Azo compound, tautomer thereof, and azo dye

Details Azo compound, tautomer thereof, and azo dye Azo compound, tautomer thereof, and azo dye

2006-11-28

2006-11-28

Powers, Fiona T. (Department: 1626)

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

Organic compounds

Azo

C534S769000, C534S792000, C008S692000

Reexamination Certificate

active

07141657

ABSTRACT:
An azo compound or a tautomer thereof, wherein the azo compound is represented by the following Formula (1).In Formula (1), R1represents a hydrogen atom, alkyl group, aryl group, acyl group, carbamoyl group, alkylsulfonyl group, arylsulfonyl group, or heterocyclic group; R2represents —NR5R6or —OR7; R5and R6each independently represent a hydrogen atom, alkyl group, aryl group, acyl group, carbamoyl group, alkylsulfonyl group, or arylsulfonyl group; R7represents an alkyl group or aryl group; R3represents a hydrogen atom, alkyl group, aryl group, alkoxy group, aryloxy group, acylamino group, carbamoylamino group, alkylsulfonylamino group, or arylsulfonylamino group; n is an integer of 3 to 5; and each R4, of which there are n in number, independently represents an alkyl group, aryl group, alkoxy group, aryloxy group, amino group, alkylthio group, arylthio group, acylamino group, alkylsulfonylamino group, or arylsulfonylamino group, and one R4may bind to another R4forming a ring.

REFERENCES:
patent: 7011875 (2006-03-01), Watanabe et al.
patent: 2004/0213947 (2004-10-01), Watanabe et al.
patent: A 4-59287 (1992-02-01), None
patent: A 4-201483 (1992-07-01), None
patent: A 2003-221535 (2003-08-01), None
J.Fabian and H. Hartmann, Light Absorption of Organic Colorants, Springer-Verlag, Berlin (1980).
Metwally et al., J. Indina Chem. Soc., vol. LXV, Jan. 1988, pp. 54-59.
Ernst Mohr., “87. About 1-phenyl-3-methyl-5-aminopyrazol1”, Journal fur Praktische Chemie [2] Bd. 79, 1909, 47.

Affiliated with

Also associated with

Rating

Azo compound, tautomer thereof, and azo dye does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Azo compound, tautomer thereof, and azo dye, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Azo compound, tautomer thereof, and azo dye will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3658693