Granted Patent
Utility
US 4,929,361 · App. 07/357,145
Method of inhibiting fouling in protein-containing fluids
Inventor:
David M. Polizzotti
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: May 25, 1989
Inventor
David M. Polizzotti
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.