Method for producing a polymer, polymer solution and polymer

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United States of America Patent

PATENT NO 9862793
APP PUB NO 20150299370A1
SERIAL NO

14440776

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Abstract

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The present invention provides a method for producing a polymer by efficiently removing residue of metals such as titanium, aluminum and lithium from a polymer solution containing the residue of these metals to successfully obtain a purified polymer solution containing a smaller amount of the metal residue and having satisfactory color tone and transparency, a polymer solution and a polymer obtained by the production method.

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Patent Owner(s)

Patent OwnerAddress
ASAHI KASEI CHEMICALS CORPORATION1-105 KANDA JINBOCHO CHIYODA-KU TOKYO 101-8101

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibuya, Kenta Tokyo, JP 7 5
Shimizu, Daisuke Tokyo, JP 94 294
Suzuki, Takuya Tokyo, JP 103 569

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