Granted Patent
Utility
US 5,710,083 · App. 08/702,426
Process to rejuvenate spent zinc oxide sorbents
Inventor:
Gyanesh P. Khare
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Aug 14, 1996
Inventor
Gyanesh P. Khare
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.