Granted Patent
Utility
US 4,775,737 · App. 07/022,918
Thermoset polymeric composition from poly(oxazoline), alkenyl phosphonic acid and polyphenolic
Inventor:
Anil B. Goel
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Mar 6, 1987
Inventor
Anil B. Goel
Assignee (at issue)
Ashland Oil, 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.