4-Disubstituted amino, N-substituted naphthalimide dyestuffs

Details 4-Disubstituted amino, N-substituted naphthalimide dyestuffs 4-Disubstituted amino, N-substituted naphthalimide dyestuffs

1978-02-16

1980-04-29

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

25230119, C07D22114

Patent

active

042007526

ABSTRACT:
The present disclosure is directed to novel quenchable, fluorescent dyestuffs which are substantially soluble in low surface tension, substantially non-polar oily solvents, e.g., refined kerosene, and are trisubstituted 4-aminonaphthalimides having the structure formula: ##STR1## wherein R.sub.1 is a member selected from the group consisting of:

REFERENCES:
patent: 2365106 (1945-09-01), Scalera
patent: 3147264 (1964-09-01), Klein
patent: 3362958 (1968-01-01), Schellhammer
patent: 3386920 (1968-06-01), Alburger
patent: 3425950 (1969-02-01), Derbyshire
"Alternative Fluorescent Penetrant Formulations," Allinikov et al., Paper Summaries of the 1976 National Fall Conf. of the ASNT, pp. 181-183, 9/27/76.
Metals Handbook, 8th Ed., vol. 11, pp. 20-44, ASM Handbook Committee.
Sumitani et al., Chem. Abs. 77, 7306 (1971).
Loehe et al., Chem. Abs. 83, 61703s (1975).
Sato et al., Chem. Abs. 76, 15761s (1971).

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