Anthraquinone dyes, process for their preparation, and use there

Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Azo – acridone – or quinone dye

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

8679, 8680, 8696, 8924, 260371, 260372, 260374, C09B 134, D06P 140

Patent

active

045015929

ABSTRACT:
The invention relates to dyes of the formula ##STR1## wherein X is oxygen or sulfur, R is hydrogen or C.sub.1 -C.sub.4 alkyl, Y is an unsubstituted or substituted aryl radical, n is 1, 2 or 3, the benzene ring A may be substituted by halogen and the benzene rings B and D may each independently be substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or a radical of the formula --O--CH.sub.2 CH.sub.2 --O--R.sub.1, wherein R.sub.1 is hydrogen, methyl or ethyl. These dyes are suitable for dyeing or printing natural or synthetic polyamide fibres.

REFERENCES:
patent: 3320287 (1967-05-01), Schwander
patent: 3665019 (1972-05-01), Singer
patent: 4188187 (1980-02-01), Mislin et al.
patent: 4309180 (1982-01-01), Lacroix et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Anthraquinone dyes, process for their preparation, and use there does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Anthraquinone dyes, process for their preparation, and use there, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anthraquinone dyes, process for their preparation, and use there will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-515249

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.