Patent ID: 7300738

Claim:
A recording material comprising, on a support, a recording layer containing a diazo compound and an azolinyl acetic acid derivative as a coupler which reacts with the diazo compound to form a color, wherein the azolinyl acetic acid derivative is a compound represented by the following general formula (1): wherein X represents an oxygen atom or a sulfur atom; R 11 represents an alkyl group, an aryl group, a heterocyclic group, —OR 13 or —NR 14 R 15 ; R 12 represents a substituent; R 13 represents an alkyl group, an aryl group or a heterocyclic group; R 14 and R 15 each independently represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; n represents an integer from 0 to 4; and when n is an integer of 2 or greater, two or more R 12 s may be linked with each other to form a ring.