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. 04, 2016
Filed:
Dec. 13, 2011
Marco Apostolo, Senago, IT;
Giovanni Comino, Monza, IT;
Marco Cristini, Urgnano, IT;
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate (Milano), IT;
Abstract
The invention pertains to a low viscosity curable (per)fluoroelastomer [fluoroelastomer (A)] having a number-averaged molecular weight of 3 000 to 45 000, said (per)fluoroelastomer comprising at least 1% moles, with respect to the total moles of recurring units, of recurring units derived from at least one (per)fluoromethoxyalkylvinylether of formula (I):CFX'═CX″OCFOR  formula (I)wherein X′ and X″, equal to or different from each other, are independently H or F; and Ris selected from the group consisting of C-C(per)fluoroalkyls, linear or branched; C-Ccyclic (per)fluoroalkyls; and C-C(per)fluorooxyalkyls, linear or branched, comprising from 1 to 3 catenary ethereal oxygen atoms [monomer (M)].