Granted Patent
Utility
US 6,326,493 · App. 09/449,638
Metallocene compounds, processes for the preparation thereof, catalyst components for olefin polymerization, and processes for the production of olefin polymers
Inventors:
Seiki Mitani, Masato Nakano, Jun Saito, Hiroshi Yamazaki, Keisuke Kimura
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Nov 30, 1999
Inventors
Seiki Mitani
Masato Nakano
Jun Saito
Hiroshi Yamazaki
Keisuke Kimura
Assignee (at issue)
Chisso Corporation
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.