Distyryl compounds

Compositions – Organic luminescent material containing compositions – Optical brightening compositions

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8648, 570128, C09K 1106

Patent

active

046108076

ABSTRACT:
Distyryl compounds of the formula (I) ##STR1## wherein R.sup.1 denotes hydrogen, halogen, alkyl and the like,

REFERENCES:
patent: 3825534 (1974-07-01), Weber et al.
patent: 4008224 (1977-02-01), Siegrist et al.
patent: 4097515 (1978-06-01), Siegrist et al.
patent: 4274062 (1981-06-01), Brinkmann et al.
patent: 4330427 (1982-05-01), Martini et al.
patent: 4380514 (1983-04-01), Seybold
patent: 4464284 (1984-08-01), Seybold
Rubel Optical Brighteners; Noyes Data Corp., Park Ridge, N.J., 1974, pp. 62-63.

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