Granted Patent
Utility
US 6,803,339 · App. 10/242,475
Latent metallocene catalyst systems for olefin polymerization
Inventors:
Richard A. Hall, Jerome A. Streeky, Roger Uhrhammer
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Sep 12, 2002
Inventors
Richard A. Hall
Jerome A. Streeky
Roger Uhrhammer
Assignee (at issue)
BP Corporation North America Inc.
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.