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:
Jul. 28, 2020
Filed:
Jul. 07, 2016
Applicant:
Solvay Specialty Polymers Italy S.p.a., Bollate, IT;
Inventors:
Claudio Adolfo Pietro Tonelli, Paderno d'adda, IT;
Ivan Diego Wlassics, Garessio, IT;
Giuseppe Marchionni, Milan, IT;
Assignee:
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate (MI), IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/333 (2006.01); C08G 65/00 (2006.01); C08G 65/325 (2006.01); C08G 65/334 (2006.01);
U.S. Cl.
CPC ...
C08G 65/33306 (2013.01); C08G 65/007 (2013.01); C08G 65/3255 (2013.01); C08G 65/3346 (2013.01); C08G 2650/48 (2013.01); C08G 2650/50 (2013.01);
Abstract
A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.