Heat-sensitive recording material containing a malachite green c

Details Heat-sensitive recording material containing a malachite green c Heat-sensitive recording material containing a malachite green c

1976-01-21

1977-10-18

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of silicon containing

428144, 428323, 428488, 428535, 428538, 428477, 427150, 427151, 427261, 282 275, 428496, 428481, 428512, 428514, B32B 2904, B32B 906

Patent

active

040547183

ABSTRACT:
A heat-sensitive recording material which contains as color former at least one compound of the general formula ##STR1## wherein R.sub.1 and R.sub.2, which can be the same or different, represent hydrogen, alkyl of at most 12 carbon atoms which is unsubstituted or substituted by cyano or halogen, alkoxyalkyl of 2 to 8 carbon atoms, benzyl or phenyl, R.sub.3 represents hydrogen, halogen, nitro, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, and

REFERENCES:
Ginzburg et al., "Condensation Products et al.," J. Gen. Chem. USSR, 23, 1953, pp. 1103-1106.

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