Patents by Inventor Joost LESWIN
Joost LESWIN 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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Publication number: 20230348633Abstract: The present application relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers M by a multistage aqueous radical emulsion polymerization comprising a first aqueous radical emulsion polymerization step of a first monomer composition M.a and subsequently a further aqueous radical emulsion polymerization step of a second monomer composition M.b. The present application also relates to aqueous polymer dispersions obtainable by such a process and to the use thereof, in particular as a binder in coating compositions. The process comprises a multistage aqueous radical emulsion polymerization of ethylenically unsaturated monomers M, comprising a) at least one non-ionic, monoethylenically unsaturated monomer M1 having a solubility in deionized water of at most 60 g/L at 25° C.Type: ApplicationFiled: July 24, 2020Publication date: November 2, 2023Inventors: Xavier MOLLAT DU JOURDIN, Joost LESWIN, Michaela REINSCH, Nicole SPECHT, Janine EINHORN-RECH, Joerg Alexander DIMMER, Rainer PACHE, Jochen GATTERMAYER, Hans-Juergen DENU
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Publication number: 20230002634Abstract: The presently claimed invention relates to use of an aqueous polymer latex as a binder or co-binder in a waterborne coating composition, wherein the aqueous polymer latex is obtained by polymerizing a monomer composition M, comprising at least one tert-butyl acrylate and/or tertbutyl methacrylate monomer, by radical emulsion polymerization.Type: ApplicationFiled: December 14, 2020Publication date: January 5, 2023Inventors: Friederike FLEISCHHAKER, Bastiaan LOHMEIJER, Wolfgang GASCHLER, Joost LESWIN, Crispin AMIRI NAINI, Andrea MISSKE, Christoph FLECKENSTEIN, Tobias STEINBACH, Jochen GATTERMAYER, Sabine EICHHORN
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Patent number: 11427728Abstract: The present invention relates to a process for preparing an aqueous dispersion of polymer particles by radical aqueous emulsion polymerization and also to the use thereof in paints, paper coatings, foams, crop protection compositions, cosmetic compositions, liquid inks, or thermoplastic molding compounds.Type: GrantFiled: October 6, 2017Date of Patent: August 30, 2022Assignee: BASF SEInventors: Daniel Kehrloesser, Joost Leswin, Harm Wiese, Tobias Steinbach
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Patent number: 11377566Abstract: The present invention relates to aqueous binder compositions comprising an aqueous polymer latex of a film forming carboxylated polymer and a branched polyetheramine polyol dissolved in the aqueous phase of the aqueous polymer latex, wherein essentially all of the amino groups in the branched polyetheramine polyol are tertiary amine groups. The present invention also relates to water-borne coating compositions containing such an aqueous binder composition.Type: GrantFiled: January 22, 2019Date of Patent: July 5, 2022Assignee: BASF SEInventors: Xavier Mollat Du Jourdin, Jochen Gattermayer, Joost Leswin, Ivan Cabrera, Anna Maria Mueller-Cristadoro, Benedikt Crone
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Patent number: 11155663Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).Type: GrantFiled: May 3, 2017Date of Patent: October 26, 2021Assignee: BASF SEInventors: Tanja Rost, Roelof Balk, Immanuel Willerich, Sebastian Enck, Joost Leswin, Wolfgang Gaschler, Martin Robert Scheuble
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Patent number: 11118083Abstract: The present invention relates to latex paints containing a) a multistage carboxylated polymer latex binder obtainable by multistage aqueous emulsion polymerisation of at least one non-ionic monomer which is selected from C1-C20-alkyl esters of acrylic acid, C1-C20-alkylesters of methacrylic acid, and vinyl aromatic monomers; one or more monoethylenically unsaturated monomers M2, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms, and where in at least one stage, monomers M2 added in this stage is at least 6% by weight; b) a titanium dioxide pigment; c) a polymeric dispersant selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms, where the monomers make up at least 85% of the monomers forming the polymeric dispersant; and d) a thickener polymer.Type: GrantFiled: October 6, 2017Date of Patent: September 14, 2021Assignee: BASF SEInventors: Immanuel Willerich, Volodymyr Boyko, Bernd Reck, Jules Mikhael, Joost Leswin, Matthias Maier, Tanja Rost, Markus Rueckel
