Patents by Inventor Uwe Hartkopf

Uwe Hartkopf 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).

  • Thermoplastic molding compositions with cold impact strength
    Patent number: 4959403
    Abstract: A thermoplastic molding composition having good cold impact strength properties, consisting essentially of (I) a polyamide 1212 having a relative viscosity in the range of from 1.5 to 3.0, and (II) 2 to 25% by weight, based on the polyamide, of a plasticizer.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: September 25, 1990
    Assignee: Huels Aktiengesellschaft
    Inventors: Martin Bartmann, Roland Feinauer, Uwe Hartkopf, Michael Schlobohm