Granted Patent
Utility
US 4,675,371 · App. 06/858,781
Thermoset polymeric composition from poly-oxazoline and alkenyl phosphonic acid
Inventor:
Anil B. Goel
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: May 2, 1986
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.