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. 03, 2025
Filed:
Jun. 28, 2022
Applicant:
Solvay Specialty Polymers Italy S.p.a., Bollate, IT;
Inventors:
Marco Avataneo, Milan, IT;
Ugo De Patto, Cogliate, IT;
Giuseppe Marchionni, Milan, IT;
Mirko Tavano, Milan, IT;
Assignee:
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/24 (2006.01); C08F 14/18 (2006.01); C08F 14/20 (2006.01); C08F 14/22 (2006.01); C08F 14/26 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
C08F 2/24 (2013.01); C08F 14/185 (2013.01); C08F 14/20 (2013.01); C08F 14/22 (2013.01); C08F 14/26 (2013.01); C08L 71/02 (2013.01);
Abstract
The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO.sub.3X.sub.a, —PO.sub.3X.sub.a and —COOX.sub.a, whereas X.sub.a is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.