Granted Patent
Utility
US 5,336,726 · App. 08/029,866
Butadiene polymers having terminal silyl groups
Inventor:
Donn A. DuBois
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Mar 11, 1993
Inventor
Donn A. DuBois
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.