Global Patent Index - EP 2526145 A1

EP 2526145 A1 20121128 - RUBBER COMPOSITION FOR A SNOW-TIRE TREAD

Title (en)

RUBBER COMPOSITION FOR A SNOW-TIRE TREAD

Title (de)

KAUTSCHUKZUSAMMENSETZUNG FÜR EIN WINTERREIFENPROFIL

Title (fr)

COMPOSITION DE CAOUTCHOUC POUR BANDE DE ROULEMENT DE PNEUMATIQUE HIVER

Publication

EP 2526145 A1 20121128 (FR)

Application

EP 11700090 A 20110111

Priority

  • FR 1050284 A 20100118
  • EP 2011050268 W 20110111

Abstract (en)

[origin: WO2011086061A1] The invention relates to a rubber composition usable in particular as a tread for a snow tire having improved grip on melting ice, comprising at least one diene elastomer such as natural rubber and/or polybutadiene, more than 40 pce of a liquid plasticizer, 50 to 150 pce of a reinforcing filler such as silica and/or carbon black, 2 to 50 pace of water-soluble metal salt microparticles such as magnesium sulfate and 2 to 50 pce of hollow microparticles of at least one metal oxide such as aluminosilicate. The invention also relates to snow tires, the tread of which comprises such a composition.

IPC 8 full level

C08K 3/22 (2006.01); B60C 1/00 (2006.01); C08K 3/26 (2006.01); C08K 3/30 (2006.01); C08K 7/02 (2006.01); C08K 7/26 (2006.01); C08L 7/00 (2006.01); C08L 9/00 (2006.01)

CPC (source: EP)

B60C 1/0016 (2013.01); C08K 3/22 (2013.01); C08K 3/26 (2013.01); C08K 3/30 (2013.01); C08K 7/02 (2013.01); C08K 7/26 (2013.01); C08L 7/00 (2013.01); C08L 9/00 (2013.01)

Citation (search report)

See references of WO 2011086061A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

FR 2955328 A1 20110722; FR 2955328 B1 20130308; CA 2786223 A1 20110721; EA 201290670 A1 20121228; EP 2526145 A1 20121128; JP 2013517356 A 20130516; JP 5778176 B2 20150916; WO 2011086061 A1 20110721

DOCDB simple family (application)

FR 1050284 A 20100118; CA 2786223 A 20110111; EA 201290670 A 20110111; EP 11700090 A 20110111; EP 2011050268 W 20110111; JP 2012549302 A 20110111