Granted Patent
Utility
US 4,179,457 · App. 05/974,281
Conversion of fatty acid esters to fatty acids
Inventor:
Richard R. Crawford
Patented Case
View Patent ↗
Granted: Dec 18, 1979
Filed: Dec 29, 1978
Inventor
Richard R. Crawford
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.