Patents by Inventor Andreas Brockmeyer
Andreas Brockmeyer 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: 8541528Abstract: A process for producing water-absorbing polymer particles, wherein an aqueous polymer gel is dried in a forced-air belt drier on a circulating conveyor belt and the surface of the conveyor belt has a multitude of elevations or depressions which are suitable for restricting the mobility of the aqueous polymer gel in transverse direction.Type: GrantFiled: February 22, 2011Date of Patent: September 24, 2013Assignee: BASF SEInventors: Rüdiger Funk, Thomas Pfeiffer, Matthias Weismantel, Stefan Blei, Wilfried Heide, Volker Braig, Thomas Gieger, Andreas Brockmeyer
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Patent number: 8512520Abstract: A paper size which comprises a stable aqueous dispersion of a reactive size, from 5 to 100% by weight, based on the reactive size, of a substantially linear nitrogen-comprising polymer having at least 3 mmol/g of basic nitrogen atoms, and from 1 to 50% by weight of cationic starch having a degree of substitution of at least 0.05 is described. The paper size has a good sizing effect and a stable viscosity.Type: GrantFiled: November 29, 2005Date of Patent: August 20, 2013Assignee: BASF AktiengesellschaftInventors: Markus Schmid, Roland Ettl, Klaus Lorenz, Rainer Dyllick-Brenzinger, Andreas Brockmeyer
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Patent number: 8252857Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the polymer particles are coated with a chelating agent and a tannin.Type: GrantFiled: May 4, 2010Date of Patent: August 28, 2012Assignee: BASF SEInventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
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Publication number: 20120209231Abstract: Improved superabsorbent-containing textiles comprise hydrophilic fibers incorporated after application of superabsorbent. This makes it possible to provide superabsorbent on a relatively open-pore textile, but the distribution of liquid applied to the textile is distinctly improved by the hydrophilic fibers additionally incorporated.Type: ApplicationFiled: November 2, 2010Publication date: August 16, 2012Applicant: BASF SEInventors: Peter Rudolf, Andreas Brockmeyer
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Patent number: 8242191Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the acid groups have been neutralized to an extent of from 40 to 70 mol % and the polymer particles are coated with a condensed tannin and/or a hydrolyzable tannin.Type: GrantFiled: November 4, 2009Date of Patent: August 14, 2012Assignee: BASF SEInventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
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Publication number: 20120085971Abstract: A process for producing thermally surface postcrosslinked water-absorbing polymer particles, wherein the water-absorbing polymer particles are coated before, during or after the thermal surface postcrosslinking with at least one polyvalent metal salt, and the polyvalent metal salt comprises the anion of glycolic acid or the anion of a glycolic acid derivative.Type: ApplicationFiled: October 5, 2011Publication date: April 12, 2012Applicant: BASF SEInventors: Thomas Daniel, Christophe Bauduin, Andreas Brockmeyer, Patrick Hamilton
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Patent number: 8097124Abstract: Aqueous alkyl ketene dimer dispersions which comprise at least 15% by weight of an alkyl ketene dimer and at least one water-soluble cationic starch, aluminum sulfate and at least one condensate of naphthalenesulfonic acid and formaldehyde or lignin sulfonic acid or in each case salts thereof, the dispersions comprising, based in each case on alkyl ketene dimer, from 2 to 50% by weight of aluminum sulfate, and in which the dispersions additionally comprise from 0.1 to 5% by weight of a saturated carboxylic acid having 1 to 10 carbon atoms, benzenesulfonic acid, p-toluenesulfonic acid and/or a mineral acid at an aluminum sulfate content of from 2 to 15% by weight, and the use of the dispersions as engine size and surface size for paper and paper products.Type: GrantFiled: June 1, 2007Date of Patent: January 17, 2012Assignee: BASF AktiengesellschaftInventors: Christoph Hamers, Andreas Brockmeyer, Markus Schmid, Klaus Lorenz, Ulrich Riebeling
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Patent number: 8039549Abstract: A process for the preparation of aqueous polymer dispersions comprising at least one lipophilic active substance by emulsion polymerization of ethylenically unsaturated monomers in an aqueous medium in the presence of at least one lipophilic active substance, wherein (i) at least one lipophilic active substance which has a water solubility of not more than 5 g/l (determined at 25° C. and 1013 mbar) and a melting point below 130° C.Type: GrantFiled: June 5, 2007Date of Patent: October 18, 2011Assignee: BASF AktiengesellschaftInventors: Andreas Brockmeyer, Roland Ettl, Rainer Dyllick-Brenzinger
