Patents by Inventor Robert B. Mitzel

Robert B. Mitzel 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).

  • Aqueous dispersions of polyhydroxy polyether resins as coating compositions for metallic substrates
    Patent number: 4141871
    Abstract: Coating compositions are prepared from aqueous dispersions of polyhydroxy polyether resins and aminoplast or phenolplast resins or blocked polyisocyanates containing as a diluent an aqueous emulsion of a water immiscible alcohol. The coating compositions are particularly useful as can coatings.
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: February 27, 1979
    Assignee: Celanese Polymer Specialties Company
    Inventors: David A. Shimp, Robert B. Mitzel