Stilbene compounds

Details Stilbene compounds Stilbene compounds

1975-08-06

1977-12-06

Demers, Arthur P.

Harness for working animal

25230124, 25230127, 25230128, 25230129, 542464, C07D41310

Patent

active

040618609

ABSTRACT:
Stilbene compounds of the formula ##STR1## wherein R denotes the radical ##STR2## and wherein the rings A, B, C, D and E can carry non-chromophoric substituents are useful for the optical brightening of organic materials.

REFERENCES:
patent: 3697513 (1972-10-01), Siegrist
patent: 3725395 (1973-04-01), Siegrist et al.
patent: 3732221 (1973-05-01), Siegrist et al.
patent: 3796705 (1974-03-01), Siegrist
patent: 3819615 (1974-06-01), Siegrist
patent: 3830848 (1974-08-01), Siegrist
patent: 3843633 (1974-10-01), Weber et al.
patent: 3891632 (1975-06-01), Fleck et al.
patent: 3901883 (1975-08-01), Liechti et al.
Dorlars et al., Chem. Abstracts, 1969 (71) No. 126001.
Okada et al., Chem. Abstracts, 1969 (71) No. 126004.

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