Granted Patent
Utility
US 4,861,823 · App. 07/205,676
Thermoset composition comprising aromatic cyanate ester of allyl ether of bisphenol
Inventor:
Shahid P. Qureshi
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Aug 3, 1988
Inventor
Shahid P. Qureshi
Assignee (at issue)
Amoco Corporation
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.