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: 20220372404
    Abstract: Described herein is a fabric care composition including at least one hydrophobically modified polyalkyleneimine as dye fixative polymer. Also described herein is a method for providing an improved color care effect during washing or treatment of colored fabric, the method including use of the hydrophobically modified polyalkyleneimine as dye fixative polymer.
    Type: Application
    Filed: August 30, 2019
    Publication date: November 24, 2022
    Inventors: Yan Kang, Ya Jing Liu, Yungi Lee, Helmut Witteler, Alexandros Lamprou
  • Publication number: 20210307317
    Abstract: Described herein is a polymeric stabilizing agent selected from poly-lysine derivatives obtained by process including heating an aqueous lysine solution to boiling, increasing a temperature of the aqueous lysine solution to a reaction temperature in the range of about 105° C. to about 180° C., and keeping the reaction temperature in the range of about 105° C. to about 180° C. until a melt viscosity of the reaction mixture is in the range of about 350 mPa*s to about 6,500 mPa*s, and (ii) an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved. The process also includes adding alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol % to 10 mol %, and increasing or keeping the reaction temperature in the range of about 105° C. to about 180° C. until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is ?9% by weight.
    Type: Application
    Filed: May 11, 2018
    Publication date: October 7, 2021
    Inventors: Markus Kalt, Janine Rude, Helmut Witteler, Markus Meise, Frank Klippel, Tina Schroeder-Grimonpont, Hans-Peter Seelmann-Eggebert
  • Publication number: 20210289773
    Abstract: Described herein is a poly-lysine derivative obtained by a process including heating an aqueous lysine solution to boiling, increasing a temperature of the aqueous lysine solution to a reaction temperature in the range of about 105° C. to about 180° C., and keeping the reaction temperature in the range of about 105° C. to about 180° C. until (i) a melt viscosity of the reaction mixture is in the range of about 350 mPa*s to about 6,500 mPa*s, and (ii) an amine number in the range of about 100 mg KOH/g to about 500 mg KOH/g is achieved. The process also includes adding alkyl-carboxylic acid or alkenyl-carboxylic acid in amounts of 2.5 mol % to 10 mol %, and increasing or keeping the reaction temperature in the range of about 105° C. to about 180° C. until number of free alkyl-carboxylic acid or alkenyl-carboxylic acid is ?9% by weight.
    Type: Application
    Filed: April 17, 2018
    Publication date: September 23, 2021
    Inventors: Markus Kalt, Helmut Witteler, Tina Schroeder-Grimonpot, Markus Meise, Hans-Peter Seelmann-Eggebert, Frank Klippel
  • Patent number: 11111464
    Abstract: A method of manufacturing an automatic dishwashing detergent product, provided as a discrete dosage unit and comprising a continuous, non-aqueous gel phase, includes manufacturing the gel phase by free radical polymerisation of monomer(s) in a non-aqueous reaction mixture to form a polymeric builder. The 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: May 13, 2020
    Date of Patent: September 7, 2021
    Assignee: RECKITT BENCKISER FINISH B.V.
    Inventors: Pavlinka Roy, Claudia Schmaelzle, Caroline Rigobert, Heike Weber, Helmut Witteler, Yannick Fuchs, Roland Bohn
  • Patent number: 11077417
    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: Grant
    Filed: November 8, 2016
    Date of Patent: August 3, 2021
    Assignee: BASF SE
    Inventors: Yannick Fuchs, Helmut Witteler, Matthias Bratz
  • Publication number: 20210187466
    Abstract: A process for the preparation of microcapsules including (a) preparation of an aqueous biphasic system by mixing (i) component (a1) including a component A selected from polyethylene glycol vinyl acetate comb polymers, polycarboxylates, polyethers, polyaspartates, polyvinylpyrrolidone, polyamines, and polylysine; wherein component (a1) is a monophasic system at 23° C., and forms a monophasic system at 23° C. if mixed with water in the range of from 1:99 to 99:1 by weight, and (ii) component (a2) containing water and a water-soluble component B, wherein water-soluble component B is different from component A, and wherein (a2) is a monophasic system at 23° C., (iii) at least one monomer (a3), and (iv) optionally at least one initiator (a4), wherein (a1), (a2), (a3), and (a4) can be mixed together in any order or simultaneously, followed by (b) optionally shearing of the biphasic system to form an emulsion, and (c) polymerization of monomer (a3).
    Type: Application
    Filed: February 2, 2017
    Publication date: June 24, 2021
    Inventors: Ewelina Burakowska-Meise, Helmut Witteler, Volker Bauer, Stefen Jemewein, Stephan Heuffer, Oliver Spangenberg, Stefan Fischer, Jesper Duus Nielsen, Murat Cetinkaya
  • Publication number: 20210187465
    Abstract: The present invention relates to microcapsules comprising at least one polyethervinyl ester graftpolymer, at least one acrylic polymer, and water in the range of from 0.1% of weight to 0% of weight of the total polymer as well as to processes preparing the same.
    Type: Application
    Filed: February 2, 2017
    Publication date: June 24, 2021
    Inventors: Ewelina Burakowska-Meise, Helmut Witteler, Volker Bauer, Stephen Hueffer, Oliver Spangenberg, Stefan Fischer, Jesper Duus Nielsen, Stefan Jenewein, Alejandra Garcia Marcos, Murat Cetinkaya
  • Publication number: 20200399568
    Abstract: The present disclosure relates to a washing- and cleaning-active polymer film which includes a mixture of at least one polymer P1) including polymerized units of at least one ?,?-ethylenically unsaturated carboxylic acid or a salt thereof. The washing- and cleaning-active polymer film optionally further includes comonomers and a polyoxyalkylene ether PE). The disclosure furthermore relates to a process for producing such a washing- and cleaning-active polymer film and to a covering or coating for a detergent or cleaner portion which includes such a polymer film.
    Type: Application
    Filed: September 5, 2018
    Publication date: December 24, 2020
    Inventors: Juergen DETERING, Maria DE MORAGAS, Yannick FUCHS, Claudia ESPER, Benjamin SCHMIDT-HANSBERG, Markus MEISE, Dominik LANZINGER, Aaron WAGNER, Helmut WITTELER, Matthias ARNDT
  • 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