Patents by Inventor Helmut Witteler

Helmut Witteler 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).

  • Publication number: 20200346147
    Abstract: The use of polystyrene-containing polymers as filter aids and/or stabilizers for the filtration or stabilization of aqueous liquids, and also novel particulate polymers which are insoluble in water and scarcely swellable are claimed.
    Type: Application
    Filed: March 12, 2020
    Publication date: November 5, 2020
    Inventors: CHRISTIAN DROHMANN, Helmut Witteler, Axel Sanner, Jürgen Ziehl, Elisa Hamm De Bantleon, Tobias Petsch, Klemens Mathauer, Barbara Lebtig
  • Publication number: 20200270550
    Abstract: The present invention provides a method of manufacturing an automatic dishwashing detergent product, said product being provided as a discrete dosage unit and comprising a continuous, non-aqueous gel phase, comprising manufacturing said gel phase by a method comprising free radical polymerisation of monomer(s) in a non-aqueous reaction mixture to form a polymeric builder; wherein said reaction mixture comprises: at least one non-ionic surfactant which is an optionally end-capped alcohol alkoxylate; and one or more monomers comprising acrylic acid and optionally one or more further ?,?-ethylenically unsaturated acids, wherein no more than 0.1 wt % of the total amount of the monomer(s) are crosslinking monomer(s).
    Type: Application
    Filed: May 13, 2020
    Publication date: August 27, 2020
    Inventors: Pavlinka Roy, Claudia Schmaelzle, Caroline Rigobert, Heike Weber, Helmut Witteler, Yannick Fuchs, Roland Bohn
  • Patent number: 10709645
    Abstract: The present invention relates to microcapsules comprising a capsule core and a capsule shell wherein the capsule shell comprises a core surrounding layer of a polyvinyl alcohol and an adjacent layer of a polyoxazoline, a process of their production and their use.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: July 14, 2020
    Assignees: BASF SE, BASF Grenzach GmbH
    Inventors: Ewelina Burakowska-Meise, Valeria Bem, Roland Hinrich Staff, Brigitte Lindemann, Helmut Witteler
  • Patent number: 10695734
    Abstract: Provided herein are microcapsules as core-shell-particles, including a polymeric shell, a method of making them, a dispersion of the microcapsules in a liquid medium and a method of using thereof. The microcapsules include a core that contains a hydrophilic component.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: June 30, 2020
    Assignee: BASF SE
    Inventors: Yannick Fuchs, Helmut Witteler, Matthias Bratz
  • Patent number: 10689604
    Abstract: The present invention provides a method of manufacturing an automatic dishwashing detergent product, said product being provided as a discrete dosage unit and comprising a continuous, non-aqueous gel phase, comprising manufacturing said gel phase by a method comprising free radical polymerisation of monomer(s) in a non-aqueous reaction mixture to form a polymeric builder; wherein said reaction mixture comprises: at least one non-ionic surfactant which is an optionally end-capped alcohol alkoxylate; and one or more monomers comprising acrylic acid and optionally one or more further ?,?-ethylenically unsaturated acids, wherein no more than 0.1 wt % of the total amount of the monomer(s) are crosslinking monomer(s).
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: June 23, 2020
    Assignee: Reckitt Benckiser Finish B.V.
    Inventors: Pavlinka Roy, Claudia Schmaelzle, Caroline Rigobert, Heike Weber, Helmut Witteler, Yannick Fuchs, Roland Bohn
  • Patent number: 10655088
    Abstract: The present invention relates to a process for preparing a polymer composition, in which an ?,?-ethylenically unsaturated carboxylic acid is subjected to a free-radical polymerization in the presence of at least one polyether component, to the polymer composition obtainable by this process and to the use thereof.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: May 19, 2020
    Assignee: BASF SE
    Inventors: Yannick Fuchs, Helmut Witteler, Heike Weber, Alejandra Garcia Marcos, Jürgen Detering
  • Patent number: 10647945
    Abstract: The invention relates to the use of a gel-like polymer composition, which is produced by means of a radical polymerization of an [alpha],[beta]-ethylenically unsaturated acid in the presence of at least one polyether component, in formulations for automatic dishwashing (ADW).
