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:
Jul. 14, 2020
Filed:
Sep. 23, 2016
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Anne-Lise Thuilliez, Clermont-Ferrand, FR;
Odile Gavard-Lonchay, Clermont-Ferrand, FR;
Cedric Loubat, Castries, FR;
Gilles Boutevin, Castries, FR;
Quentin Crouzet, Castries, FR;
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Abstract
An aromatic polyphenol derivative which comprises at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—((C═O)(R)) group with Rrepresenting a hydrocarbon-based radical or a substituted hydrocarbon-based radical.