Patents by Inventor Volker Ritter, deceased

Volker Ritter, deceased 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).

  • Plastic molding having a painted surface
    Patent number: 5208081
    Abstract: Plastic moldings, preferably comprising a polypropylene molding composition comprising from 95 to 50 parts by weight of isotactic polypropylene or a copolymer of propylene containing up to 10% by weight of ethylene, from 5 to 50 parts by weight of rubber-like, polypropylene-compatible copolymers and from 0 to 50 parts by weight of reinforcing fillers in the underlayer, suitably colored and provided with a single-layer paint coat, are highly suitable for external applications on automobiles.
    Type: Grant
    Filed: August 8, 1991
    Date of Patent: May 4, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Gubitz, Volker Ritter, deceased, Ursula J. Ritter, nee Zoller, legal heir