Mixtures of optical brighteners

Compositions – Organic luminescent material containing compositions – Optical brightening compositions

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Details

25230122, 25230124, 25230128, 25230132, C09K 1106

Patent

active

044167954

ABSTRACT:
Mixtures of optical brighteners composed of

REFERENCES:
patent: 3974172 (1976-08-01), Sahm et al.
patent: 4122257 (1978-10-01), Prossel et al.
patent: 4330427 (1982-05-01), Martini et al.
patent: 4336155 (1982-06-01), Martini et al.

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