Granted Patent
Utility
US 5,354,880 · App. 07/993,304
Cyclic silylureas and process of preparation
Inventors:
Enrico J. Pepe, Curtis L. Schilling, Jr., Everett W. Bennett
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Dec 18, 1992
Inventors
Enrico J. Pepe
Curtis L. Schilling, Jr.
Everett W. Bennett
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.