Granted Patent
Utility
US 4,334,061 · App. 06/089,145
Process for recovery of polyol fatty acid polyesters
Inventor:
Joseph A. Bossier, III
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Oct 29, 1979
Inventor
Joseph A. Bossier, III
Assignee (at issue)
Ethyl 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.