Granted Patent
Utility
US 5,499,409 · App. 08/277,379
Epoxidized polydiene block polymer with epoxy resins
Inventor:
David J. St. Clair
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: Jul 18, 1994
Inventor
David J. St. Clair
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.