Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1992-01-09
1993-12-07
Higel, Floyd D.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544 72, 544 74, 544 75, C09B 6204, C09B 1902, C07D26538
Patent
active
052684741
ABSTRACT:
The invention relates to an improved process for the preparation of dyestuffs based on at least one triphendioxazine which is linked to a further chromophore via a triazine at a pH of 5.5 to 2.0 and a temperature of 50 to 100.degree. C.
REFERENCES:
patent: 4400504 (1983-08-01), Harms et al.
patent: 4604459 (1986-08-01), Jager
patent: 4665179 (1987-05-01), Wunderlich et al.
patent: 4933446 (1990-06-01), Sawamoto et al.
patent: 5003053 (1991-03-01), Springer et al.
patent: 5122605 (1992-06-01), Pedrazzi
Bayer Aktiengesellschaft
Higel Floyd D.
LandOfFree
Process for the preparation of reactive dyestuffs does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of reactive dyestuffs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of reactive dyestuffs will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2016786