Granted Patent
Utility
US 5,270,413 · App. 07/980,835
Aliphatic cyclobutene polymeric compositions
Inventor:
Larry S. Corley
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Nov 24, 1992
Inventor
Larry S. Corley
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.