Granted Patent
Utility
US 5,227,350 · App. 07/913,998
Fluorination catalyst regeneration
Inventors:
John David Scott, Pravin K. Dattani
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Jul 17, 1992
Inventors
John David Scott
Pravin K. Dattani
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.