Granted Patent
Utility
US 4,394,525 · App. 06/278,821
Process for hydrogenating aldehydes
Inventors:
Roger F. Vogel, George Marcelin, Harold E. Swift
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Jun 29, 1981
Inventors
Roger F. Vogel
George Marcelin
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.