Patents by Inventor Bernhard Schlarb
Bernhard Schlarb 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: 6794436Abstract: The present invention relates to a solvent-free pigmented formulation comprising I) a binder based on at least one copolymer P in an aqueous polymer dispersion obtainable by free-radical aqueous emulsion polymerization of a monomer mixture containing a) from 45 to 69.95% by weight of at least one monomer a) whose homopolymer has a glass transition temperature Tg of less than 20° C., b) from 30 to 54.95% by weight of at least one monomer b) whose homopolymer has a glass transition temperature Tg of more than 50° C., c) from 0.05 to 1.5% by weight of itaconic acid and/or its anhydride and/or its salts, as acidic monomer c), and d) from 0 to 2% by weight of at least one further monomer d), the sum of the % by weight of a) to d) being 100% by weight, II) at least one pigment, III) at least one pigment dispersant having an acid number to DIN 53402 of less than 600, IV) if desired, an inorganic filler, and V) customary auxiliaries.Type: GrantFiled: May 6, 2002Date of Patent: September 21, 2004Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Rolf Dersch, David Christie, Franz Weingart
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Patent number: 6734240Abstract: The present invention relates to an aqueous polymer dispersion and an adhesive for self-adherent peelable films, tapes, and labels.Type: GrantFiled: January 7, 2002Date of Patent: May 11, 2004Assignee: BASF AktiengesellschaftInventors: Christelle Staller, Karl-Heinz Schumacher, Bernhard Schlarb, Alexander Centner, Oliver Hartz
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Publication number: 20040025262Abstract: A method of treating a surface of a textile or nontextile material which comprises applying a reactive modified particulate polymer having a particle size from 10 nm to 100 &mgr;m from an aqueous dispersion to the surface of said material and drying said material.Type: ApplicationFiled: June 4, 2003Publication date: February 12, 2004Inventors: Christoph Hamers, Dieter Boeckh, Jurgen Detering, Bernhard Schlarb
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Publication number: 20030078338Abstract: The present invention relates to a solvent-free pigmented formulation comprisingType: ApplicationFiled: May 6, 2002Publication date: April 24, 2003Applicant: BASF AkiengesellschaftInventors: Bernhard Schlarb, Rolf Dersch, David Christie, Franz Weingart
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Patent number: 6492451Abstract: A pigment-comprising formulation for coating substrates, comprising: (i) an aqueous dispersion of at least one water-insoluble polymer P which has phosphonate groups, as a binder, said polymer P having a glass transition temperature Tg in the range of −60° to 80° C., (ii) at least one inorganic pigment, (iii) optionally, one or more inorganic fillers, and (iv) at least one auxiliary, wherein water-insoluble polymer P is obtained by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers comprising: 90 to 99.9% by weight of at least one monomer a, which is selected from the group consisting of vinylaromatic monomers, the esters of acrylic acid with C1-C12-alkanols, the vinyl esters of aliphatic C1-C12-monocarboxylic acids, ethylene and vinylchloride, and 0.1 to 10% by weight of at least one phosphonate group containing monomer.Type: GrantFiled: May 11, 2000Date of Patent: December 10, 2002Assignee: BASF AktiengesellschaftInventors: Rolf Dersch, Joachim Roser, Bernhard Schlarb, Cheng-Le Zhao
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Publication number: 20020161079Abstract: The present invention relates to an aqueous polymer dispersion and an adhesive for self-adherent peelable films, tapes, and labels.Type: ApplicationFiled: January 7, 2002Publication date: October 31, 2002Applicant: BASF AktiengesellschaftInventors: Christelle Staller, Karl-Heinz Schumacher, Bernhard Schlarb, Alexander Centner, Oliver Hartz
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Patent number: 6348528Abstract: Aqueous polymer dispersion comprising from 0.1 to 10 parts by weight per 100 parts by weight of polymer of an emulsifier A) having a phosphate group, wherein said emulsifier consists at least 50% by weight of ethylene oxide and propylene oxide groups and the proportion of the ethylene oxide groups and propylene oxide groups is in each case at least 10% by weight, based on the overall amount of the ethylene oxide and propylene oxide groups.Type: GrantFiled: September 12, 2000Date of Patent: February 19, 2002Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Gregor Ley, Cheng-Le Zhao, Alexander Haunschild, Maria Gyopar Rau, Rolf Dersch
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Patent number: 6335005Abstract: The use of an emulsion polymer in aqueous cosmetic compositions, wherein the emulsion polymer is obtainable by emulsion polymerization of a monomer mixture A comprising from 50 to 100% by weight, based on the monomer mixture, of C1-C18 alkyl (meth)acrylates, vinyl esters, vinylaromatic compounds or mixtures thereof in the presence of a polymer B which has been built up from b1) from 5 to 50% by weight of monomers having at least one ionic group or one group which can be converted into an ionic group, b2) from 0 to 95% by weight of C1-C18 alkyl (meth)acrylates, vinyl esters, vinylaromatic compounds or mixtures thereof, and b3) from 0 to 50% by weight of further monomers, the glass transition temperature of the polymer built up from monomer mixture A being less than or equal to that of the polymer B.Type: GrantFiled: December 23, 1999Date of Patent: January 1, 2002Assignee: BASF AktiengesellschaftInventors: Wolfgang Müller, Bernhard Schlarb, Harm Wiese, Ellen Pfrommer