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: May 12, 2020
    Assignee: BASF SE
    Inventors: Heike Weber, Yannick Fuchs, Helmut Witteler, Roland Boehn, Ralph Rieger
  • Publication number: 20200086616
    Abstract: Described herein is a multilayer film including at least one layer including a polymer composition obtainable by free-radical polymerization of a monomer composition including at least one monomer A) selected from ?,?-ethylenically unsaturated mono- and dicarboxylic acids, salts of ?,?-ethylenically unsaturated mono- and dicarboxylic acids, anhydrides of ?,?-ethylenically unsaturated mono- and dicarboxylic acids and mixtures thereof, where the free-radical polymerization is effected in the presence of at least one polyether component. Also described herein is a process for producing the multilayer film, methods of using the multilayer film and a sheath or coating for a washing composition, cleaning composition or dishwashing composition portion including the multilayer film, and to washing compositions, cleaning compositions or dishwashing compositions including the multilayer film.
    Type: Application
    Filed: December 15, 2017
    Publication date: March 19, 2020
    Inventors: Markus Meise, Yannick Fuchs, Helmut Witteler, Alejandra Garcia Marcos, Juergen Detering, Benjamin Schmidt-Hansberg
  • Publication number: 20200079922
    Abstract: Described herein is a process for producing a water-soluble foil, wherein the water-soluble foil includes at least one layer S1) including a polymer composition P1) obtainable by free-radical polymerization of a monomer composition M1) including at least one monomer A) selected from ?,?-ethylenically unsaturated mono- and dicarboxylic acids, salts of ?,?-ethylenically unsaturated mono- and dicarboxylic acids, anhydrides, of ?,?-ethylenically unsaturated mono- and dicarboxylic acids and mixtures thereof, in the presence of at least one polyether component PE) selected from polyetherols having a number-average molecular weight of at least 200 g/mol, mono- and di(C1-C6-alkyl) ethers of such polyetherols, surfactants containing polyether groups, and mixtures thereof, where the foil may also include further layers, and where the layers are cast onto a carrier material.
    Type: Application
    Filed: December 7, 2017
    Publication date: March 12, 2020
    Inventors: Yannick Fuchs, Juergen Detering, Markus Meise, Helmut Witteler, Benjamin Schmidt-Hansberg, Claudia Esper, Marcel Schmitt, Maria De Moragas
  • Publication number: 20190249116
    Abstract: The present invention relates to a process for preparing a polymer composition, in which an ?,?-ethylenically unsaturated carboxylic acid is subjected to a free-radical polymerization in the presence of at least one polyether component, to the polymer composition obtainable by this process and to the use thereof.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventors: Yannick FUCHS, Helmut WITTELER, Heike WEBER, Alejandra GARCIA MARCOS, Jürgen DETERING
  • Patent number: 10344249
    Abstract: The present invention concerns a method for producing a gel-like polymer composition, in which an [alpha],[beta]-ethylenically unsaturated carboxylic acid is subject to radical polymerization in the presence of at least one polyether component, the gel-like polymer composition obtainable using this method and the use thereof.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: July 9, 2019
    Assignee: BASF SE
    Inventors: Yannick Fuchs, Helmut Witteler, Heike Weber
  • Patent number: 10323215
    Abstract: The present invention relates to a process for preparing a polymer composition, in which an ?,?-ethylenically unsaturated carboxylic acid is subjected to a free-radical polymerization in the presence of at least one polyether component, to the polymer composition obtainable by this process and to the use thereof.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: June 18, 2019
    Assignee: BASF SE
    Inventors: Yannick Fuchs, Helmut Witteler, Heike Weber, Alejandra Garcia Marcos, Jürgen Detering
  • Patent number: 10167347
    Abstract: The invention relates to a carboxylate ester of polysaccharide characterized in that it possesses ester bonds with trimellitic anhydride and is soluble in water. The polysaccharide is esterified with trimellitic anhydride and the degree of substitution of the polysaccharide lies in the range of from 0.5 to 3. The invention further relates to methods for the manufacture of these polysaccharides esters in organic solvents, in water or in an extruder or a kneader and to their use in fabric and home care formulations.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 1, 2019
    Assignee: BASF SE
    Inventors: Natalia Shabelina, Helmut Witteler, Juergen Detering, Ulrich Schneider, Jessica Neumann
  • Publication number: 20180353924
    Abstract: Provided herein are microcapsules as core-shell-particles, including a polymeric shell, a method of making them, a dispersion of the microcapsules in a liquid medium and a method of using thereof. The microcapsules include a core that contains a hydrophilic component.
