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.

Date of Patent:
May. 16, 1989

Filed:

May. 15, 1987
Applicant:
Inventors:

Sergio Geri, Milan, IT;

Fabio Costanzi, Milan, IT;

Cirillo: Gianna, Genova, IT;

Giovanni Moggi, Milan, IT;

Assignee:

Ausimont S.r.l., Milan, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525199 ; 525193 ; 525194 ;
Abstract

Co-vulcanizable compositions comprising (A) 55-85% by weight of a fluoroelastomeric copolymer of vinylidene fluoride with perfluoropropene and possibly tetrafluoroethylene; (B) 45-15% by weight of a copolymer of tetrafluoroethylene and propylene; (C) 0.7-2.5 parts, per 100 parts of the (A)+(B) blend, of a bisphenolic compound; (D) 0.3-1.5 parts, per 100 parts of the (A)+(B) blend, of a quaternary ammonium, phosphonium or aminophosphonium organic compound; (E) 0.4-5 parts, per 100 parts of the (A)+(B) blend, of an organic peroxide; (F) 1-5% by weight, as referred to (A)+(B), of a peroxidic cross-linking coagent.


Find Patent Forward Citations

Geri, Sergio. (1989). Co-vulcanizable compositions of fluoroelastomers having improved (U.S. Patent No. 4831083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4831083

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