Granted Patent
Utility
US 4,259,468 · App. 06/064,516
Ethylene-.alpha.-olefin-polyene rubbery terpolymer and process for production thereof
Inventors:
Hirokazu Kajiura, Kazuhiko Murata, Hidekuni Oda, Tatsuo Yasutake
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Aug 7, 1979
Inventors
Hirokazu Kajiura
Kazuhiko Murata
Hidekuni Oda
Tatsuo Yasutake
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.