Granted Patent
Utility
US 6,733,572 · App. 10/210,566
Separation of propylene and dimethylether from hydrocarbon mixtures
Inventors:
Sebastian C. Reyes, Krishnan V. Venkatesan, Gregory J. DeMartin, John H. Sinfelt, Karl G. Strohmaier, Jose G. Santiesteban
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Jul 30, 2002
Inventors
Sebastian C. Reyes
Krishnan V. Venkatesan
Gregory J. DeMartin
John H. Sinfelt
Karl G. Strohmaier
Jose G. Santiesteban
Assignee (at issue)
ExxonMobil Chemical Patents Inc.
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.