Patents by Inventor Robert John Sikora

Robert John Sikora 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).

  • Bismuth oxide catalyst for cathodic electrocoating compositions
    Patent number: 6156823
    Abstract: An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of a catalytic amount of bismuth trioxide dispersed in the electrocoating composition.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: December 5, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Robert John Sikora