Granted Patent
Utility
US 6,750,374 · App. 10/223,980
Manufacture of cyclohexane from benzene and a hydrogen source containing impurities
Inventors:
John R. Sanderson, Terry L. Renken, Michael Wayne McKinney
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Aug 20, 2002
Inventors
John R. Sanderson
Terry L. Renken
Michael Wayne McKinney
Assignee (at issue)
HUNTSMAN PETROCHEMICAL LLC
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.