Granted Patent
Utility
US 5,283,369 · App. 07/856,232
Selective synthesis of mercaptans and catalyst therefor
Inventors:
Roger T. Clark, James A. Elkins, Jr.
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Mar 24, 1992
Inventors
Roger T. Clark
James A. Elkins, Jr.
Assignee (at issue)
Elf Atochem North America, Inc.
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.