    Type: Application
    Filed: November 8, 2016
    Publication date: December 13, 2018
    Inventors: Yannick Fuchs, Helmut Witteler, Matthias Bratz
  • Publication number: 20180343855
    Abstract: Disclosed herein are microcapsules as core-shell-particles, including a polymeric shell, a method of making them, a dispersion of those microcapsules in a liquid medium and use thereof. The microcapsules include a core that contains a hydrophobic component.
    Type: Application
    Filed: November 8, 2016
    Publication date: December 6, 2018
    Inventors: Yannick Fuchs, Helmut Witteler, Matthias Bratz
  • Publication number: 20170360660
    Abstract: The present invention relates to microcapsules comprising a capsule core and a capsule shell wherein the capsule shell comprises a core surrounding layer of a polyvinyl alcohol and an adjacent layer of a polyoxazoline, a process of their production and their use.
    Type: Application
    Filed: December 3, 2015
    Publication date: December 21, 2017
    Inventors: Ewelina BURAKOWSKA-MEISE, Valeria BEM, Roland Hinrich STAFF, Brigitte LINDEMANN, Helmut WITTELER
  • Publication number: 20170145356
    Abstract: The present invention provides a method of manufacturing an automatic dishwashing detergent product, said product being provided as a discrete dosage unit and comprising a continuous, non-aqueous gel phase, comprising manufacturing said gel phase by a method comprising free radical polymerisation of monomer(s) in a non-aqueous reaction mixture to form a polymeric builder; wherein said reaction mixture comprises: at least one non-ionic surfactant which is an optionally end-capped alcohol alkoxylate; and one or more monomers comprising acrylic acid and optionally one or more further ?,?-ethylenically unsaturated acids, wherein no more than 0.1 wt % of the total amount of the monomer(s) are crosslinking monomer(s).
    Type: Application
    Filed: July 1, 2015
    Publication date: May 25, 2017
    Inventors: Pavlinka Roy, Claudia Schmaelzle, Caroline Rigobert, Heike Weber, Helmut Witteler, Yannick Fuchs, Roland Bohn
  • Publication number: 20170114154
    Abstract: The invention relates to a carboxylate ester of polysaccharide characterised in that it possesses ester bonds with trimellitic anhydride and is soluble in water. The polysaccharide is esterified with trimellitic anhydride and the degree of substitution of the polysaccharide lies in the range of from 0.5 to 3. The invention further relates to methods for the manufacture of these polysaccharides esters in organic solvents, in water or in an extruder or a kneader and to their use in fabric and home care formulations.
    Type: Application
    Filed: March 11, 2015
    Publication date: April 27, 2017
    Inventors: Natalia Shabelina, Helmut Witteler, Juergen Detering, Ulrich Schneider, Jessica Neumann
  • Publication number: 20160369210
    Abstract: The present invention concerns a method for producing a gel-like polymer composition, in which an [alpha],[beta]-ethylenically unsaturated carboxylic acid is subject to radical polymerisation in the presence of at least one polyether component, the gel-like polymer composition obtainable using this method and the use thereof.
    Type: Application
    Filed: July 2, 2014
    Publication date: December 22, 2016
    Applicant: BASF SE
    Inventors: Yannick FUCHS, Helmut WITTELER, Heike WEBER
  • Publication number: 20160369209
    Abstract: The present invention relates to a process for preparing a polymer composition, in which an ?,?-ethylenically unsaturated carboxylic acid is subjected to a free-radical polymerization in the presence of at least one polyether component, to the polymer composition obtainable by this process and to the use thereof.
    Type: Application
    Filed: July 2, 2014
    Publication date: December 22, 2016
    Inventors: Yannick FUCHS, Helmut WITTELER, Heike WEBER, Alejandra GARCIA MARCOS, Jürgen DETERING