Methine-azo compounds containing cyclic cationic ammonium groups

Details Methine-azo compounds containing cyclic cationic ammonium groups Methine-azo compounds containing cyclic cationic ammonium groups

Filed on

1987-06-16

Date issued

1989-07-11

Examiner

Higel, Floyd D.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Azo

Other Related Categories

534604, 534606, 534612, 534741, 534742, 544249, 546101, 546176, 546181, 546329, 548152, 548235, 548239, 548328, C09B 4400, C09B 4402, D06P 141

Type

Patent

Status

active

Patent number

048473642

Description

ABSTRACT:
Methine-azo compounds of the formula ##STR1## in which A is the complement to a heterocyclic 5- or 6-membered ring which has a quaternized N atom as a ring member, which can contain further hetero atoms and which can be substituted or/and be fused with carbocyclic or heterocyclic rings,

REFERENCES:
patent: 3185538 (1965-05-01), Voltz et al.
patent: 3331381 (1967-07-01), Raue et al.
patent: 3338660 (1967-08-01), Biedermann
patent: 3933786 (1976-01-01), Peter et al.
patent: 3956264 (1976-05-01), Raue et al.
patent: 4557732 (1985-12-01), Hahnke et al.
Voltz et al II, Chemical Abstracts, vol. 61, 12136 to 12137 (1964).
2,620,790 11-1976, W. Germany, Froy et al., 534-605, 0/11.
Voltz et al., II, Chemical Abstracts, vol. 61, 12136-2137 (1964).

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