Granted Patent
Utility
US 6,284,701 · App. 09/294,510
Metallocene catalysts for olefin polymerization and method of polymerizing olefins using the metallocene catalysts
Inventors:
Keun Yoon, Seok Chang, Won Cheol JUNG, Yi-Yeol Lyu
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Apr 20, 1999
Inventors
Keun Yoon
Seok Chang
Won Cheol JUNG
Yi-Yeol Lyu
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.