Granted Patent
Utility
US 4,522,761 · App. 06/474,999
Process for separating fatty acids from rosin acids
Inventors:
Michael T. Cleary, Santi Kulprathipanja, Richard W. Neuzil
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Mar 14, 1983
Inventors
Michael T. Cleary
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.