Granted Patent
Utility
US 5,412,128 · App. 08/087,875
Catalyst for olefin polymerization, process for the polymerization of olefin, and transition metal compound employable for the catalyst
Inventors:
Junichi Imuta, Junji Saito, Takashi Ueda, Teruaki Mukaiyama
Patented Case
View Patent ↗
Granted: May 2, 1995
Filed: Jul 9, 1993
Inventors
Junichi Imuta
Junji Saito
Takashi Ueda
Teruaki Mukaiyama
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.