Pressure-sensitive or heat-sensitive recording material and nove

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

1979-06-25

1981-08-04

Hess, Bruce H.

Textiles: manufacturing

427151, 428307, 428537, 428913, 428914, B41M 516, B41M 518, B41M 522

Patent

active

042818559

ABSTRACT:
A pressure- or heat-sensitive recording material which contains as color former at least one 2,2-diarylchromeno compound of the formula ##STR1## wherein V.sub.1 and V.sub.2, each independently of the other, represent hydrogen, halogen, lower alkyl or lower alkoxy,

REFERENCES:
patent: 3904642 (1975-09-01), Mach et al.
patent: 3910912 (1975-10-01), Scheuermann et al.
patent: 4094877 (1978-06-01), Crounse et al.
patent: 4147509 (1979-04-01), Baumann et al.

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