Granted Patent
Utility
US 4,334,093 · App. 06/164,629
Method of preparing aliphatic carboxylic acids
Inventor:
John F. Knifton
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Jun 30, 1980
Inventor
John F. Knifton
Assignee (at issue)
Texaco Inc.
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.