Water-soluble azo dyestuffs, their preparation and utilization

Details Water-soluble azo dyestuffs, their preparation and utilization Water-soluble azo dyestuffs, their preparation and utilization

C - Chemistry, Metallurgy

09

B

8/26, 260/168.1,

C09B 29/06 (2006.01) C09B 62/51 (2006.01)

Patent

CA 1038377

Abstract of the disclosure: Fiber-reactive azo dyestuffs are obtained by diazotizing an amine of the formula Image in which Z stands for -CH2-CH2-A , or -CH=CH2 in which A is N,N-dialkylamino with 1 to 4 carbon atoms in each alkyl moiety or is the radical of a mono- or poly-basic acid capable of being split off by an alkaline agent and coupling it with an azo component of the formula H-B, in which B is aniline, naphthol, naphthylamine, aminonaphthol, pyridone, aminopyridine, 1-phenyl-4-aminopyrazole or 1-phenyl- 5-pyrazolone, unsubstituted or substituted on the aromatic and/or heterocyclic moieties by one to four groups selected from alkyl, alkixy, oxalkyl, cyanoalkyl, aminoalkyl or alkoxyalkyl with 1 to 6 carbon atoms in each alkyl and alkoxy moiety, chlorine and bromine, sulfonic acid, vinylsulfonyl, carboxyl, acylamino an darylamino groups.

211552

Affiliated with

Also associated with

Rating

Water-soluble azo dyestuffs, their preparation and utilization does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Water-soluble azo dyestuffs, their preparation and utilization, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Water-soluble azo dyestuffs, their preparation and utilization will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-816340