Title:
PURIFICATION OF 5-SULFOISOPHTHALIC ACID BY THE USE OF AN ACETIC ACID WASH ON A CRUDE CAKE
Document Type and Number:
WIPO Patent Application WO/2010/099532
Kind Code:
A8
Abstract:
A method for the purification of 5-sulfoisophthalic acid wherein via the application of an acetic acid wash while said crude cake of 5-sulfoisophthalic acid is filtered.
Inventors:
OSTER TIMOTHY A (US)
Application Number:
PCT/US2010/025757
Publication Date:
March 17, 2011
Filing Date:
March 01, 2010
Export Citation:
Assignee:
FUTUREFUEL CHEMICAL CO (US)
OSTER TIMOTHY A (US)
OSTER TIMOTHY A (US)
International Classes:
C07C303/44; C07C309/58
Attorney, Agent or Firm:
BAKER, Stanley, B. et al. (P.O. Box 418, Fayetteville AR, US)
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