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Publication number: 20210163779Abstract: The present invention relates to latex paints, which contain a) a multistage carboxylated polymer latex binder obtainable by multistage aqueous emulsion polymerisation of a monomer composition M consisting of at least one non-ionic monomer M1, which is selected from C1-C20-alkyl esters of acrylic acid, C1-C20-alkylesters of methacrylic acid, and vinyl aromatic monomers; one or more monoethylenically unsaturated monomers M2, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms, and optionally one or more non-ionic monomers M3, which are different from monomers M1; where in at least one stage, the relative amount of monomers M2 in added in this stage is at least 6% by weight, based on the total amount of monomers added in said stage, the total amount of monomers M2 being from 0.Type: ApplicationFiled: October 6, 2017Publication date: June 3, 2021Applicant: BASF SEInventors: Immanuel WILLERICH, Volodymyr BOYKO, Bernd RECK, Jules MIKHAEL, Joost LESWIN, Matthias MAIER, Tanja ROST, Markus RUECKEL
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Publication number: 20200347238Abstract: The present invention relates to aqueous binder compositions comprising an aqueous polymer latex of a film forming carboxylated polymer and a branched polyetheramine polyol dissolved in the aqueous phase of the aqueous polymer latex, wherein essentially all of the amino groups in the branched polyetheramine polyol are tertiary amine groups. The present invention also relates to water-borne coating compositions containing such an aqueous binder composition.Type: ApplicationFiled: January 22, 2019Publication date: November 5, 2020Inventors: Xavier MOLLAT DU JOURDIN, Jochen GATTERMAYER, Joost LESWIN, Ivan CABRERA, Anna Maria MUELLER-CRISTADORO, Benedikt CRONE
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Patent number: 10377914Abstract: The present invention relates to a method of producing emulsion polymer particles having a core-shell structure wherein at least one polyalkylene oxide containing additive is used in the core, and also to their use in paints, paper coatings, foams, crop protection agents, liquid inks and cosmetic compositions.Type: GrantFiled: August 13, 2014Date of Patent: August 13, 2019Assignee: BASF SEInventors: Daniel Kehrloesser, Joost Leswin, Daniel Specker, Konrad Roschmann, Matthias Gerst, Harm Wiese
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Publication number: 20190241762Abstract: Disclosed herein is a latex paint containing i) a multistage carboxylated polymer latex binder, ii) a titanium dioxide pigment, and iii) a polymeric dispersant PD having a number average molecular weight, as determined by GPC, of at most 5500 Dalton. Also disclosed are methods for preparing the latex paint, and coatings containing the latex paint.Type: ApplicationFiled: October 6, 2017Publication date: August 8, 2019Applicant: BASF SEInventors: Immanuel WILLERICH, Volodymyr BOYKO, Bernd RECK, Jules MIKHAEL, Joost LESWIN, Mary THOMSON, Markus RUECKEL, Martin Robert SCHEUBLE
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Publication number: 20190218414Abstract: The present invention relates to a process for preparing an aqueous dispersion of polymer particles by radical aqueous emulsion polymerization and also to the use thereof in paints, paper coatings, foams, crop protection compositions, cosmetic compositions, liquid inks, or thermoplastic molding compounds.Type: ApplicationFiled: October 6, 2017Publication date: July 18, 2019Applicant: BASF SEInventors: Daniel KEHRLOESSER, Joost LESWIN, Harm WIESE, Tobias STEINBACH
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Publication number: 20190144585Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).Type: ApplicationFiled: May 3, 2017Publication date: May 16, 2019Applicant: BASF SEInventors: Tanja ROST, Roelof BALK, Immanuel WILLERICH, Sebastian ENCK, Joost LESWIN, Wolfgang GASCHLER, Martin Robert SCHEUBLE
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Patent number: 10000600Abstract: The present invention relates to a process for producing emulsion polymer particles having a core-shell structure, wherein the weight ratio of the shells is within specific limits, and also to their use in paints, paper coatings, foams and cosmetic compositions.Type: GrantFiled: August 18, 2014Date of Patent: June 19, 2018Assignee: BASF SEInventors: Daniel Kehrloesser, Joost Leswin, Daniel Specker, Konrad Roschmann, Matthias Gerst, Harm Wiese
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Publication number: 20160208128Abstract: The present invention relates to a method of producing emulsion polymer particles having a core-shell structure wherein at least one polyalkylene oxide containing additive is used in the core, and also to their use in paints, paper coatings, foams, crop protection agents, liquid inks and cosmetic compositions.Type: ApplicationFiled: August 13, 2014Publication date: July 21, 2016Applicant: BASF SEInventors: Daniel KEHRLOESSER, Joost LESWIN, Daniel SPECKER, Konrad ROSCHMANN, Matthias GERST, Harm WIESE
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Publication number: 20160208038Abstract: The present invention relates to a process for producing emulsion polymer particles having a core-shell structure, wherein the weight ratio of the shells is within specific limits, and also to their use in paints, paper coatings, foams and cosmetic compositions.Type: ApplicationFiled: August 18, 2014Publication date: July 21, 2016Applicant: BASF SEInventors: Daniel KEHRLOESSER, Joost LESWIN, Daniel SPECKER, Konrad ROSCHMANN, Matthias GERST, Harm WIESE