Monoazo chromiferous complex dyestuffs derived from naphthyl-azo

Details Monoazo chromiferous complex dyestuffs derived from naphthyl-azo Monoazo chromiferous complex dyestuffs derived from naphthyl-azo

1974-02-25

1977-03-15

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260150, C09B 4516, D06P 110, D06P 324

Patent

active

040123693

ABSTRACT:
Monoazo chromiferous dyestuffs of the formula: ##STR1## in which A and B each represent a naphthalenic nucleus, one of the residues A and B carrying a sulphonic acid group, Y.sub.1 represents --O-- or ##STR2## Y.sub.2 represents --O-- or ##STR3## and Y.sub.1 and Y.sub.2 are each in a vicinal position with respect to the azo group, D is the residue of a .beta.-diketone bidentate chelating agent and Z represents water, ammonia or pyridine, and process for the preparation of such dyestuffs.

REFERENCES:
patent: 2708193 (1955-05-01), Pfitzner et al.
patent: 2871332 (1959-01-01), Csendes
patent: 3125561 (1964-03-01), Beffa et al.
patent: 3301845 (1967-01-01), Hosokawa et al.
patent: 3356671 (1967-12-01), Johnson et al.
patent: 3538073 (1970-11-01), Mack et al.
patent: 3551406 (1970-12-01), Idelson
patent: 3728328 (1973-04-01), Lienhard et al.
Idelson et al., J. Am. Chem. Soc., vol. 88, pp. 186-187 (1966).

Affiliated with

Also associated with

Rating

Monoazo chromiferous complex dyestuffs derived from naphthyl-azo 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 chromiferous complex dyestuffs derived from naphthyl-azo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Monoazo chromiferous complex dyestuffs derived from naphthyl-azo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-424769