Rubber stopper for medical treatment

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United States of America Patent

PATENT NO 9080044
APP PUB NO 20130116648A1
SERIAL NO

13727347

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Abstract

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This invention is a rubber stopper for medical treatment, which is obtained by molding a resin composition containing a component (A): at least one of a block copolymer having at least two of a polymer block P containing a vinyl aromatic compound as the core and at least one of a polymer block Q containing a conjugated diene as the core and a hydrogenated block copolymer thereof, a component (B): a hydrocarbon-based softening agent for rubbers, and a component (C): a polyolefin-based resin, wherein the resin composition contains a specified amount of the component (C) based on the total amount of the component (A) and the component (B), and the resin composition has a specified molecular weight distribution.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI CHEMICAL CORPORATION1-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008251 ?1008251

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muto, Fumihiro Mie, JP 6 10

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