Patents by Inventor Lee A. Turnquist

Lee A. Turnquist 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).

  • Cathodic electrocoating compositions having improved throw power, containing multifunctional phenols
    Patent number: 5416137
    Abstract: An improved aqueous cathodic electrocoating composition having a binder of an epoxy resin-amine adduct which is an epoxy resin that has been reacted with an amine, and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of a multihydric phenol i.e., a phenol having more than two reactive hydroxyl groups along with a dihydric phenol to form the epoxy resin used in the electrocoating composition to provide a composition having improved throw power.
    Type: Grant
    Filed: June 1, 1994
    Date of Patent: May 16, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Lee A. Turnquist, Peter W. Uhlianuk, Ding Y. Chung