Granted Patent
Utility
US 5,360,875 · App. 08/120,116
Method for producing coupled asymmetric polymers
Inventors:
Michael A. Masse, Steven S. Chin, Craig A. Stevens
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Sep 10, 1993
Inventors
Michael A. Masse
Steven S. Chin
Craig A. Stevens
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.