Granted Patent
Utility
US 4,361,705 · App. 06/278,822
Process for hydrogenating unsaturated compounds
Inventors:
George Marcelin, Roger F. Vogel, Harold E. Swift
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: Jun 29, 1981
Inventors
George Marcelin
Roger F. Vogel
Harold E. Swift
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.