Granted Patent
Utility
US 6,777,365 · App. 09/732,740
Magnesium compound, olefin polymerization catalyst, and method for producing olefin polymer
Inventors:
Shohjiroh Tanase, Takehiro Tsuda, Tsuyoshi Ota, Hideo Funabashi
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Dec 11, 2000
Inventors
Shohjiroh Tanase
Takehiro Tsuda
Tsuyoshi Ota
Hideo Funabashi
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.