Granted Patent
Utility
US 5,159,096 · App. 07/767,825
Process for the preparation of siloxane-oxyalkylene copolymers
Inventors:
Paul E. Austin, Harold D. Furbee, Anne Kathryn McMullen
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Sep 30, 1991
Inventors
Paul E. Austin
Harold D. Furbee
Anne Kathryn McMullen
Assignee (at issue)
Union Carbide Chemicals & Plastics Technology LLC
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.