| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermosensitive recording body excellent in color developing sensitivity and also image preservability to light. <P>SOLUTION: This thermosensitive recording body includes a thermosensitive color developing layer including a compound represented by general formula (1) as an organic developer and at least one kind among compounds represented by constitutional formulae (2)-(4), wherein R<SB>a</SB>and R<SB>b</SB>represent independently a hydrogen atom or a 1-6C alkyl group, A represents an integer from 1 through 6, B represents 0, 1 or 2, m<SB>1</SB>and m<SB>2</SB>represent each independently an integer of from 0, 1 through 3 under the condition that m<SB>1</SB>and m<SB>2</SB>are not coextensively 0 and M represents CO or NR<SB>e</SB>CO (wherein R<SB>e</SB>represents a hydrogen atom or a 1-6C alkyl group.) under the condition that M is CO, m<SB>1</SB>is 1 and under the condition that m<SB>1</SB>is 0 and M is NR<SB>e</SB>CO, B is not 0 in general formula (1). <P>COPYRIGHT: (C)2004,JPO |
