Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrrid

Details Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrrid Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrrid

1974-06-03

1979-01-09

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

546288, C09B 2936, D06P 118, D06P 326, D06P 354

Patent

active

041338065

ABSTRACT:
Azo dyes represented by the formula ##STR1## in which R.sup.2 represents alkyl of 1 to 4 carbon atoms or may also represent ethyl or propyl substituted by hydroxy or alkoxy of 1 to 4 carbon atoms, and R.sup.3 is C.sub.4 H.sub.9 --, CH.sub.3 OCH.sub.2 CH.sub.2 --, CH.sub.3 (CH.sub.2).sub.4 --, CH.sub.3 (CH.sub.2).sub.5 --, CH.sub.3 (CH.sub.2).sub.7 --, ##STR2## or cycloalkyl of 5 to 8 carbon atoms. These dyes have excellent fastness properties and are especially useful for dyeing cellulose ester and polyester fibrous materials.

REFERENCES:
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3640674 (1972-02-01), Berrie et al.

Affiliated with

Also associated with

Rating

Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrrid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrrid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Azo dyes with an N-substituted 2-hydroxy-3-cyano-4-methyl pyrrid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1787984