Granted Patent
Utility
US 4,952,301 · App. 07/432,699
Method of inhibiting fouling in caustic scrubber systems
Inventor:
Spencer S. Awbrey
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Nov 6, 1989
Inventor
Spencer S. Awbrey
Assignee (at issue)
Betz Laboratories, 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.