Process for quenching fluorescence, and new cationic or amphoter

Details Process for quenching fluorescence, and new cationic or amphoter Process for quenching fluorescence, and new cationic or amphoter

1985-04-10

1987-09-22

Terapane, John F.

Compositions

Radiation sensitive

8102, 8568, 8566, 8606, 568924, 568931, G03C 100

Patent

active

046954058

ABSTRACT:
To quench the fluorescence produced by anionic fluorescent brighteners use is made of virtually colorless, water-soluble cationic or amphoteric compounds which contain in the molecule at least one ammonium group, at least two aryl, arylene, hetaryl and/or hetarylene groups and at least one nitro group.

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patent: 4536254 (1985-08-01), Falk et al.
patent: 4584339 (1986-04-01), Lundberg et al.
Pajeda, Liet. TSR Aukst. Mokyklu Mokslo Darb. Chem. Chem. Technol. 16, 233-8, 1974.
Lindley et al., J.C.S. Perkin I, pp. 982-994 (1979).
Cook et al., JCS Perkin II, pp. 1293-1301, 1984.
Abdullah et al., J. Photochemistry 28, pp. 61-69, 1985
Beling et al., Chem. Physics 101, pp. 165-173, 1986.

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