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Publication number: 20100324178Abstract: Finely divided starch-containing polymer dispersions which are obtainable by free radical emulsion copolymerization of ethylenically unsaturated monomers in the presence of a redox initiator and an enzymatically degraded starch, the enzymatic starch degradation being stopped by adding an acid comprising at least one phosphorus atom to the reaction mixture, use of an acid comprising at least one phosphorus atom for stopping the enzymatic degradation of starch and use of the finely divided, starch-containing polymer dispersions of emulsion polymers as size for paper and paper products, in particular as surface size.Type: ApplicationFiled: December 11, 2007Publication date: December 23, 2010Applicant: BASF SEInventors: Andreas Brockmeyer, Titus Leman, Roland Ettl
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Publication number: 20100292078Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the polymer particles are coated with a chelating agent and a tannin.Type: ApplicationFiled: May 4, 2010Publication date: November 18, 2010Applicant: BASF SEInventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
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Publication number: 20100236736Abstract: Finely divided, starch-containing polymer dispersions which are obtainable by free radical emulsion copolymerization of (a) from 25 to 50% by weight of at least one optionally substituted styrene, methyl methacrylate, acrylonitrile and/or methacrylonitrile, (b) from 1 to 49% by weight of at least one C1-C4-alkyl acrylate and/or one C2-C4-alkyl methacrylate, (c) from 1 to 49% by weight of at least one C5-C22-alkyl acrylate and/or one C5-C22-alkyl methacrylate and (d) from 0 to 10% by weight of at least one other ethylenically unsaturated copolymerizable monomer and (e) from 15 to 40% by weight of a degradable starch which has a molar mass Mw of from 1000 to 65 000 the sum (a)+(b)+(c)+(d)+(e) being 100% and being based on the total solids content, in the presence of redox initiators and at least 0.Type: ApplicationFiled: June 23, 2006Publication date: September 23, 2010Applicant: BASF AktiengesellschaftInventors: Andreas Brockmeyer, Hildegard Stein, Roland Ettl
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Publication number: 20100178513Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomer bearing acid groups, said acid groups having been neutralized to an extent of 40 to 70 mol % and the polymer particles being coated with a chelating agent.Type: ApplicationFiled: January 7, 2010Publication date: July 15, 2010Applicant: BASF SEInventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
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Publication number: 20100166985Abstract: Aqueous dispersions of (meth)acrylic esters of polymers comprising N-hydroxyalkylated lactam units and obtainable by free-radically initiated emulsion polymerization, wherein monomers copolymerized are (a) styrene, acrylonitrile, methacrylonitrile and/or methyl methacrylate, (b) at least one C1 to C18 alkyl acrylate and/or at least one C2 to C18 alkyl methacrylate, (c) at least one acrylic ester of an N-hydroxyalkylated lactam and/or at least one methacrylic ester of an N-hydroxyalkylated lactam, and (d) if appropriate, other ethylenically unsaturated monomers, and use of these aqueous dispersions and/or of polymers which comprise in copolymerized form at least one acrylic ester of an N-hydroxyalkylated lactam and/or at least one methacrylic ester of an N-hydroxyalkylated lactam for treating the surface of paper and of paper products, and also the inkjet papers obtainable accordingly.Type: ApplicationFiled: May 15, 2008Publication date: July 1, 2010Applicant: BASF SEInventors: Andreas Brockmeyer, Roland Ettl, Yvonne Dieckmann, Maximilian Angel
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Publication number: 20100119830Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the acid groups have been neutralized to an extent of from 40 to 70 mol % and the polymer particles are coated with a condensed tannin and/or a hydrolyzable tannin.Type: ApplicationFiled: November 4, 2009Publication date: May 13, 2010Applicant: BASF SEInventors: Volker Braig, Thomas Daniel, Axel Jentzsch, Andreas Brockmeyer
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Publication number: 20100022701Abstract: Finely divided, cationic polymer dispersions which are obtainable by emulsion polymerization of ethylenically unsaturated monomers in an aqueous solution of a cationic prepolymer as a dispersant, wherein a cationic prepolymer is first prepared by polymerization of (a) from 10 to 45% by weight of at least one (meth)acrylate which has an amino group and/or a quaternary ammonium group, and/or one (meth)acrylamide which carries an amino group and/or a quaternary ammonium group, (b) from 40 to 85% by weight of at least one optionally substituted styrene, (c) from 0 to 20% by weight of acrylonitrile or methacrylonitrile, (d) from 1 to 15% by weight of at least one ethylenically unsaturated carboxylic acid or one ethylenically unsaturated carboxylic anhydride and (e) from 0 to 20% by weight of at least one nonionic, ethylenically unsaturated monomer differing from the monomers (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a water-miscible organic solvent, and theType: ApplicationFiled: December 11, 2007Publication date: January 28, 2010Applicant: BASF SEInventors: Andreas Brockmeyer, Titus Leman, Roland Ettl
