Granted Patent
Utility
US 4,438,287 · App. 06/411,213
Preparation of alcohols
Inventor:
Tamotsu Imai
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Aug 25, 1982
Inventor
Tamotsu Imai
Assignee (at issue)
UOP LLC
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.