Monoazo hydroxy pyridone dyestuffs containing a methylene piperi

Details Monoazo hydroxy pyridone dyestuffs containing a methylene piperi Monoazo hydroxy pyridone dyestuffs containing a methylene piperi

1973-12-17

1976-05-11

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 37R, 260 37N, 260 40R, 260 4221, 260297Z, 428423, 428474, 428480, 428500, C09B 2936, D06P 324, D06P 352, D06P 370

Patent

active

039562654

ABSTRACT:
Azo dyestuff free from carboxylic acid or sulphonic acid groups selected from the group consisting of

REFERENCES:
patent: 3213078 (1965-10-01), Benz et al.
patent: 3248379 (1966-04-01), Stanley
patent: 3252964 (1966-05-01), Fuchs et al.
patent: 3314933 (1967-04-01), Elslager et al.
patent: 3468892 (1969-09-01), Tomcufik et al.
patent: 3640674 (1972-02-01), Berrie et al.
patent: 3657214 (1972-04-01), Berrie et al.
patent: 3725383 (1973-04-01), Austin
patent: 3853895 (1974-12-01), Lamm et al.

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