Granted Patent
Utility
US 5,610,254 · App. 08/574,684
Ethylene-.alpha.-olefin-nonconjugated polyene random copolymer, rubber composition, and process for preparing the random copolymer
Inventors:
Toshihiro Sagane, Toshiyuki Tsutsui, Masaaki Kawasaki, Keiji Okada, Tetsuo Tojo, Tatsuya Tanizaki
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Dec 19, 1995
Inventors
Toshihiro Sagane
Toshiyuki Tsutsui
Masaaki Kawasaki
Keiji Okada
Tetsuo Tojo
Tatsuya Tanizaki
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.