Granted Patent
Utility
US 6,482,764 · App. 09/293,025
Method for producing a supported catalyst for ethylene polymerization and ethylene/&agr;-olefin copolymerization
Inventors:
Ho-Sik Chang, Youn K. Kang, Vladimir Alexandrovich Zakharov, Valentin Evgenievich Nikitin
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Apr 16, 1999
Inventors
Ho-Sik Chang
Youn K. Kang
Vladimir Alexandrovich Zakharov
Valentin Evgenievich Nikitin
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.