Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2005-01-26
2009-02-24
Jagannathan, Vasu (Department: 1796)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C524S404000, C524S405000, C524S571000
Reexamination Certificate
active
07493927
ABSTRACT:
The present invention provides a rubber composition, in which reaction efficiency of the silane coupling agent in kneading is improved, generation of bubbles is suppressed, abrasion resistance is improved and rolling resistance is reduced. Specifically, the rubber composition comprises silica and 3 to 15 parts by weight of a silane coupling agent and 1.5 to 15 parts by weight of a potassium salt based on 100 parts by weight of the silica.
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Minagawa Yasuhisa
Yagi Noriko
Birch & Stewart Kolasch & Birch, LLP
Jagannathan Vasu
Ronesi Vickey
Sumitomo Rubber Industries Ltd.
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