Granted Patent
Utility
US 4,418,227 · App. 06/200,165
Improved process for hydrogenating aldehydes and ketones by employing anionic group VIII metal hydride compositions as hydrogenation catalysts
Inventors:
Guido P. Pez, Roger A. Grey
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Oct 20, 1980
Inventors
Guido P. Pez
Roger A. Grey
Assignee (at issue)
ALLIED CONSULTING, 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.