Patents by Inventor Kai KUHN

Kai KUHN 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).

  • Polymer in multicoat color and/or effect paint systems
    Patent number: 10358520
    Abstract: The present invention relates to a polymer, preparable by reacting at least one polymer, preparable by reacting (a) dimer fatty acids with at least (b) one polyether having a C3 to C6 alkylene radical and a number-average molecular weight of 450 to 2200 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: July 23, 2019
    Assignee: BASF Coatings GmbH
    Inventors: Bernhard Lettmann, Peter Hoffmann, Raphaela Jasper, Kai Kuhn, Heinz-Juergen Kemper, Marion Siegert
  • POLYMER IN MULTICOAT COLOR AND/OR EFFECT PAINT SYSTEMS
    Publication number: 20160369037
    Abstract: The present invention relates to a polymer, preparable by reacting at least one polymer, preparable by reacting (a) dimer fatty acids with at least (b) one polyether having a C3 to C6 alkylene radical and a number-average molecular weight of 450 to 2200 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.
    Type: Application
    Filed: January 9, 2015
    Publication date: December 22, 2016
    Applicant: BASF COATINGS GMBH
    Inventors: Bernhard LETTMANN, Peter HOFFMANN, Raphaela JASPER, Kai KUHN, Heinz-Juergen KEMPER, Marion SIEGERT