Compositions for the optical whitening of organic materials and

Details Compositions for the optical whitening of organic materials and Compositions for the optical whitening of organic materials and

1978-11-30

1980-08-05

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

8648, 252 95, 252 99, 25230121, 260505R, 585 25, C11D 342, C11D 944

Patent

active

042161053

ABSTRACT:
Compounds of the general formula R--CH.dbd.CH--W--CH.dbd.CH--R.sup.1 are described in which R and R.sup.1 are independently phenyl, diphenyl, naphthyl, indyl, tetrahydronaphthyl or acenaphthenyl and W is divalent phenyl, diphenyl, naphthyl, tetrahydronaphthyl or acenaphthenyl group, which groups may be substituted, the compounds containing at least one non-aromatic ring. Such compounds are useful as optical whitening agents, for example in textile material or paper.

REFERENCES:
patent: 3627758 (1971-12-01), Weber et al.
patent: 3984399 (1976-10-01), Weber et al.
patent: 4013713 (1977-03-01), Weber et al.

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