Patents by Inventor Bernd Wahle

Bernd Wahle 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).

  • Special epoxy resins
    Patent number: 4690998
    Abstract: The invention relates to epxoy resins obtained by reaction of epichlorohydrin with selected mixtures of phenols for the production of thermosetting and cold-hardening moldings, coating compositions and adhesive compositions.
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: September 1, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Wahle, Dieter Freitag, Walter Uerdingen, Heinrich Heine, Manfred Blazejak