Monoazo lake pigment and uses thereof

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

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

8639, 8641, 106 22D, 106 23K, 106493, 106402, 106494, 106495, 534863, 534864, 534865, C09B 6722, C09B 6300, C09D 1102, C09D 1700

Patent

active

052567729

ABSTRACT:
A monoazo lake pigment and use thereof; the monoazo lake pigment is obtained by subjecting to a coupling reaction a diazo component mixture containing a naphthalene-based or benzene-based amine having a soluble group and 0.1 to 20 mol %, based on said amine, of a naphthalene-based or benzene-based amine having no soluble group and a coupler component mixture containing either .beta.-naphthol or .beta.-oxynaphthoic acid and 0.1 to 30 mol %, based on said .beta.-naphthol or .beta.-oxynaphthoic acid, of at least one member selected from compounds of the following formulae (I) to (III), and carrying out a lake-forming reaction of a coupling reaction product during or after said coupling reaction, ##STR1## wherein each of X.sub.1, X.sub.2 and X.sub.3 is at least one water-insoluble group selected from the group consisting of a halogen atom, a lower alkoxy group, a lower alkyl group, a nitro group and an amino group substituted with a lower alkyl group.

REFERENCES:
patent: 2521908 (1950-09-01), Glass et al.
patent: 4154577 (1979-05-01), Mieder et al.
patent: 4767844 (1988-08-01), Ando 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

Monoazo lake pigment and uses thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Monoazo lake pigment and uses thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Monoazo lake pigment and uses thereof will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-960335

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