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:
Aug. 03, 2010
Filed:
Jan. 15, 2007
Applicants:
Milena Stanga, Varese, IT;
Francesco Triulzi, Milan, IT;
Margherita Albano, Milan, IT;
Inventors:
Assignee:
Solvay Solexis S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 14/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
VDF curable fluoroelastomers, ionically cured, having a compression set after a time of 24 h (ASTM D 39/B) at −10° C. lower than 60%, preferably lower than 50% and at −25° C. lower than 90%, preferably lower than 75%, comprising hexafluoropropene (HFP) in amounts higher than 10% by moles and one vinylether of formula: CF═CFOCFOCF(a), an amount of —COF and groups in the polymer lower than the sensitivity limit of the method using the FT-IR spectroscopy described in the present application.