Cationic fluorescent whitening agents

Details Cationic fluorescent whitening agents Cationic fluorescent whitening agents

1982-09-22

1984-02-21

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

8648, 8918, 8924, 8927, 25230128, 2602456, 260925, 427158, 542459, 544140, 544371, 546 99, 548256, 548327, 548379, C07D40504, C07D41302

Patent

active

044328869

ABSTRACT:
Cationic fluorescent whitening agents of the formula ##STR1## wherein B is a fluorescent whitening agent containing basic tertiary amino groups, m is the number of basic amino groups, and each of R.sub.1, R.sub.2 and R.sub.3 is alkyl of 1 to 4 carbon atoms which is unsubstituted or substituted by non-chromophoric groups, or is alkenyl of 2 to 4 carbon atoms which is unsubstituted or substituted by non-chromophoric groups. These compounds have good solubility in water and they make it possible to prepare concentrated solutions and can be used for whitening organic material.

REFERENCES:
patent: 3507937 (1970-04-01), Zimmerer
patent: 3630895 (1971-12-01), Krause
patent: 4001138 (1977-01-01), Lohmann
patent: 4085101 (1978-04-01), Mercer
patent: 4263431 (1981-04-01), Weber et al.
patent: 4304569 (1981-12-01), Engelhardt

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