Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

B - Operations, Transporting

41

M

42/3

B41M 5/323 (2006.01) C09B 55/00 (2006.01)

Patent

CA 1063348

ABSTRACT OF THE DISCLOSURE A thermographic recording process in which a dye is produced by bringing image-wise into reactive contact with the aid of heat an acid-reacting compound with a dye precursor compound corresponding to the following general formula : X - Ar - CH = N - R1 wherein : Ar represents a bivalent aromatic nucleus, R1 represents an aryl group including a substituted aryl group, and X represents a Image group wherein each of R2 and R3 (same or different) represents an alkyl group, a cycloalkyl group, an aralkyl group, or an aryl group including said groups in substituted form or R2 and R3 to- gether represent the necessary atoms to close a nitrogen- containing heterocyclic nucleus.

206986

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