Patents by Inventor Wolfgang Ziems

Wolfgang Ziems 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).

  • Patent number: 5563188
    Abstract: A polyvinyl based coating composition which protects against impact stresses. The composition includes polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, calcium carbonate, hollow plastic spheres and a C.sub.9 or higher phthalate acid ester plasticizer.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 8, 1996
    Assignee: Stankiewicz GmbH
    Inventor: Wolfgang Ziems