiated emulsion polymerization of vinyl acetate, ethylene and optionally one or more further comonomers in the presence of at least one protective colloid and optionally at least one emulsifier, characterized in that the vinyl acetate-ethylene copolymers contain 18 to 45% by weight of ethylene units, based on the total weight of the vinyl acetate-ethylene copolymers, and at least 70% by weight of ethylene units, based on the total weight of the ethylene units and of the further comonomer units of the vinyl acetate-ethylene copolymers, and the free-radical initiated emulsion polymerization is performed in the presence of A) 0.5 to 20% by weight, based on the total weight of the monomers used overall, of one or more solvents, or B) 0.1 to 20% by weight, based on the total weight of monomers used overall, of one or more solvents, and 0.Type: ApplicationFiled: July 25, 2011Publication date: May 23, 2013Applicant: Wacker Chemie AGInventors: Helmut Zecha, Gerhard Kögler
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Publication number: 20120015201Abstract: The invention provides a process for preparing vinyl acetate-ethylene copolymers by means of free-radically initiated emulsion polymerization of vinyl acetate and 18% to 34% by weight of ethylene, based on the total weight of the vinyl acetate and ethylene monomers, and, optionally, further comonomers, characterized in that polymerization takes place in the presence of at least one protective colloid and of 0.Type: ApplicationFiled: February 19, 2010Publication date: January 19, 2012Applicant: Wacker Chemie AGInventors: Helmut Zecha, Gerhard Kögler
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Patent number: 6559259Abstract: A water-soluble, crosslinkable protective colloid is provided having a molecular weight of least than 500,000 comprising: a) 20 to 959 by weight of monomer units containing sulphonic acid or sulphonate groups, b) 4 to 800 by weight of monomer units containing N-methylol or N-alkoxymethyl groups, and c) 0.1 to 20% by weight of hydrophobic monomer units such as water insoluble ethylenically unsaturated compounds and the hydrophobic end groups of initiator radicals or regulator molecules. Optionally, up to 50% by weight of the monomer units containing sulphonic acid or sulphonate groups can be replaced by monomer units containing carboxyl groups or monomer units containing amide groups.Type: GrantFiled: August 27, 2001Date of Patent: May 6, 2003Assignee: Wacker-Chemie GmbHInventors: Klaus Kohlhammer, Gerhard Koegler, Monika Rockinger, Walter Dobler
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Patent number: 6511561Abstract: Disclosed is a fiber binding powder composition for consolidating fiber materials, comprising a) a polymer powder based on a polyvinyl alcohol stabilized polymer of one or more monomers selected from the group consisting of the vinyl esters of branched or unbranched carboxylic acids having 1 to 12 carbon atoms, the esters of acrylic acid and methacrylic acid with branched or unbranched alcohols having 1 to 12 carbon atoms, aromatic vinyl compounds, vinyl halides, olefins and dienes, and b) an inorganic compound which is solid at room temperature and which enters a chemical bond with the OH groups of the polyvinyl alcohol on introduction of said powder into water.Type: GrantFiled: June 18, 1999Date of Patent: January 28, 2003Assignee: Wacker-Chemie GmbHInventors: Klaus Kohlhammer, Gerhard Koegler, Susanne Seidl, Sabine Gruber, Herbert Proebstl
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Publication number: 20020052459Abstract: Applicants herewith submit an Abstract on a separate sheet of paper numbered Page 28.Type: ApplicationFiled: August 27, 2001Publication date: May 2, 2002Applicant: Wacker-Chemie GmbHInventors: Klaus Kohlhammer, Gerhard Koegler, Monika Rockinger, Walter Dobler
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Patent number: 6316568Abstract: A water-soluble, crosslinkable protective colloid is provided having a weight-average molecular weight of least than 500,000 comprising: a) 20 to 95% by weight of monomer units containing sulphonic acid or sulphonate groups, b) 4 to 80% by weight of monomer units containing N-methylol or N-alkoxymethyl groups, and c) 0.1 to 20% by weight of hydrophobic monomer units such as water insoluble ethylenically unsaturated compounds and the hydrophobic end groups of initiator radicals or regulator molecules. Optionally, up to 50% by weight of the monomer units containing sulphonic acid or sulphonate groups can be replaced by monomer units containing carboxyl groups or monomer units containing amide groups.Type: GrantFiled: September 3, 1998Date of Patent: November 13, 2001Assignee: Wacker-Chemie GmbHInventors: Klaus Kohlammer, Gerhard Koegler, Monika Rockinger, Walter Dobler
