Granted Patent
Utility
US 5,459,217 · App. 08/345,793
Ethylene/alpha-olefin copolymer
Inventors:
Akira Todo, Mamoru Takahashi, Seiichi Ikeyama, Toshiyuki Tsutsui
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Nov 22, 1994
Inventors
Akira Todo
Mamoru Takahashi
Seiichi Ikeyama
Toshiyuki Tsutsui
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.