Granted Patent
Utility
US 4,473,700 · App. 06/395,362
2 Or 3-tetradecenyl and poly isobutenyl substituted n-alkyl and n polyamino alkylene pyrrolid-2-ones
Inventor:
Gary T. Babic
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jul 6, 1982
Inventor
Gary T. Babic
Assignee (at issue)
Texaco 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.