Granted Patent
Utility
US 6,503,465 · App. 09/564,495
Two-stage isomerization of saturated C6 hydrocarbons
Inventors:
Fan-Nan Lin, Edgar D. Davis
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: May 4, 2000
Inventors
Fan-Nan Lin
Edgar D. Davis
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.