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:
Oct. 15, 2013
Filed:
Dec. 02, 2009
Applicants:
Giuseppe Marchionni, Milan, IT;
Silvia Petricci, Bresso, IT;
Pier Antonio Guarda, Arese, IT;
Inventors:
Assignee:
Solvay Solexis S.p.A., Bollate MI, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/00 (2006.01); C08G 73/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention pertains to novel (per)fluoropolyethers comprising at least one (per)fluoropolyoxyalkylene chain (chain R) comprising at least one recurring unit (R2) having formula: CF—CF(CFOSOF)—O— (poly(fluorosulfate) PFPE) to a process for their manufacture, and to their use for providing functional (per)fluoropolyethers.