Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dennis G. Peiffer0
Bal K. Kaul0
Craig Y. Sabottke0
Date of Patent
July 6, 2010
0Patent Application Number
118902240
Date Filed
August 3, 2007
0Patent Primary Examiner
Patent abstract
This invention relates to the composition of an integrally-layered polymeric membrane and a process for utilizing the integrally-layered polymeric membrane components of a feedstream. More particularly, but not by way of limitation, this invention relates to the composition of an integrally-layered polymeric membrane and a process for utilizing the integrally-layered polymeric membrane in the separation of aromatics from a hydrocarbon based feedstream. The polymeric membranes of the present invention are fabricated by chemically crosslinking adjacent polymer membrane layers of the same or differing copolymer solutions to produce an integrally-layered polymeric membrane with improved separations properties.
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