Granted Patent
Utility
US 4,770,780 · App. 06/603,563
Liquid CO.sub.2 /cosolvent extraction
Inventor:
John M. Moses
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Apr 25, 1984
Inventor
John M. Moses
Assignee (at issue)
CF Systems 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.