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Publication number: 20100016478Abstract: Paper size mixtures comprising a reactive size dispersed in water and a polymer, which are obtainable by mixing (a) an aqueous dispersion of a reactive size whose dispersed particles have a mean particle diameter of less than 500 nm, the dispersion being obtainable by emulsifying at least one reactive size in water in the presence of at least one surfactant, and (b) at least one emulsion polymer and/or at least one water-soluble polymer which does not have a dispersing effect with respect to reactive sizes and/or a water-dispersible polymer, and use of said paper size mixtures for the engine sizing and surface sizing of paper and paper products.Type: ApplicationFiled: December 11, 2007Publication date: January 21, 2010Applicant: BASF SEInventors: Andreas Brockmeyer, Roland Ettl, Rainer Dyllick-Brenzinger
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Publication number: 20090188054Abstract: Aqueous alkenylsuccinic anhydride-containing polymer dispersions which are obtainable by miniemulsion polymerization of hydrophobic monoethylenically unsaturated monomers in the presence of alkenylsuccinic anhydrides, processes for the preparation of such polymer dispersions by polymerizing hydrophobic monomers by a miniemulsion polymerization method in the presence of at least one alkenylsuccinic anhydride and, if appropriate, an alkyldiketene, and use of the resulting aqueous alkenylsuccinic anhydride-containing polymer dispersions as engine and surface sizes for paper and for imparting water repellency to leather, natural and/or synthetic fibers and textiles.Type: ApplicationFiled: January 14, 2005Publication date: July 30, 2009Applicant: BASF AktiengesellschaftInventors: Rainer Dyllick-Brenzinger, Reinhold J. Leyrer, Andreas Brockmeyer, Markus Schmid, Roland Ettl
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Publication number: 20090178773Abstract: A process for the preparation of aqueous polymer dispersions comprising at least one lipophilic active substance by emulsion polymerization of ethylenically unsaturated monomers in an aqueous medium in the presence of at least one lipophilic active substance, wherein (i) at least one lipophilic active substance which has a water solubility of not more than 5 g/l (determined at 25° C. and 1013 mbar) and a melting point below 130° C.Type: ApplicationFiled: June 5, 2007Publication date: July 16, 2009Applicant: BASF SEInventors: Andreas Brockmeyer, Roland Ettl, Rainer Dyllick-Brenzinger
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Publication number: 20090139677Abstract: Aqueous alkyl ketene dimer dispersions which comprise at least 15% by weight of an alkyl ketene dimer and at least one water-soluble cationic starch, aluminum sulfate and at least one condensate of naphthalenesulfonic acid and formaldehyde or lignin sulfonic acid or in each case salts thereof, the dispersions comprising, based in each case on alkyl ketene dimer, from 2 to 50% by weight of aluminum sulfate, and in which the dispersions additionally comprise from 0.1 to 5% by weight of a saturated carboxylic acid having 1 to 10 carbon atoms, benzenesulfonic acid, p-toluenesulfonic acid and/or a mineral acid at an aluminum sulfate content of from 2 to 15% by weight, and the use of the dispersions as engine size and surface size for paper and paper products.Type: ApplicationFiled: June 1, 2007Publication date: June 4, 2009Applicant: BASF SEInventors: Christoph Hamers, Andreas Brockmeyer, Markus Schmid, Klaus Lorenz, Ulrich Riebeling
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Publication number: 20090073801Abstract: Process for producing finely divided liquid-liquid formulations and apparatus for producing the same, comprising a) a baffle having at least one inlet nozzle and a baffle having at least one outlet nozzle, the nozzles being arranged axially with respect to one another, a static mixer being located in the space between the baffles, and there being, additionally, if appropriate, mechanical introduction of energy, or b) a baffle having at least one inlet nozzle and an impingement plate, there being, if appropriate, in the space between the baffle and the impingement plate a static mixer and/or mechanical introduction of energy.Type: ApplicationFiled: November 15, 2005Publication date: March 19, 2009Applicant: Basf AktiengesellschaftInventors: Thomas Danner, Rainer Dyllick-Brenzinger, Markus Schmid, Andreas Bauder, Wolfgang Kanther, Chrys Fechtenkotter, Andreas Brockmeyer, Matthias Hone