Granted Patent
Utility
US 4,369,198 · App. 05/933,847
Method for extracting ingredients of oil-containing seeds
Inventors:
Osamu Uchi, Chiaki Hatanaka
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Aug 15, 1978
Inventors
Osamu Uchi
Chiaki Hatanaka
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.