Colorant compositions

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system

Reexamination Certificate

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Details

C544S209000, C008S405000, C149S056000

Reexamination Certificate

active

06919453

ABSTRACT:
Colorant compositions, and intermediate chemical compositions of colorant compositions are made from 1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-substituted compounds.

REFERENCES:
patent: 2473797 (1949-06-01), Kaiser et al.
patent: 2475440 (1949-07-01), Walter
patent: 3061605 (1962-10-01), D'Alelio
patent: 3725067 (1973-04-01), Bailey et al.
patent: 3758309 (1973-09-01), Bailey et al.
patent: 3939084 (1976-02-01), Sullivan
patent: 4236003 (1980-11-01), Fletcher
patent: 4549018 (1985-10-01), Siedle
patent: 4565815 (1986-01-01), Kim et al.
patent: 4621046 (1986-11-01), Sato et al.
patent: 49027287 (1974-03-01), None
Article: “The Synthesis and Dimeoth-Type Rearrangement of 5,7-Bis(dimethylamino)-3-(methylthio)-s-triazolo[4,3-a]-s-triazine”, DeMilo et al., J. Heterocyclic Chem. 10, 231 (Apr. 1973), pp 231-233.
Article: “New Synthesis of Dyes of the Triazine”, Series II. VAT Dyes of the Triazolo-Triazine Series by A. Titkov and I.D. Pletnev, Scientific Research Institute of Intermediates and Dyes, translated from Zhurnal Obshchel Khimil, vol. 33, No. 4, pp. 1355-1357, Apr. 1963.
Abstract: No. 93042a Basic azo dye. Maeda, Hhigeo et al. (40-Dyes, vol. 81, 1974), referencing Maeda et al. Japan Kokai 74 24,226.
Abstract: No. 122766x Basic azo dye. Maeda, Hhigeo et al. (40-Dyes, vol. 81, 1974), referencing Maeda et al. Japan Kokai 74 27,287.
Article: “Chemistry of Dicyandiamide V Structures of Guanazo- and Pyro-Guanazoles, and Reaction of Dicyandiamide with 3-Amino-5-Substituted-1,2,4,4H-Triazoles”, kaiser et al. J. Organic Chemistry, vol. 18, 1953, pp. 1610-1614.

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