Granted Patent
Utility
US 6,479,599 · App. 09/381,664
Catalyst system for high yield synthesis of polyolefins
Inventors:
Kevin P. Peil, David R. Wilson
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Sep 17, 1999
Inventors
Kevin P. Peil
David R. Wilson
Assignee (at issue)
BP Chemicals Limited
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.