Monoazo compounds, process for their preparation and their...

Details Monoazo compounds, process for their preparation and their... Monoazo compounds, process for their preparation and their...

C - Chemistry, Metallurgy

09

B

6/197, 260/174.7

C09B 29/20 (2006.01) C08K 5/23 (2006.01) C09B 29/01 (2006.01) D06P 1/04 (2006.01)

Patent

CA 1086310

Abstract of the disclosure: Valuable pigments are obtained by diazotizing 1-aminoben- zene-2-(carboxylic acid methyl or ethyl ester)-5-(2',3'-dichlo- ro-anilide) and coupling it onto 1-(2'-hydroxy-3'-naphthoylami- no)-4-acetamino-benzene. These pigments show a high tinctorial strength, a pure shade, a high fastness to migration, especially to overlacquerlng, to light and weathering and a high heat sta- bility.

272731

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