Granted Patent
Utility
US 6,489,371 · App. 09/939,312
Fischer-Tropsch processes and catalysts with promoters
Inventors:
Wenchun Chao, Kamel Makar, Leo Manzer, Munirpallam A. Subramanian
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Aug 24, 2001
Inventors
Wenchun Chao
Kamel Makar
Leo Manzer
Munirpallam A. Subramanian
Assignee (at issue)
Conoco 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.