Brevet : EP1172424 - COMPOSITION D'AMORCE

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Titre

COMPOSITION D'AMORCE

N° et date de publication de la demande

EP1172424 - 16/01/2002

Type de la demande

A1

N° et date de dépôt

EP01946879.2 - 26/01/2001

N° et date de priorité

JP2000020705 - 28/01/2000

Abrégé

Résumé dans la langue de publication , A primer composition comprising: (A) 100 parts by weight of a reactive acrylic resin comprising a main chain composed of a copolymer of two types of alkylmethacrylates having different number of carbon atoms and a side chain having a group with a hydroxyl group and at least one aromatic ring; (B) 100 to 500 parts by weight of a silane compound obtained by reaction of an aminosilane having two amino groups with dialkoxyepoxysilane and trialkoxyepoxysilane at a predetermined ratio; (C) 10 to 300 parts by weight of an epoxy resin of bisphenol A type having an epoxy equivalent of 1,000 to 2,000 g/eq.; and (D) 100 to 500 parts by weigh of carbon black is provided. The composition is excellent in storage stability and can retain excellent adhesion during the time from the coating of the primer until the coating of a sealant and further is excellent in weatherability.

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INTERVENANTS

Déposant

YOKOHAMA RUBBER CO LTD (THE YOKOHAMA RUBBER CO., LTD.) - JP

Titulaire

THE YOKOHAMA RUBBER CO., LTD.

Inventeur

MATSUDA HIDEYUKI (MATSUDA, HIDEYUKI) - JP

MIYATA AKIHIRO (MIYATA, AKIHIRO) - JP

ISHIKAWA KAZUNORI (ISHIKAWA, KAZUNORI) - JP

Mandataire

CABINET WEINSTEIN - 176 AVENUE CHARLES DE GAULLE - 92201 NEUILLY SUR SEINE - FR - N° Siren : 334924149

STATUT EN FRANCE : Dossier déchu définitivement

Délivrance

29/03/2006

Remise de traduction du brevet

17/11/2006 (BOPI 2006-46)

Date de constatation de déchéance

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