Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2005-07-19
2005-07-19
Balasubramanian, Venkataraman (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
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.
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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.
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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.
Koppes William M.
Sitzmann Michael E.
Balasubramanian Venkataraman
The United States of America as represented by the Secretary of
Zimmerman Frederic
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