Granted Patent
Utility
US 5,569,733 · App. 08/220,659
Tertiary aminourea compositions and their use as catalysts in curable compositions
Inventors:
Karen D. Donnelly, Joseph M. Makhlouf
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Mar 31, 1994
Inventors
Karen D. Donnelly
Joseph M. Makhlouf
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.