Granted Patent
Utility
US 4,456,540 · App. 06/319,528
Process of sulfurizing triglyceride and an olefin
Inventor:
Alexander D. Recchuite
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Nov 9, 1981
Inventor
Alexander D. Recchuite
Assignee (at issue)
SUN-TECH LIMITED
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.