New disperse dyestuffs; their preparation and their applications

Details New disperse dyestuffs; their preparation and their applications New disperse dyestuffs; their preparation and their applications

1979-11-21

1981-04-28

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

260192, 264 78, C09B 2908

Patent

active

042643260

ABSTRACT:
New disperse dyestuffs which may be used especially for the coloration of artificial or synthetic materials correspond to the general formula: ##STR1## in which R.sub.1 represents a hydrogen or halogen atom or a nitro, alkyl or alkoxy group and R.sub.2 represents a hydrogen or halogen atom or a cyano group. These dyestuffs provide colorations of very fast yellow to orange shades on polyester fibers.

REFERENCES:
patent: 1935712 (1933-11-01), Herdieckehoff et al.
Chem. Abstract, vol. 22, pp. 3640-3641, (1928).
Chem. Abstract, vol. 80, #120455a (1974).
Chem. Abstracts, vol. 83, #107665m #107666m.
Chem. Abstracts, vol. 79, #67805v (1973).
Chem. Abstracts, vol. 72, #106721n (1970).

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