Patents by Inventor Frank Dieter Zimmermann

Frank Dieter Zimmermann 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).

  • Process for the application of powder coatings
    Publication number: 20040156985
    Abstract: A process for application of powder coatings to conductive and nonconductive surfaces comprising
    Type: Application
    Filed: November 21, 2003
    Publication date: August 12, 2004
    Inventors: Frank-Dieter Zimmermann, Joerg Reiter
  • Powder coating composition, process for the production and use thereof
    Patent number: 6491973
    Abstract: Powder coating composition obtainable by homogeneous mixing of a separately produced particulate component A prepared from one or more epoxy resins having an epoxy equivalent weight of 250 to 2500, one or more curing components together with conventional lacquer auxiliary substances and additives and optionally pigments and/or fillers and a separately produced particulate component prepared from one or more resins differing from A having an acid value of 20 to 70 and/or an OH value of 10 to 100, one or more curing components together with conventional lacquer auxiliary substances and additives and optionally pigments and/or fillers, in a mixing ratio of component A to component B of 1:99 to 50:50, relative to weight.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: December 10, 2002
    Assignee: Dupont Performance Coatings GmbH & Co. KG
    Inventors: Evgueni Davydov, Frank Dieter Zimmermann