Granted Patent
Utility
US 6,403,524 · App. 09/254,500
Fluorination catalyst and process
Inventors:
John David Scott, Michael John Watson, Graham Ramsbottom
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Mar 8, 1999
Inventors
John David Scott
Michael John Watson
Graham Ramsbottom
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES 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.