Patents by Inventor Kirsten Fritsche

Kirsten Fritsche 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).

  • Patent number: 11479681
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 25, 2022
    Assignee: Merck Patent GmbH
    Inventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
  • Patent number: 11459469
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 4, 2022
    Assignee: Merck Patent GmbH
    Inventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
  • Patent number: 11453789
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: September 27, 2022
    Assignee: Merck Patent GmbH
    Inventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
  • Publication number: 20220162449
    Abstract: The present invention is related to effect pigments exhibiting a deep black body color as well as a blue interference color, to a process for the production of such pigments as well as to the use thereof, especially in coating compositions.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 26, 2022
    Applicant: Merck Patent GmbH
    Inventors: Fumiko SASAKI, Kirsten FRITSCHE, Masayuki MOMOSE, Michael JUNGNITZ
  • Publication number: 20200123388
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Applicant: Merck Patent GmbH
    Inventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
  • Patent number: 10508208
    Abstract: The present invention relates to a process for printing multicoloured printed images in which exclusively interference pigments are used for the coloured pigmentation of the printing inks, to printed products produced using a process of this type, to the use thereof, and to suitable interference pigments.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: December 17, 2019
    Assignee: Merck Patent GmbH
    Inventors: Peter Clauter, Cairon Platzer, Kirsten Fritsche, Marc-Dieter Weingart, Lorenz Boegli, Christoph Schmidt
  • Publication number: 20190169439
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 6, 2019
    Applicant: Merck Patent GmbH
    Inventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
  • Publication number: 20180016452
    Abstract: The present invention relates to a process for printing multicoloured printed images in which exclusively interference pigments are used for the coloured pigmentation of the printing inks, to printed products produced using a process of this type, to the use thereof, and to suitable interference pigments.
    Type: Application
    Filed: January 25, 2016
    Publication date: January 18, 2018
    Applicant: Merck Patent GmbH
    Inventors: Peter CLAUTER, Cairon PLATZER, Kirsten FRITSCHE, Marc-Dieter WEINGART, Lorenz BOEGLI, Christoph SCHMIDT
  • Publication number: 20170240745
    Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 24, 2017
    Applicant: Merck Patent GmbH
    Inventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
  • Patent number: 5356714
    Abstract: The invention relates to a method of priming or one-coat painting of plastics using water-borne paints which comprises employing a water-borne paint which contains an at least partially protonated product of the reaction of(A) a butadiene- and acrylonitrile-based copolymer containing primary and/or secondary amino groups, or a mixture of such copolymers, and(B) an organic compound which has a number average molecular weight of from 140 to 10,000 and contains, on statistical average, at least 1.5 epoxide groups per molecule, or a mixture of such organic compounds.
    Type: Grant
    Filed: April 6, 1993
    Date of Patent: October 18, 1994
    Assignee: BASF Lacke + Farben Aktiengesellschaft
    Inventors: Kirsten Fritsche, Dieter Faul, Hartmut Metzdorf, Jorg Budde