Method for making sulfonated block copolymers, method for making membranes from such block copolymers and membrane structures

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United States of America Patent

PATENT NO 8012539
SERIAL NO

12118073

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Abstract

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alcohol to residual carboxylic acid, resulting in an improved sulfonated block copolymer solution. The present invention further relates to the use of such sulfonated block copolymer solutions to prepare various membranes and other articles.

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Patent OwnerAddress
STEPAN COMPANY22 W FRONTAGE ROAD NORTHFIELD IL 60093

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dado, Gregory Paul Chicago, US 8 82
Handlin,, Jr Dale Lee Houston, US 19 224
Trenor, Scott Russell Houston, US 12 251

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