Granted Patent
Utility
US 5,356,993 · App. 08/090,855
Coreactive conjugated diene polymer compositions which phase separate when cured
Inventors:
James R. Erickson, Michael A. Masse, Steven H. Dillman, Esther M. Zimmermann, Dale L. Handlin, Jr.
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Jul 12, 1993
Inventors
James R. Erickson
Michael A. Masse
Steven H. Dillman
Esther M. Zimmermann
Dale L. Handlin, Jr.
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.