Patents by Inventor William J. Simonsick

William J. Simonsick 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 electrodeposition coatings containing an amino ester crosslinking agent
    Patent number: 5231120
    Abstract: An improved aqueous electrocoating composition having a binder of an epoxy-amine adduct; wherein the improvement is the use of a .beta. amino ester crosslinking agent having the following formula ##STR1## wherein: n is an integer of 2-10,R is H or CH.sub.3,R.sup.1 is R.sup.2 --OH or an alkyl group 1-4 carbon atoms,R.sup.2 is an alkylene group having 1-4 carbon atomsR.sup.3 is an alkyl group having 1-12 carbon atoms andR.sup.4 is a polymeric component having a weight average molecular weight of about 200-10,000.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: July 27, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William J. Simonsick, Edward Chu