Stabilizer composition for dyestuffs

Details Stabilizer composition for dyestuffs Stabilizer composition for dyestuffs

1973-10-31

1976-03-30

Lovering, Richard D.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

252357, C09B 2700, B01F 1716

Patent

active

039472477

ABSTRACT:
A stabilizer compound for dyestuffs is prepared by reacting a quaternary heterocyclic nitrogeneous compound and an azo derivative. The reaction is carried out in a non-acid medium. The stabilizers produced from the condensation reaction hereof can be subsequently reacted with suitable dye forming or coupling compounds to form a dyestuff. Dyestuffs produced hereby are useful in dyeing both natural or cellulosic fibers as well as synthetic fibers. The products hereof are useful as printing compositions and evidence excellent shelf life.

REFERENCES:
patent: 2042696 (1936-06-01), Bader
patent: 2214559 (1940-09-01), Lecher
patent: 2402611 (1946-06-01), Dickey
patent: 2815259 (1957-12-01), Glietenberg
patent: 2953422 (1960-09-01), Posselt
patent: 3003844 (1961-10-01), Jelinek
patent: 3081141 (1963-03-01), Harmuth

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