Patents by Inventor Heinz-Gerd Nonnenbruch

Heinz-Gerd Nonnenbruch 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).

  • Edge sealing for filter cloths
    Patent number: 4212746
    Abstract: If the edge of a filter cloth is coated with one or more layers of a polychloroprene latex mixture which contains zinc oxide and a silicate filler in addition to a polychloroprene with carboxyl groups, sticking is so greatly reduced that the durability of the filter cloths is substantially increased.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: July 15, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Edzard Tholema, Heinz-Gerd Nonnenbruch, Hans Gossmann, Peter Schultz