Granted Patent
Utility
US 4,916,210 · App. 07/260,346
"Resin from alpha, alpha', alpha""-tris(4-cyanatophenyl)-1,3,5-triisopropylbenzene"
Inventor:
Roy J. Jackson
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Oct 20, 1988
Inventor
Roy J. Jackson
Assignee (at issue)
SHELL OIL COMPANY
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.