Granted Patent
Utility
US 6,201,097 · App. 09/224,436
Process for producing poly (arylene sulfide)
Inventors:
Jon F. Geibel, Fernando C. Vidaurri, Glenn F. Kile
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Dec 31, 1998
Inventors
Jon F. Geibel
Fernando C. Vidaurri
Glenn F. Kile
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.