Granted Patent
Utility
US 5,214,101 · App. 07/933,847
Powder coating composition comprising a co-reactable particulate mixture of carboxylic acid group-containing polymers and beta-hydroxyalkylamide curing agent
Inventors:
Paul H. Pettit, Jr., Debra L. Singer, Marvin L. Kaufman
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Aug 24, 1992
Inventors
Paul H. Pettit, Jr.
Debra L. Singer
Marvin L. Kaufman
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.