Patents by Inventor Martin Winklbauer
Martin Winklbauer 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: 11685696Abstract: The present invention relates to a process for producing a redispersible dispersion powder, to the redispersible dispersion powder obtainable by this process, to an aqueous dispersion obtainable by step (1) of this process, and to a building material composition comprising the redispersible dispersion powder and/or the aqueous dispersion, to the use of the redispersible dispersion powder in a building material composition and to the use of the aqueous dispersion for production of a redispersible dispersion powder.Type: GrantFiled: June 6, 2018Date of Patent: June 27, 2023Inventors: Christian Schmidtke, Ekkehard Jahns, Torben Gaedt, Martin Winklbauer, Klaus Seip, Iris Loescher
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Publication number: 20210340337Abstract: Provided herein are dispersible copolymer powders and asphalt compositions comprising the same. The dispersible copolymer powders comprise a core polymer having a glass transition temperature (Tg) of 40° C. or less and a shell comprising a water soluble protective colloid polymer having a Tg of 50° C. or greater. The core polymer can be derived from a vinyl aromatic monomer, a 1,3-diene monomer, and optionally one or more ethylenically-unsaturated monomers. The protective colloid polymer can be selected from a polyvinyl alcohol, a polyvinyl pyrrolidone, a polysaccharide, other water soluble polymers, or a combination thereof. Methods of preparing a styrene-butadiene modified asphalt without significantly increasing the viscosity, comprising adding the dispersible copolymer powder to an asphalt composition, wherein the addition of the copolymer polymer increases the viscosity of the asphalt by 100% or less at 135° C. within 2 hours of mixing are also described herein.Type: ApplicationFiled: September 25, 2019Publication date: November 4, 2021Applicants: BASF SE, BASF SEInventors: Kostas S. AVRAMIDIS, Torben GAEDT, Martin WINKLBAUER, Christian SCHMIDTKE, Sophie PUTZIEN, Susanne SCHNEIDER
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Patent number: 10865144Abstract: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.Type: GrantFiled: March 3, 2016Date of Patent: December 15, 2020Assignee: BASF SEInventors: Torben Gaedt, Joachim Dengler, Martin Winklbauer, Manfred Bichler, Oliver Mazanec
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Publication number: 20200207671Abstract: The present invention relates to a process for producing a redispersible dispersion powder, to the redispersible dispersion powder obtainable by this process, to an aqueous dispersion obtainable by step (1) of this process, and to a building material composition comprising the redispersible dispersion powder and/or the aqueous dispersion, to the use of the redispersible dispersion powder in a building material composition and to the use of the aqueous dispersion for production of a redispersible dispersion powder.Type: ApplicationFiled: June 6, 2018Publication date: July 2, 2020Applicant: BASF SEInventors: Christian SCHMIDTKE, Ekkehard JAHNS, Torben GAEDT, Martin WINKLBAUER, Klaus SEIP, Iris LOESCHER
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Patent number: 10144673Abstract: The invention relates to a method for producing a calcium silicate hydrate-comprising hardening accelerator in powder form, which comprises the steps of (a) providing an aqueous suspension comprising calcium silicate hydrate; (b) mixing at least one calcium compound, selected from calcium acetate, calcium formate, calcium hydroxide, calcium oxide, and mixtures of two or more of said compounds, with the aqueous suspension comprising calcium silicate hydrate; and (c) drying the resulting mixture. The invention also relates to the hardening accelerator obtainable by this method, to the use thereof, and to building material mixtures which comprise the hardening accelerator.Type: GrantFiled: April 20, 2016Date of Patent: December 4, 2018Assignee: BASF SEInventors: Manfred Bichler, Martin Winklbauer, Torben Gaedt, Joachim Dengler, Christoph Hesse, Bernhard Mayr
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Patent number: 10131578Abstract: The invention relates to a dispersant comprising a polymer obtainable by copolymerization of monomers including 5 to 80 mol % of a hydroxyalkyl acrylate phosphate and/or hydroxyalkylacrylamide phosphate (monomer 1), 0 to 20 mol % of a di(hydroxyalkyl acrylate) phosphate and/or di(hydroxyalkylacrylamide) phosphate (monomer 2) and 1 to 80 mol % of a polyalkylene glycol-containing macromonomer comprising an alkene group (monomer 3). Further disclosed is a process for preparing the polymers of the invention and the use thereof as dispersants in calcium sulphate-containing compositions. A further aspect of the invention is a process for producing shaped gypsum bodies, and also shaped gypsum bodies, more particularly gypsum plasterboards and self-levelling screeds, comprising the dispersant of the invention.Type: GrantFiled: July 10, 2014Date of Patent: November 20, 2018Assignee: BASF SEInventors: Torben Gaedt, Martin Winklbauer, Harald Grassl, Michael Schinabeck, Nina Susanne Hillesheim, Antonia Grafetstetter
