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
2011-01-04
2011-01-04
Mullis, Jeffrey C (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S068000, C525S069000, C525S093000, C525S098000, C525S099000, C525S088000, C525S09200D
Reexamination Certificate
active
07863378
ABSTRACT:
A thermoplastic elastomer composition comprising a thermoplastic vulcanized olefin elastomer (A) and an aromatic vinyl random copolymer (B), wherein the (A) component is a thermoplastic vulcanized elastomer composed of an ethylene-α-olefin copolymer (A-1) and a thermoplastic non-vulcanizable polymer (A-2) and the (B) component is a hydrogenated copolymer rubber composed mainly of random bonding which has an olefinic double bond hydrogenation ratio of 50% or more and comprises 10 to 49% by weight of a conjugated diene monomer and 51 to 90% by weight of an aromatic vinyl monomer.
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Hoshina Toshikazu
Nishihara Hajime
Asahi Kasei Chemicals Corporation
Birch & Stewart Kolasch & Birch, LLP
Mullis Jeffrey C
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