Granted Patent
Utility
US 5,334,566 · App. 08/049,689
Selective hydrogenation of conjugated diolefin polymers with Tebbe's reagent
Inventors:
Carma J. Gibler, Stanley E. Wilson
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Apr 16, 1993
Inventors
Carma J. Gibler
Stanley E. Wilson
Assignee (at issue)
SHELL OIL COMPANY
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.