Patents by Inventor Andreas Holst

Andreas Holst 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).

  • Carboxyl-containing acrylate copolymer and epoxy resin
    Patent number: 5691419
    Abstract: A coating agent comprises a binding agentcontaining at least one acrylate copolymer (A) with carboxyl groups and/or at least one acrylate copolymer (B) with epoxide groups, the acrylate copolymers (A) and (B) being obtained by solution polymerization using less than 5% by weight based on the total weight of monomers of one or more polysiloxane macromonomers a.sub.1 having a number-average molecular weight of 1000 to 40,000 and on average 0.5 to 2.5 ethylenically unsaturated double bonds per molecule; and one or more epoxy resins.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: November 25, 1997
    Assignee: BASF Lacke + Farben, AG
    Inventors: Stephan Engelke, Michael Brunnemann, Olaf Rotter, Andreas Holst
  • Carboxyl-containing acrylate copolymer, carboxyl-containing resin and epoxy resin
    Patent number: 5686531
    Abstract: A coating agent comprises a binding agent containing at least one acrylate copolymer (A) with carboxyl groups and/or at least one acrylate copolymer (B) with epoxide groups, the acrylate copolymers (A) and (B) being obtained by solution polymerization using less than 5% by weight based on the total weight of monomers of one or more polysiloxane macromonomers a.sub.1 having a number-average molecular weight of 1000 to 40,000 and on average 0.5 to 2.5 ethylenically unsaturated double bonds per molecule; one or more addition and/or condensation resins with carboxyl groups; and one or more epoxy resins.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: November 11, 1997
    Assignee: BASF Lacke + Farben, AG
    Inventors: Stephan Engelke, Michael Brunnemann, Olaf Rotter, Andreas Holst