Process for glycol esters of an alkali metal salt of 5-sulfoisophthalic acid

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United States of America Statutory Invention Reg

PATENT NO H001760
SERIAL NO

08780474

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Abstract

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A process for preparing bis alkylene glycol esters of an alkali metal salt of 5-sulfoisophthalic acid. The subject compound is useful in preparing modified polyesters which can be dyed with basic or cationic dyes. The process is economical and low cost since intermediate reaction products are not purified.

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Patent Owner(s)

  • HOECHST CELANESE CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Elango, Varadaraj Charlotte, US 13 52
Hurley, Jeffrey S Cornelius, US 9 451
Lee, William R Coventry, US 21 699
Littau, Cheryl A Charlotte, US 38 596

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