Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-06-13
2006-06-13
Wu, David W. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S332600, C525S333500, C524S161000, C524S157000, C524S173000, C524S201000, C524S202000, C524S203000
Reexamination Certificate
active
07060757
ABSTRACT:
A rubber composition comprises (1) a rubber component including at least one of polybutadiene rubber and a styrene-butadiene copolymer rubber having a content of vinyl bond of not less than 30%, (2) at least one specified compound as a vulcanization accelerator, and (3) a specified organic thiosulfate compound as a vulcanizing agent.
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Fujiki Kumi
Hojo Masahiro
Bridgestone Corporation
Lee Rip A.
Wu David W.
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