SCHWEFELFARBSTOFFZUBEREITUNGEN SOWIE IHRE HERSTELLUNG

A sulfur dye or sulfurized vat dye is treated in an aqueous reducing medium, preferably an aqueous mixture of alkali and reducing sugar, to form a solution which is then oxidized to form particles of the dye having improved characteristics.

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Bibliographic Details
Main Author MESZAROS, LASZLO, A
Format Patent
LanguageGerman
Published 15.03.1997
Edition6
Subjects
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Summary:A sulfur dye or sulfurized vat dye is treated in an aqueous reducing medium, preferably an aqueous mixture of alkali and reducing sugar, to form a solution which is then oxidized to form particles of the dye having improved characteristics.
Bibliography:Application Number: AT19920920831T