Organic compounds -- part of the class 532-570 series – Organic compounds – Fatty compounds having an acid moiety which contains the...
Reexamination Certificate
2005-03-08
2005-03-08
Carr, Deborah D. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Fatty compounds having an acid moiety which contains the...
C560S130000, C560S142000
Reexamination Certificate
active
06864381
ABSTRACT:
A process for preparing acyloxybenzenesulfonates by reacting a carboxylic acid derivative with a salt of a phenolsulfonic acid in the presence of an antioxidant, preferably 2,6-di-tert-butyl-4-methylphenol. The addition of such antioxidants gives a product having a high color quality.
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Lerch Alexander
Mueller Wolf-Dieter
Seebach Michael
Carr Deborah D.
Clariant GmbH
Silverman Richard P.
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