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Patent number: 10065891Abstract: The invention relates to a polymer which is obtainable by copolymerizing monomers comprising at least one ethylenically unsaturated monomer which comprises at least one acid group and at least one ethylenically unsaturated monomer (II) having polyether groups with 5 to 35 repeating units and at least one ethylenically unsaturated monomer (III) having polyether groups with 45 to 150 repeating units, the molar ratio of monomer (II) to monomer (III) being between 75:25 and 99.5:0.5. Further disclosed are the use of the polymer of the invention as an admixture for inorganic binder compositions, and a composition in powder form comprising an inorganic binder and the polymer of the invention.Type: GrantFiled: November 3, 2015Date of Patent: September 4, 2018Assignee: BASF SEInventors: Manfred Bichler, Martin Winklbauer, Joachim Dengler
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Publication number: 20180230052Abstract: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.Type: ApplicationFiled: March 3, 2016Publication date: August 16, 2018Applicant: BASF SEInventors: Torben GAEDT, Joachim DENGLER, Martin WINKLBAUER, Manfred BICHLER, Oliver MAZANEC
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Publication number: 20180050962Abstract: The invention relates to a method for producing a calcium silicate hydrate-comprising hardening accelerator in powder form, which comprises the steps of (a) providing an aqueous suspension comprising calcium silicate hydrate; (b) mixing at least one calcium compound, selected from calcium acetate, calcium formate, calcium hydroxide, calcium oxide, and mixtures of two or more of said compounds, with the aqueous suspension comprising calcium silicate hydrate; and (c) drying the resulting mixture. The invention also relates to the hardening accelerator obtainable by this method, to the use thereof, and to building material mixtures which comprise the hardening accelerator.Type: ApplicationFiled: April 20, 2016Publication date: February 22, 2018Inventors: Manfred BICHLER, Martin WINKLBAUER, Torben GAEDT, Joachim DENGLER, Christoph HESSE, Bernhard MAYR
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Publication number: 20180044238Abstract: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.Type: ApplicationFiled: March 3, 2016Publication date: February 15, 2018Applicant: BASF SEInventors: Torben GAEDT, Joachim DENGLER, Martin WINKLBAUER, Manfred BICHLER, Oliver MAZANEC
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Publication number: 20170320778Abstract: The invention relates to a polymer which is obtainable by copolymerizing monomers comprising at least one ethylenically unsaturated monomer which comprises at least one acid group and at least one ethylenically unsaturated monomer (II) having polyether groups with 5 to 35 repeating units and at least one ethylenically unsaturated monomer (III) having polyether groups with 45 to 150 repeating units, the molar ratio of monomer (II) to monomer (III) being between 75:25 and 99.5:0.5. Further disclosed are the use of the polymer of the invention as an admixture for inorganic binder compositions, and a composition in powder form comprising an inorganic binder and the polymer of the invention.Type: ApplicationFiled: November 3, 2015Publication date: November 9, 2017Inventors: Manfred BICHLER, Martin WINKLBAUER, Joachim DENGLER
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Patent number: 9802864Abstract: The invention relates to an additive which can be used as a hardening accelerator for hydraulically setting compositions, comprising a) at least one polymeric dispersant comprising structural units having anionic or anionogenic groups and structural units having polyether side chains, b) at least one sulfonic acid compound of the formula (I) in which A1 is NH2, NHMe, NMe2, N(CH2—CH2—OH)2, CH3, C2H5, CH2—CH2—OH, phenyl, or p-CH3-phenyl and Kn+ is an alkali metal cation, or one equivalent of a cation selected from Ca2+, Mg2+, Sr2+, Ba2+, Zn2+, Fe2+, Fe3+, Al3+, Mn2+, or Cu2+, and c) calcium silicate hydrate particles.Type: GrantFiled: January 27, 2014Date of Patent: October 31, 2017Assignee: BASF SEInventors: Christoph Hesse, Manfred Bichler, Alexander Kraus, Luc Nicoleau, Torben Gädt, Martin Winklbauer
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Patent number: 9796628Abstract: The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one salt of a mono- or polyvalent metal cation and of at least one compound which is able to release an anion which forms a low-solubility salt with the metal cation, and of at least one polymeric sulphonated dispersant. The additive is suitable particularly as a slump retainer.Type: GrantFiled: January 20, 2015Date of Patent: October 24, 2017Assignee: Construction Research & Technology, GmbHInventors: Torben Gädt, Harald Grassl, Luc Nicoleau, Joachim Dengler, Martin Winklbauer
