Patents by Inventor Ferdinand Senge

Ferdinand Senge 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).

  • Patent number: 4268648
    Abstract: A process for the preparation of resol resins by reacting bisphenol A with 1.2 to 1.8 moles of formaldehyde in the presence of n-butanol or isobutanol and in the presence of a tri-alkali metal phosphate as a catalyst, and their use, optionally combined with epoxy resins, for the preparation of deep-drawable, sterilizable and chemically resistant lacquer films.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: May 19, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Freitag, Wolfgang Beer, Ferdinand Senge