Chromogenic quinazolines

Details Chromogenic quinazolines Chromogenic quinazolines

1982-09-22

1984-03-06

Hess, Bruce H.

Textiles: manufacturing

427151, 4283204, 4283206, 4283208, 428913, 428914, B41M 516, B41M 518, B41M 522

Patent

active

044350031

ABSTRACT:
Chromogenic quinazolines are disclosed. These compounds are particularly suitable for use as color formers in pressure-sensitive or heat-sensitive recording materials and give lightfast yellow, orange and red colorations.

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Bischler and Barad, "Zur Kenntnis der Phenmiazin derivative," Ber. 25, 3080-3097, (1892).
Bischler and Howell, "Zur Kenntnis der Phenmiazin derivative," Ber. 26, 1384-1399, (1893).
Armarego, "Quinazolines Part IV, Covalent Hydration in the Cations of Substituted Quinazolines," J. Chem. Soc., 1962, 561-572.

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