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Title:
RUBBER COMPOSITION FOR TREAD, AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2012/165038
Kind Code:
A1
Abstract:
A rubber composition for treads is provided with which not only steering stability, wear resistance, and fuel-saving properties can be improved while attaining a satisfactory balance thereamong but also wet grip performance and processability can also be improved while attaining a satisfactory balance therebetween. Also provided is a pneumatic tire obtained using the rubber composition. The rubber composition for treads comprises a terminal-modified styrene-butadiene rubber produced by solution polymerization, a butadiene rubber synthesized using a rare-earth-based catalyst, and a reinforcement.

Inventors:
KONDO TOSHIKAZU (JP)
Application Number:
PCT/JP2012/059112
Publication Date:
December 06, 2012
Filing Date:
April 03, 2012
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
KONDO TOSHIKAZU (JP)
International Classes:
B60C1/00; C08L9/00; C08K3/04; C08K3/36; C08L15/00
Domestic Patent References:
WO2009072650A12009-06-11
WO2010104149A12010-09-16
WO2008044722A12008-04-17
Foreign References:
JP2009263587A2009-11-12
JP2007262206A2007-10-11
JP2010209255A2010-09-24
JP2010241982A2010-10-28
JP2005314533A2005-11-10
JP2005213508A2005-08-11
JP2006063285A2006-03-09
JP2011122024A2011-06-23
JP2011122062A2011-06-23
JP2011116823A2011-06-16
JP2010111753A2010-05-20
JPH0653768B21994-07-20
JPH0657767B21994-08-03
JP2003514078A2003-04-15
Other References:
See also references of EP 2712890A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims:



 
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