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Patent number: 6218456Abstract: An aqueous polymer dispersion obtainable by emulsion polymerization of a monomer mixture A) comprising from 50 to 100% by weight of C1-C18 alkyl (meth)acrylates, vinyl esters, vinylaromatic compounds, or mixtures thereof, in the presence of a protective colloid B) composed of b1) from 2 to 40% by weight of ethylenically unsaturated copolymerizable compounds (monomers) having at least one phosphate or phosphonate group b2) from 0 to 98% by weight of C1-C18 alkyl (meth)acrylates, vinyl esters or vinylaromatic compounds b3) from 0 to 50% by weight of further monomers, the amounts by weight being based on the protective colloid.Type: GrantFiled: May 28, 1999Date of Patent: April 17, 2001Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Harm Wiese, Gerald Wildburg, Maria Gyopar Rau
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Patent number: 6020441Abstract: Polymers containing ethylenically unsaturated double bonds are hydroformylated by reacting aqueous dispersions of the polymers with hydrogen and carbon monoxide in the presence of suitable hydroformylation catalysts.Also provided are the polymer dispersions obtainable by this process and the hydroformylated polymers themselves.Type: GrantFiled: May 12, 1997Date of Patent: February 1, 2000Assignee: BASF AktiengesellschaftInventors: Edgar Zeller, Hartmann F. Leube, Bernhard Schlarb, Heinz-Josef Kneuper, Michael Roper
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Patent number: 5989630Abstract: Disclosed are a polymer in the form of particles more than 1 .mu.m in size which contain more than one void, an aqueous dispersion comprising this polymer, processes for the preparation thereof and the use thereof.Type: GrantFiled: March 6, 1998Date of Patent: November 23, 1999Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Elmar Schwarzenbach, Walter Heckmann
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Patent number: 5889101Abstract: An aqueous polymer emulsion obtainable by free radical polymerization of monomers in aqueous emulsion in the presence of a polymeric protective colloid contains, as components,from 5 to 50% by weight of at least one ethylenically unsaturated monomer having at least one acid or acid anhydride group (monomers I),from 0.1 to 80% by weight of at least one (meth)acrylate of an aliphatic alcohol of at least 10 carbon atoms (monomers II),from 0 to 94.9% by weight of main monomers selected from the group consisting of C.sub.1 -C.sub.8 -alkyl (meth)acrylates, vinyl esters of carboxylic acids of up to 20 carbon atoms, vinyl aromatics of up to 20 carbon atoms, ethylenically unsaturated nitriles, vinyl halides and aliphatic hydrocarbons having 2 to 8 carbon atoms and 1 or 2 double bonds (monomers III) andfrom 0 to 60% by weight of further monomers (monomers IV),the stated weights being based on the polymeric protective colloid.Type: GrantFiled: February 6, 1996Date of Patent: March 30, 1999Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Eberhard Schupp, Maria Gyopar Rau, Gunther Schulz, Harm Wiese
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Patent number: 5616644Abstract: Dyestuff-containing aqueous dispersions obtainable bya) preparation of at least two copolymers A) and B) in an organic solvent by solution polymerization,A) containing from 5 to 50 % by weight, based on A), of an ethylenically unsaturated acid andB) being essentially free of ethylenically unsaturated acids and the solution polymerization of the copolymers A) or B) being carried out in the presence of the other respective copolymer A) or B) already prepared,b) addition of a dyestuff before, during or after the solution polymerization,c) dispersion of the resulting solution in water andd) removal of the organic solvent if desired, are described.Type: GrantFiled: June 28, 1995Date of Patent: April 1, 1997Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Kurt Wendel, Helmut Bellaire, Karin H. Beck
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Patent number: 5441775Abstract: Aqueous dispersions containA) from 20 to 90% by weight of a dispersed polymer having a glass transition temperature above 30.degree. C. andB) from 10 to 80% by weight of a tri-, tetra-, penta-or hexa(meth)acrylate of an alkoxylated, trivalent to hexavalent alcohol having a mean degree of alkoxylation of the hydroxyl groups of the alcohol, defined as the quotient of the number of alkoxy groups to the number of hydroxyl groups, ie. the functionality of the alcohol prior to the alkoxylation, of at least 0.5,the stated weights being based on the sum of A) and B).Type: GrantFiled: May 6, 1994Date of Patent: August 15, 1995Assignee: BASF AktiengesellschaftInventors: Erich Beck, Gregor Ley, Erich Gulbins, Bernhard Schlarb, Edmund Keil, Matthias Lokai
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Patent number: 5244950Abstract: An aqueous synthetic resin dispersion consisting of (A) from 35 to 60% by weight of a synthetic resin prepared by free radical solution polymerization of a monomer mixture A1 and monomer mixture A2, wherein mixture A1 is (a) from 1.5 to 15% by weight of at least one C.sub.3-5 unsaturated monocarboxylic acid, maleic or itaconic acid or anhydride and half-esters of maleic acid or itaconic acid with a C.sub.1-8 ankanol or with glycol monoethers, (b) from 65 to 98.5% by weight of at least one C.sub.1-10 alkyl (meth)acrylate, and optionally at least one C.sub.Type: GrantFiled: October 15, 1991Date of Patent: September 14, 1993Assignee: BASF AktiengesellschaftInventors: Bernhard Schlarb, Gerhard Auchter, Peter Pfoehler