Granted Patent
Utility
US 6,056,871 · App. 09/229,027
Transport desulfurization process utilizing a sulfur sorbent that is both fluidizable and circulatable and a method of making such sulfur sorbent
Inventors:
Gyanesh P. Khare, Donald R. Engelbert, Bryan W. Cass
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Jan 12, 1999
Inventors
Gyanesh P. Khare
Donald R. Engelbert
Bryan W. Cass
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.