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:
May. 12, 2020
Filed:
Dec. 12, 2016
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Anne-Lise Thuilliez, Clermont-Ferrand, FR;
Odile Gavard-Lonchay, Clermont-Ferrand, FR;
David Doisneau, Clermont-Ferrand, FR;
Cedric Loubat, Castries, FR;
Quentin Crouzet, Castries, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A rubber composition comprises at least one phenol-aldehyde resin based on: at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—H groups in the meta position relative to one another, the two positions ortho to at least one of the —O—H groups being unsubstituted; and at least one aldehyde of formula W: wherein each Arand Argroup represents, independently of one another, an optionally substituted aromatic ring; and wherein SP is a connecting group that connects at least the Arand Argroups to one another, SP separating the Arand Argroups by at least 2 covalent bonds.