Compositions – Organic luminescent material containing compositions – Optical brightening compositions
Patent
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.
Erckel Rudiger
Fruhbeis Horst
Martini Thomas
Probst Heinz
Rosch Gunter
Demers Arthur P.
Hoechst Aktiengesellschaft
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