Process for manufacturing of dyestuff preparations

Details Process for manufacturing of dyestuff preparations Process for manufacturing of dyestuff preparations

1981-03-19

1982-05-04

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Dry dye composition other than mere mixture of two or more...

260208, 25230121, 34 12, C09B 6706, C09B 6710

Patent

active

043279988

ABSTRACT:
This invention relates to the preparation of low foam generating and/or low dusting dyestuff or fluorescent whitening agent formulations by continuous introduction of defoaming and/or dedusting agents into the feed stream carrying the aqueous dyestuff or fluorescent whitening agent preparation to a drying apparatus.

REFERENCES:
patent: 2070739 (1937-02-01), Krauss et al.
patent: 2574597 (1951-11-01), Salvin et al.
patent: 4069013 (1978-01-01), Hett et al.

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