Patents by Inventor Christian SCHNICK

Christian SCHNICK 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).

  • Polymorphic forms of N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzolsulfonamide
    Patent number: 11673859
    Abstract: The present invention relates to an N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form ?18.9, characterised by an x-ray powder diffractogram having the Bragg angles (2?/CuK?) 10.9, 11.7, 14.6, 15.0, 15.8, 16.6, 17.6, 18.9, 19.4, 20.9, 21.2, 22.0, 23.3, 24.4, 24.7, 26.1, 27.4, 29.4, 34.2, or in the polymorphic form ?21.2, characterised by an x-ray powder diffractogram having the Bragg angles (2?/CuK?) 8.7, 9.8, 10.8, 13.2, 13.9, 14.9, 15.2, 16.0, 17.4, 17.7, 18.7, 20.4, 21.2, 21.6, 22.3, 23.0, 23.3, 23.9, 24.4, 25.0, 25.8, 26.6, 28.1, 28.9, 29.4, 30.1, 30.6, 31.8, 34.5, 35.3, 35.6, 36.9, a method for production thereof, use thereof as a colour developer in a heat-sensitive recording material, and a heat-sensitive recording material comprising N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form ?18.9 or in the polymorphic form ?21.2.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: June 13, 2023
    Assignee: KOEHLER PAPER SE
    Inventors: Michael Horn, Timo Stalling, Christian Schnick
  • POLYMORPHIC FORMS OF N-(4-((4-(3-PHENYLUREIDO)PHENYL)SULFONYL)PHENYL)BENZOLSULFONAMIDE
    Publication number: 20220363629
    Abstract: The present invention relates to an N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form ?18.9, characterised by an x-ray powder diffractogram having the Bragg angles (2?/CuK?) 10.9, 11.7, 14.6, 15.0, 15.8, 16.6, 17.6, 18.9, 19.4, 20.9, 21.2, 22.0, 23.3, 24.4, 24.7, 26.1, 27.4, 29.4, 34.2, or in the polymorphic form ?21.2, characterised by an x-ray powder diffractogram having the Bragg angles (2?/CuK?) 8.7, 9.8, 10.8, 13.2, 13.9, 14.9, 15.2, 16.0, 17.4, 17.7, 18.7, 20.4, 21.2, 21.6, 22.3, 23.0, 23.3, 23.9, 24.4, 25.0, 25.8, 26.6, 28.1, 28.9, 29.4, 30.1, 30.6, 31.8, 34.5, 35.3, 35.6, 36.9, a method for production thereof, use thereof as a colour developer in a heat-sensitive recording material, and a heat-sensitive recording material comprising N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form ?18.9 or in the polymorphic form ?21.2.
    Type: Application
    Filed: November 30, 2020
    Publication date: November 17, 2022
    Inventors: Michael HORN, Timo STALLING, Christian SCHNICK