Granted Patent
Utility
US 4,486,618 · App. 06/522,759
Process for separating C.sub.6 olefin hydrocarbons
Inventors:
Santi Kulprathipanja, Richard W. Neuzil
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Aug 12, 1983
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.