Fluorescent dyestuffs, processes for their preparation and their

Details Fluorescent dyestuffs, processes for their preparation and their Fluorescent dyestuffs, processes for their preparation and their

1981-12-30

1985-11-05

Niebling, John F.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

372 39, 372 53, H01S 320, C09K 300

Patent

active

045512655

ABSTRACT:
Fluorescent dyestuffs of the general formula ##STR1## wherein R and R.sup.1 independently of one another represent hydrogen, a salt-forming cation, an alkyl radical with 1 to 16 C atoms or an aryl or aralkyl radical which is optionally substituted by non-chromophoric groups,

REFERENCES:
patent: 3786369 (1974-01-01), Drexhage et al.
patent: 4274062 (1981-06-01), Brinkmann et al.
patent: 4376715 (1983-03-01), Gognard et al.

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