Granted Patent
Utility
US 5,616,663 · App. 08/338,810
Transition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerization
Inventors:
Junichi Imuta, Daisuke Fukuoka, Masayasu Yoshida, Junji Saito, Terunori Fujita, Takashi Tashiro, Koji Kawaai, Takashi Ueda, Yoshihisa Kiso
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Nov 10, 1994
Inventors
Junichi Imuta
Daisuke Fukuoka
Masayasu Yoshida
Junji Saito
Terunori Fujita
Takashi Tashiro
Koji Kawaai
Takashi Ueda
Yoshihisa Kiso
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.