Mixtures of optical brighteners

Details Mixtures of optical brighteners Mixtures of optical brighteners

1980-07-16

1982-05-18

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

25230121, 25230122, 25230125, 25230126, 25230127, 25230128, 25230129, C09K 1106

Patent

active

043304273

ABSTRACT:
Mixtures of optical brighteners consisting of 5 to 95 parts by weight of a mixture consisting of 0 to 80% by weight of the compound of the formula 1 ##STR1## 20 to 100% by weight of the compound of the formula 2 ##STR2## and 0 to 80% by weight of the compound of the formula 3 ##STR3## and 95 to 5% by weight of one or more other optical brighteners.

REFERENCES:
patent: 3669896 (1972-06-01), Preininger
Yamauchi et al., Chem. Abstracts 83, (1975) #61504c.

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