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:
Jun. 21, 2016
Filed:
Oct. 30, 2013
Applicant:
Solvay Specialty Polymers Italy S.p.a., Bollate, MI (US);
Inventors:
Simonetta Antonella Fontana, Milan, IT;
Pier Antonio Guarda, Arese, IT;
Assignee:
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate (Milan), IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 51/42 (2006.01); B01D 15/42 (2006.01); B01D 15/08 (2006.01); C08G 65/00 (2006.01); C08G 65/30 (2006.01);
U.S. Cl.
CPC ...
B01D 15/424 (2013.01); B01D 15/08 (2013.01); C08G 65/007 (2013.01); C08G 65/30 (2013.01); C08G 2650/48 (2013.01);
Abstract
The invention relates to a batch chromatography process the purification of (per)fluoropolyether (PFPE) carboxylates, in particular to a process for increasing the average functionality of PFPE carboxylates mixtures.