Granted Patent
Utility
US 4,751,340 · App. 06/874,661
Selective production of para-aromatics
Inventors:
Regis J. Pellet, Gary N. Long, Jule A. Rabo
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Jun 16, 1986
Inventors
Regis J. Pellet
Gary N. Long
Jule A. Rabo
Assignee (at issue)
Union Carbide Corporation
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.