Granted Patent
Utility
US 4,329,280 · App. 06/252,745
Process for separating esters of fatty and rosin acids
Inventors:
Michael T. Cleary, Santi Kulprathipanja, Richard W. Neuzil
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Apr 10, 1981
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.