Pressure-sensitive copying material

Details Pressure-sensitive copying material Pressure-sensitive copying material

1975-07-08

1976-07-06

Herbert, Jr., Thomas J.

Textiles: manufacturing

260244R, 2603403, 427151, 427152, 428323, 428411, 428914, B41M 516

Patent

active

039678350

ABSTRACT:
A pressure-sensitive copying material comprising a support having thereon a microencapsulated color former capable of forming a distinct color when reacted with an electron-accepting solid, the microencapsulated color former comprising at least one benzoxazine derivative represented by the formula (Ia) ##SPC1##
, a benzodioxane derivative represented by the formula (Ib) ##SPC2##
And a mixture thereof, wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and X are as defined hereinafter.

REFERENCES:
patent: 3006917 (1961-10-01), Seegar
patent: 3244549 (1966-04-01), Farnham et al.
patent: 3684549 (1972-08-01), Shank

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