Fluorescent dyestuffs

Details Fluorescent dyestuffs Fluorescent dyestuffs

1979-09-10

1981-11-17

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260456P, 260456A, 260465R, 260465D, 260465H, 260465K, 260465G, 260508, 260509, 260510, 260512C, 560 14, 8648, 260507R, C07C14324, D06P 138

Patent

active

043010911

ABSTRACT:
Fluorescent dyestuffs of the formula ##STR1## wherein: R.sub.1 and R.sub.2 independently of one another represent hydrogen, a salt-forming cation, an alkyl radical with 1 to 8 carbon atoms or an aralkyl radical which is optionally substituted by non-chromophoric groups,

REFERENCES:
patent: 3822305 (1974-07-01), Pintschovius et al.
patent: 4013713 (1977-03-01), Weber et al.

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