1,3-Diphenyl substituted pyrazolines

Details 1,3-Diphenyl substituted pyrazolines 1,3-Diphenyl substituted pyrazolines

1975-01-23

1977-07-19

Moyer, Donald B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

25230127, 260311, C07D23108

Patent

active

040368513

ABSTRACT:
1,3-Diphenyl substituted pyrazolines having, in the 4- or 5-position of the pyrazoline ring, a sulpho group in free acid or salt form, and the use thereof as optical brightening agents, particularly for synthetic polyamide.

REFERENCES:
patent: 3378389 (1968-04-01), Schellhammer et al.
patent: 3661928 (1972-05-01), Rosenberger et al.
patent: 3690947 (1972-09-01), Rosch et al.
patent: 3753978 (1973-08-01), Adelsberger et al.
patent: 3865816 (1975-02-01), Mengler
patent: 3925367 (1975-12-01), Boehmke et al.

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