Brightener mixtures and their use

Details Brightener mixtures and their use Brightener mixtures and their use

1977-06-28

1978-12-12

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

25230121, 25230124, 25230128, 25230132, 260 458NZ, D06P 138

Patent

active

041294122

ABSTRACT:
Mixtures of optical brighteners containing 0.05 to 1% of a 4-benzoxazolystilbene derivative and 1 to 0.05% of a 1,4-bis-benzoxazolyl- or bis-benzthiazolyl-naphthalene derivative. These mixtures show a higher degree of whiteness than an equal amount of only one of the two components.

REFERENCES:
patent: 3709896 (1973-01-01), Frischkorn et al.
patent: 3743625 (1973-07-01), Frischkorn et al.
Gold, H, "Fluorescent Brightening Agents" in Venkataraman's The Chemistry of Synthetic Dyes, vol. V, (Academic Press, 1971), pp. 536-679.

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