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Patent number: 6174568Abstract: A textile binder in the form an aqueous copolymer dispersion or of a copolymer powder obtainable by means of free-radical emulsion polymerization of a) one or more monomers from the group consisting of vinyl esters, esters of acrylic acid and methacrylic acid, vinylaromatics, vinyl halides and alpha-olefins and b) from 0.01 to 10% by weight, based on the overall weight of the copolymer, of one or more monomers b1) from the group consisting of the N-(alkoxymethyl)acrylamides and N-(alkoxymethyl)-methacrylamides or one or more monomers b2) from the group consisting of N-methylolacrylamide and N-methylolmethacrylamide, or mixtures b1) and b2), where as emulsifier(s) from 0.01 to 10% by weight, based on the overall weight of the copolymer, of one or more emulsifiers from the group of the monoesters or diesters of sulfosuccinic acid with linear, unbranched or branched, or cycloaliphatic alcohols, are employed or are added to the aqueous copolymer dispersion after the end of the emulsion polymerization.Type: GrantFiled: February 5, 1999Date of Patent: January 16, 2001Assignee: Wacker-Chemie GmbHInventors: Klaus Kohlhammer, Gerhard Koegler, Andreas Lumpp, Monika Rockinger
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Patent number: 6117960Abstract: The invention concerns water-soluble cross-linkable copolymers having a molecular weight of .ltoreq.500000 and comprising a) between 20 and 95 wt. % sulphonic-acid- or sulphonate-group-containing monomer units; b) between 4 and 80 wt. % N-methylol- or N-alkoxymethyl-group containing monomer units; and c) between 0.1 and 20 wt. % hydrophobic monomer units selected from the group comprising water-insoluble ethylenically unsaturated compounds and hydrophobic end groups of initiator radicals or regulator molecules, the portions in wt. % being relative to the total weight of the copolymer. The portion of sulphonic-acid- or sulphonate-group-containing monomer units can optionally be substituted by up to 50 wt. %, relative to the portion by weight of monomer units a), by carboxyl-group-containing monomer units d) or amide-group-containing monomer units e).Type: GrantFiled: September 4, 1998Date of Patent: September 12, 2000Assignee: Wacker-Chemie GmbHInventors: Klaus Kohlhammer, Gerhard Koegler, Peter Ball, Monika Rockinger, Walter Dobler
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Patent number: 5763022Abstract: The invention provides a process for improving the resistance to solvents in finishing and stabilizing fiber materials with textile binders, wherein the textile binder used is an aqueous copolymer dispersion or a redispersible copolymer powder of copolymers with a T.sub.g of -60.degree. C. to +60.degree. C., containing (a) one or more monomer units from the group consisting of vinyl esters of unbranched or branched carboxyli acids with 1 to 12 carbon atoms, esters of acrylic acid and methacrylic acid with unbranched or branched alcohols with 1 to 12 carbon atoms, vinyl aromatics, vinyl halides and .alpha.-olefins, and (b) 0.3 to 10 wt %, relative to the total weight of the copolymer, of one or more N-(alkoxymethyl)-acrylamides or N-(alkoxymethyl)methacrylamides with a C.sub.1 -C.sub.6 alkyl residue, or mixtures of these N-(alkoxymethyl)-meth(acrylamides with N-Methylolacrylamide and/or N-methylolmethacrylamide in a weight ratio of N-methylol compound to N-(alkoxymethyl) compound of at most 5:1.Type: GrantFiled: March 12, 1997Date of Patent: June 9, 1998Assignee: Wacker-Chemie GmbHInventors: Andreas Lumpp, Gerhard Koegler
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Patent number: 5614049Abstract: Process for the stiffening of textile or leather materials, includes (a) applying an aqueous polymer dispersion to a textile structure on the basis of a woven or nonwoven fabric, or a leather material; (b) drying the textile structure or leather material; and (c) the stiffening material thus produced is deformed and glued with the textile and leather material to be stiffened, in which an aqueous dispersion of a two-phase, sealable emulsion graft copolymer having a soft phase and a hard phase is applied. The hard phase has a glass transition temperature of Tg of at least 50.degree. C. and includes monomer units such as methyl methacrylate, styrene, diisopropyl fumarate and vinyl chloride. The soft phase has a glass transition temperature Tg of at least 30.degree. C.Type: GrantFiled: April 17, 1996Date of Patent: March 25, 1997Assignee: Wacker Chemie GmbHInventors: Klaus Kohlhammer, Gerhard Koegler, Monika Schwemmer