PH-SENSITIVE FARVESTOFFER TIL TEKSTILMATERIALER, FREMGANGSMÅDE TIL FREMSTILLING DERAF OG ANVENDELSER DERAF
The present invention relates to novel 3-oxindole derivatives, to a process for their preparation and to the use of said derivatives as dyes for manufacturing pH sensitive textiles and as indicators in titration methods. The invention also relates to a method to manufacture pH sensitive textiles and...
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Zusammenfassung: | The present invention relates to novel 3-oxindole derivatives, to a process for their preparation and to the use of said derivatives as dyes for manufacturing pH sensitive textiles and as indicators in titration methods. The invention also relates to a method to manufacture pH sensitive textiles and to textiles so obtainedThe 3-oxindole derivatives are of formula (I) below. |
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