Granted Patent
Utility
US 5,744,531 · App. 08/670,829
Anionic electrocoating compositions containing hydroxyalkylamide curing agents
Inventors:
Paul R. Kerr, Raphael O. Kollah, Steven R. Zawacky, Patricia A. Aikens
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Jun 24, 1996
Inventors
Paul R. Kerr
Raphael O. Kollah
Steven R. Zawacky
Patricia A. Aikens
Assignee (at issue)
PPG Industries, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.