Patents by Inventor Patrick Douglas Ziemer

Patrick Douglas Ziemer 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).

  • Vinylidene difluoride-based coating compositions
    Patent number: 6017639
    Abstract: A coating composition based on a dispersed fluoropolymer resin is provided. The composition includes a vinylidene difluoride-based polymer such as PVDF, an organic solvent and a dispersant. A method of forming a protective coating on a metal substrate with the fluoropolymer resin-based coating composition and a composite material having at least one surface coated with a vinylidene difluoride-based polymer film are also provided.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: January 25, 2000
    Assignee: Valspar Corporation
    Inventors: Clark A. Higginbotham, Ted R. Best, Patrick Douglas Ziemer