Granted Patent
Utility
US 4,965,003 · App. 07/342,137
Borated detergent additive by an improved process
Inventor:
Raymond C. Schlicht
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Apr 21, 1989
Inventor
Raymond C. Schlicht
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.