Paper-coating slips containing fluorescent brighteners

Compositions – Organic luminescent material containing compositions – Optical brightening compositions

Patent

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Details

25230125, 25230126, 25230129, C09B 2314

Patent

active

048881287

ABSTRACT:
Fluorescent brightener salts of the formula ##STR1## in which A denotes the anion of an anionic cellulose fluorescent brightener,

REFERENCES:
patent: 3954740 (1976-05-01), Fringeli
patent: 4374643 (1983-02-01), Suzuki et al.
patent: 4388079 (1983-06-01), Suzuki et al.
patent: 4466900 (1984-08-01), Horlacher et al.
patent: 4717502 (1988-01-01), Schmid

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