Pressure-sensitive or heat-sensitive recording material

Details Pressure-sensitive or heat-sensitive recording material Pressure-sensitive or heat-sensitive recording material

1978-06-01

1980-12-09

Hess, Bruce H.

Textiles: manufacturing

106 21, 260391, 427150, 427152, 428307, 428913, 428914, B41M 516, B41M 518, B41M 522

Patent

active

042381304

ABSTRACT:
A pressure-sensitive or heat-sensitive recording material which contains as color former in its color-forming system at least one substituted tris-aminophenylmethane compound of the general formula ##STR1## wherein R.sub.1 and R.sub.2, each independently of the other, represent hydrogen, lower alkyl, benzyl or phenyl, and the rings

REFERENCES:
patent: 3418128 (1968-12-01), Huett
patent: 3493376 (1970-02-01), Fichter
patent: 3775442 (1973-11-01), Hughes
patent: 3995088 (1976-11-01), Garner et al.

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