Basic phenoxazine dyestuffs

Details Basic phenoxazine dyestuffs Basic phenoxazine dyestuffs

1979-05-16

1981-09-08

Randolph, John D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Basic dye containing strongly basic onium or alkylene imine...

544 74, C09B 1900, D06P 100, D06P 152, D06P 324

Patent

active

042882273

ABSTRACT:
Disclosed is a process for imparting coloration of good light fastness to a substrate comprising or consisting of homo- and co-polymers of acrylonitrile or of dicyanoethylene, or acid modified synthetic polyamide or polyester, which process comprises mass dyeing, dyeing or printing such substrate, employing, as dyestuff, a compound or mixture of compounds of formula I, ##STR1## wherein either R is hydrogen, or a straight or branched chain C.sub.1--8 alkyl radical, unsubstituted or mono-substituted by OH, CN, Cl, Br, CONH.sub.2, C.sub.1--4 -alkoxy, phenyl, phenoxy, --O--CO--R.sub.5 or --CO--O--R.sub.5,

REFERENCES:
patent: 3806504 (1974-04-01), Mundlos et al.
patent: 3824074 (1974-07-01), Bugaut et al.
patent: 3828035 (1974-08-01), Baumann et al.
patent: 3856788 (1974-12-01), Corbett et al.
patent: 3896117 (1975-07-01), Bugaut et al.
patent: 3912732 (1975-10-01), Burdeska et al.
patent: 3928339 (1975-12-01), Mundlos et al.
Gertisser et al., Chem. Abstracts, vol. 89, abst. 112163z, (1978), (abst. of Ger. Offen. 2,742,649 pub. 4-06-78).

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