Granted Patent
Utility
US 4,975,119 · App. 07/342,799
Liquid antisettling agents for organic coating compositions
Inventor:
Murray C. Cooperman
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Apr 25, 1989
Inventor
Murray C. Cooperman
Assignee (at issue)
Rheox 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.