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Philip Arthur Newton
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Coloring
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Abstract
17,027. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. July 22. Monoazo dyes are obtained by combining the diazo compounds of aminoanthraisothiazole sulphonic acids with acetoacetic ester, amide, or arylamides. Products are specified from 4- amino-1-anthraisothiazole-8-sulphonic acid and acetoacetic ester, amide, anilide, or o-chloranilide, also from 2-amino-1-anthraisothiazole-3- sulphonic acid. The products dye wool yellow shades in acid baths.
GB191217027D1912-07-221912-07-22Manufacture and Production of New Yellow Wool Dyestuffs of the Anthracene Series.
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