Granted Patent
Utility
US 4,382,001 · App. 06/316,363
Use of activated carbon for separation of ethanol from water
Inventors:
Santi Kulprathipanja, Richard W. Neuzil
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Oct 29, 1981
Inventors
Santi Kulprathipanja
Richard W. Neuzil
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.