Granted Patent
Utility
US 4,339,611 · App. 06/215,556
Process for selective formation of C.sub.4 compounds and organic sulfide-containing catalyst system used therein
Inventors:
Wayne R. Pretzer, Thaddeus P. Kobylinski, John E. Bozik
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Dec 11, 1980
Inventors
Wayne R. Pretzer
Thaddeus P. Kobylinski
John E. Bozik
Assignee (at issue)
Gulf Research & Development 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.