Patents by Inventor Horst Wardzichowski

Horst Wardzichowski 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).

  • Polyamide resin from distilled dimerized fatty acid/hydrogenated dimerized fatty acid
    Patent number: 5214124
    Abstract: The present invention relates to thermoplastic polyamide resins for use in relief printing which are prepared by condensation of distilled and/or hydrogenated dimeric fatty acids, a mixture of oleic acid and isostearic acid, a substantially equivalent amount of ethylenediamine, and optionally co-diamines.
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: May 25, 1993
    Assignee: Schering AG
    Inventors: Manfred Drawert, Horst Krase, Horst Wardzichowski