Isobutylene base polymer having functional group and process for preparing the same

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United States of America Patent

PATENT NO 5262502
SERIAL NO

07958764

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Abstract

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An isobutylene base polymer with a functional group having repeating units derived from isobutylene and at least one unit of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, a methyl group or an ethyl group and R.sup.2 is a divalent organic group, and a number average molecular weight of 500 to 500,000.

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Patent Owner(s)

Patent OwnerAddress
KANEGAFUCHI CHEMICAL INDUSTRY CO LTDNO 2-4 NAKANOSHIMA 3-CHOME KITA-KU OSAKA-SHI OSAKA-FU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujisawa, Hiroshi Kobe, JP 60 1299
Noda, Kouji Kobe, JP 23 382
Yonezawa, Kazuya Kobe, JP 38 563

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