Granted Patent
Utility
US 6,201,077 · App. 09/203,094
Process that produces polymers
Inventors:
Joseph Bergmeister, III, Steven J. Secora, Gerhard Guenther, Elizabeth A. Benham, Max P. McDaniel
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Dec 1, 1998
Inventors
Joseph Bergmeister, III
Steven J. Secora
Gerhard Guenther
Elizabeth A. Benham
Max P. McDaniel
Assignee (at issue)
Phillips Petroleum Company
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.