Stilbene compounds

Details Stilbene compounds Stilbene compounds

1977-11-14

1979-12-25

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

25230122, 548241, 546119, 542462, 542463, C07D41310

Patent

active

041804791

ABSTRACT:
Novel stilbene compounds of the formula ##STR1## in which A is the radical ##STR2## in which R.sub.1 is hydrogen or chlorine and R.sub.2 is hydrogen or alkyl, Z is hydrogen, chlorine or phenyl and R.sub.3 is hydrogen, alkyl or chlorine, as well as their use in a process for optically brightening organic material are described.

REFERENCES:
patent: 3288786 (1966-11-01), Strobel et al.
patent: 3585235 (1971-06-01), England et al.
patent: 3873531 (1975-03-01), Elam
patent: 4022772 (1977-05-01), Kormany et al.
patent: 4061860 (1977-12-01), Kormany et al.

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