Granted Patent
Utility
US 6,437,201 · App. 08/817,735
Production of hydrofluoroalkanes
Inventors:
Paul Nicholas Ewing, Richard Powell, Michael Anthony Davies, Christopher Skinner
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Apr 24, 1997
Inventors
Paul Nicholas Ewing
Richard Powell
Michael Anthony Davies
Christopher Skinner
Assignee (at issue)
Ineos Fluor Holdings Limited
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.