Block copolymer

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United States of America Patent

PATENT NO 8895675
SERIAL NO

12159143

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Abstract

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A block copolymer comprising two or more of blocks of the following formula (1), wherein at least two of a plurality of m's present in the copolymer represent a number of 5 or more, Ar's in adjacent two blocks in the copolymer are mutually different, and the copolymer has two Ar's when composed of 2 blocks of the formula (1), has two or more Ar's when composed of 3 blocks of the formula (1) and has four or more Ar's when composed of 4 or more blocks of the formula (1):

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Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anryu, Makoto Tsukuba, JP 30 109
Fukushima, Daisuke Tsukuba, JP 45 143
Higashimura, Hideyuki Tsukuba, JP 61 348
Ohuchi, Kazuei Tsukuba, JP 33 140
Okada, Akihiko Tsukuba, JP 40 601

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