Granted Patent
Utility
US 4,520,126 · App. 06/453,959
Catalyst composition suitable for the dimerization or codimerization of alpha-olefins
Inventors:
Keiji Kawamoto, Keigo Kato, Takahiro Aida
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Dec 28, 1982
Inventors
Keiji Kawamoto
Keigo Kato
Takahiro Aida
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.