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Patent number: 9777133Abstract: The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one water-soluble salt of a polyvalent metal cation, at least one compound capable of releasing an anion which forms a sparingly soluble salt with the polyvalent metal cation, and at least one polymeric dispersant which comprises anionic and/or anionogenic groups and polyether side chains.Type: GrantFiled: February 26, 2014Date of Patent: October 3, 2017Assignee: Construction Research & Technology, GmbHInventors: Torben Gädt, Harald Grassl, Alexander Kraus, Luc Nicoleau, Martin Winklbauer
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Publication number: 20170022108Abstract: The invention relates to a composition comprising at least 10 wt. % of a binder based on calcium sulfate and 0.005 to 5 wt. % of an additive made of at least one water-soluble salt of a multivalent metal cation, at least one compound which is capable of releasing an anion that forms a poorly soluble salt together with the multivalent metal cation, and at least one polymer dispersant which comprises anionic and/or anionogenic groups and polyether side chains. The invention further relates to a method for producing said composition and to the use thereof as a calcium sulfate flow screed, a flowable calcium sulfate filler compound, or an earth-moist calcium sulfate screed.Type: ApplicationFiled: January 9, 2015Publication date: January 26, 2017Applicant: BASF SEInventors: Torben GAEDT, Harald GRASSL, Martin WINKLBAUER, Oliver MAZANEC
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Publication number: 20160332914Abstract: The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one salt of a mono- or polyvalent metal cation and of at least one compound which is able to release an anion which forms a low-solubility salt with the metal cation, and of at least one polymeric sulphonated dispersant. The additive is suitable particularly as a slump retainer.Type: ApplicationFiled: January 20, 2015Publication date: November 17, 2016Inventors: Torben GÄDT, Harald GRASSL, Luc NICOLEAU, Joachim DENGLER, Martin WINKLBAUER
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Publication number: 20160122243Abstract: The invention relates to a dispersant comprising a polymer obtainable by copolymerization of monomers including 5 to 80 mol % of a hydroxyalkyl acrylate phosphate and/or hydroxyalkylacrylamide phosphate (monomer 1), 0 to 20 mol % of a di(hydroxyalkyl acrylate) phosphate and/or di(hydroxyalkylacrylamide) phosphate (monomer 2) and 1 to 80 mol % of a polyalkylene glycol-containing macromonomer comprising an alkene group (monomer 3). Further disclosed is a process for preparing the polymers of the invention and the use thereof as dispersants in calcium sulphate-containing compositions. A further aspect of the invention is a process for producing shaped gypsum bodies, and also shaped gypsum bodies, more particularly gypsum plasterboards and self-levelling screeds, comprising the dispersant of the invention.Type: ApplicationFiled: July 10, 2014Publication date: May 5, 2016Inventors: Torben Gaedt, Martin Winklbauer, Harald Grassl, Michael Schinabeck, Nina Susanne Hillesheim, Antonia Grafetstetter
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Publication number: 20160002435Abstract: The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one water-soluble salt of a polyvalent metal cation, at least one compound capable of releasing an anion which forms a sparingly soluble salt with the polyvalent metal cation, and at least one polymeric dispersant which comprises anionic and/or anionogenic groups and polyether side chains.Type: ApplicationFiled: February 26, 2014Publication date: January 7, 2016Inventors: Torben GÄDT, Harald GRASSL, Alexander KRAUS, Luc NICOLEAU, Martin WINKLBAUER
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Publication number: 20150344368Abstract: The invention relates to an additive which can be used as a hardening accelerator for hydraulically setting compositions, comprising a) at least one polymeric dispersant comprising structural units having anionic or anionogenic groups and structural units having polyether side chains, b) at least one sulfonic acid compound of the formula (I) in which A1 is NH2, NHMe, NMe2, N(CH2—CH2—OH)2, CH3, C2H5, CH2—CH2—OH, phenyl, or p-CH3-phenyl and Kn+ is an alkali metal cation, or one equivalent of a cation selected from Ca2+, Mg2+, Sr2+, Ba2+, Zn2+, Fe2+, Fe3+, Al3+, Mn2+, or Cu2+, and c) calcium silicate hydrate particles.Type: ApplicationFiled: January 27, 2014Publication date: December 3, 2015Inventors: Christoph HESSE, Manfred BICHLER, Alexander KRAUS, Luc NICOLEAU, Torben GÄDT, Martin WINKLBAUER
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Patent number: 8754150Abstract: The invention relates to a copolymer which can be used as a superplasticizer for hydraulic binders and comprises 30 to 47 mol % of a (meth)allyl alcohol polyether derivative structural unit and 53 to 70 mol % of a maleic acid derivative structural unit.Type: GrantFiled: January 12, 2009Date of Patent: June 17, 2014Assignee: Construction Research & Technology GmbHInventors: Silke Flakus, Klaus Lorenz, Gerhard Albrecht, Helmut Mack, Angelika Hartl, Martin Winklbauer, Petra Wagner, Barbara Wimmer, Christian Scholz