Granted Patent
Utility
US 6,500,906 · App. 09/497,639
Olefin polymerization chelate catalyst and olefin polymerization method using the same
Inventors:
Gap-Goung Kong, Sung-Cheol Yoon, Gyo Hyun Hwang
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Feb 3, 2000
Inventors
Gap-Goung Kong
Sung-Cheol Yoon
Gyo Hyun Hwang
Assignee (at issue)
Samsung General Chemicals, 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.