Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2007-08-07
2010-11-23
Menon, Krishnan S (Department: 1797)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C210S650000, C210S652000, C210S653000, C210S500410, C210S321760, C210S321840
Reexamination Certificate
active
07837880
ABSTRACT:
A crosslinked polymeric membrane, such as a crosslinked polyvinyl sulfate membrane or a crosslinked copolymer polyvinyl sulfate and polyvinyl alcohol membrane, is provided. The membrane is suitable for use in an acid environment, and is suitable for recovering acid from a feed mixture comprising acid, hydrocarbons and water.
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Dalrymple David C.
Minhas Bhupender S.
Peiffer Dennis G.
Bordelon Bruce M.
Carter Lawrence E
ExxonMobil Research and Engineering Company
Menon Krishnan S
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