FR818074A -
2,3-Hydroxynaphthoic acid arylamides, azo dyes prepared from these arylamides and process for the preparation of these arylamides and dyes
- Google Patents
2,3-Hydroxynaphthoic acid arylamides, azo dyes prepared from these arylamides and process for the preparation of these arylamides and dyes
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IG Farbenindustrie AG
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IG Farbenindustrie AG
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C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07C233/12—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by halogen atoms or by nitro or nitroso groups
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FR818074D1937-02-191937-02-19
2,3-Hydroxynaphthoic acid arylamides, azo dyes prepared from these arylamides and process for the preparation of these arylamides and dyes
ExpiredFR818074A
(en)
O-aminoaryl-alkyl-sulfones and o-aminoaryl-aralkyl-sulfones, azo dyes prepared from these sulfones and process for the preparation of these sulfones and dyes
Carboxylic acids belonging to the anthraquinonic series, acid dyes for wool derived from these acids and process for the preparation of these various substances