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:
Dec. 22, 2015
Filed:
Dec. 10, 2009
Luca Merlo, Montorfano, IT;
Alessandro Ghielmi, Milan, IT;
Alexander Chistyakov, Bollate, IT;
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate (Milano), IT;
Abstract
A process for the purification from ionic impurities of a fluoroionomer liquid composition, comprising: providing a liquid composition comprising at least one fluoroionomer (I-1) in a liquid medium, the liquid composition comprising ionic impurities; contacting the liquid composition with a solid particulate comprising at least one fluoroionomer (I-2) having ion exchange groups, wherein Hor OHions are bound to at least a fraction of such ion exchange groups, and separating the liquid composition from the solid particulate.
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