Granted Patent
Utility
US 6,818,708 · App. 10/221,166
Method of polymerizing olefin
Inventors:
Hideki Satou, Shinji Araki, Hiromi Adachi
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Sep 18, 2002
Inventors
Hideki Satou
Shinji Araki
Hiromi Adachi
Assignee (at issue)
Idemitsu Petrochemical Co., 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.