Granted Patent
Utility
US 4,297,465 · App. 06/201,955
Catalysts for polymerizing propylene in a high temperature solution process
Inventor:
Thomas W. Smith
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Oct 29, 1980
Inventor
Thomas W. Smith
Assignee (at issue)
EASTMAN KODAK 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.