Granted Patent
Utility
US 6,262,191 · App. 09/265,286
Diluent slip stream to give catalyst wetting agent
Inventors:
John D. Hottovy, David H. Burns, Scott E. Kufeld, Timothy Roetman, Ragavan Vaidyanathan
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Mar 9, 1999
Inventors
John D. Hottovy
David H. Burns
Scott E. Kufeld
Timothy Roetman
Ragavan Vaidyanathan
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.