Granted Patent
Utility
US 6,414,090 · App. 09/860,912
Process for producing a polymer of an &agr;-olefin and lubricant
Inventors:
Yutaka Minami, Tatsuya Egawa
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: May 21, 2001
Inventors
Yutaka Minami
Tatsuya Egawa
Assignees (at issue)
Idemitsu Petrochemical Co., Ltd.
IDEMITSU KOSAN 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.