The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 16, 1979
Filed:
Mar. 07, 1978
Applicant:
Inventors:
Joseph F Bosso, Lower Burrell, PA (US);
Lance C Sturni, McKeesport, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
2041 / ;
Abstract
Aqueous coating compositions comprising a blocked organic polyisocyanate and a resin containing active hydrogen atoms and quaternary ammonium groups are disclosed. The resin is prepared by the reaction of a polyepoxide with an amine-acid salt. These compositions deposit on the cathode to provide coatings having excellent properties.