Granted Patent
Utility
US 4,480,108 · App. 06/519,477
Process for separation of tocopherol homologues
Inventor:
Charles H. Foster
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Aug 1, 1983
Inventor
Charles H. Foster
Assignee (at issue)
EASTMAN KODAK COMPANY
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.