The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2011
Filed:
Aug. 07, 2007
Bhupender S. Minhas, Bridgewater, NJ (US);
Dennis G. Peiffer, Annandale, NJ (US);
Michael Mayers, Bethlehem, PA (US);
Lloyd S. White, Columbia, MD (US);
William A. Feehley, Kingsville, MD (US);
Bhupender S. Minhas, Bridgewater, NJ (US);
Dennis G. Peiffer, Annandale, NJ (US);
Michael Mayers, Bethlehem, PA (US);
Lloyd S. White, Columbia, MD (US);
William A. Feehley, Kingsville, MD (US);
Exxonmobil Research and Engineering Company, Annandale, NJ (US);
Abstract
A multi-layer membrane structure including 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 structure is suitable for use in an acid environment, and is suitable for recovering acid from a feed mixture comprising acid, hydrocarbons and water.