Azomethine dyes derived from an o-hydroxy aromatic aldehyde and

Details Azomethine dyes derived from an o-hydroxy aromatic aldehyde and Azomethine dyes derived from an o-hydroxy aromatic aldehyde and

1975-09-02

1977-09-27

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260196, 260206, 260296R, 260296N, C09B 2914, C09B 2936, D06P 102, D06P 379

Patent

active

040511197

ABSTRACT:
Azomethine dyes of the formula ##STR1## in which A is phenyl, naphthyl, phenyl substituted by up to 3 substituents or naphthyl substituted by up to 2 substituents; B is salicylaldehyde, o-hydroxy-naphthaldehyde or salicylaldehyde or o-hydroxy-naphthaldehyde substituted by up to 2 substituents and C is 2-aminopyridyl or 2-aminopyridyl substituted by up to 2 substituents. The dyes produce dyeings on metal-modified polypropylene of excellent fastness properties.

REFERENCES:
patent: 3192195 (1965-06-01), Coe
patent: 3468892 (1969-09-01), Tomcufcik et al.
patent: 3501453 (1970-03-01), Steinemann
patent: 3552906 (1971-01-01), Ramanathan et al.
patent: 3681319 (1972-08-01), Lindberg

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