Granted Patent
Utility
US 6,303,805 · App. 09/392,442
Metallocene complexes and method of preparing the same
Inventors:
Yi-Yeol Lyu, Duck Joo Yang, Keun Yoon, Seok Chang, Won Cheol JUNG
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Sep 9, 1999
Inventors
Yi-Yeol Lyu
Duck Joo Yang
Keun Yoon
Seok Chang
Won Cheol JUNG
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.