Granted Patent
Utility
US 5,360,571 · App. 07/861,066
Surfactant compositions
Inventors:
John A. Kilgour, George A. Policello
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Mar 31, 1992
Inventors
John A. Kilgour
George A. Policello
Assignee (at issue)
OSI Specialties, 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.