Granted Patent
Utility
US 4,480,115 · App. 06/476,310
Direct hydrogenation of carboxylic acids to alcohol and esters
Inventor:
James L. McGinnis
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Mar 17, 1983
Inventor
James L. McGinnis
Assignee (at issue)
Celanese GmbH
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.