Granted Patent
Utility
US 5,767,033 · App. 08/752,140
Transition metal compound and olefin polymerization catalyst component comprising said compound
Inventors:
Junichi Imuta, Junji Saito, Takashi Ueda, Yoshihisa Kiso, Akira Mizuno, Masaaki Kawasaki
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Nov 18, 1996
Inventors
Junichi Imuta
Junji Saito
Takashi Ueda
Yoshihisa Kiso
Akira Mizuno
Masaaki Kawasaki
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.