Pressure-sensitive recording or copying material

Details Pressure-sensitive recording or copying material Pressure-sensitive recording or copying material

1978-05-24

1980-07-01

Hess, Bruce H.

Textiles: manufacturing

106 21, 427150, 427151, 427152, 428307, 428530, 428914, B41M 516, B41M 522

Patent

active

042103452

ABSTRACT:
Pressure-sensitive recording or copying materials which contain, in their color reactant system, as developers for the color-forming agent, at least one mono- or poly-aldehyde which is electronegatively substituted, especially by halogen, and/or the reaction products thereof with an organic compound containing hydroxyl groups, or the precursors thereof.

REFERENCES:
patent: 3649357 (1972-03-01), Davis et al.
patent: 3823022 (1974-07-01), Thomas
patent: 3896255 (1975-07-01), Kato et al.
patent: 3900218 (1975-08-01), Miyamota et al.
patent: 4025399 (1977-05-01), Matsumoto et al.
Hackh's Chemical Dictionary, 4th ed., 1969, p. 111.

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