Patents by Inventor Ulrich Christ

Ulrich Christ 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).

  • Method of improving the corrosion resistance of carbonitrided components made of ferrous materials
    Patent number: 5288340
    Abstract: In order to improve the corrosion resistance, carbonitrided components formed of ferrous material are treated, after an oxidation treatment, with a solution of a heat hardenable organic synthetic resin and heat-treated at 80.degree. to 200.degree. C.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: February 22, 1994
    Assignee: Degussa Aktiengesellschaft
    Inventors: Ulrich Christ, Helmut Kunst, Georg Wahl