| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new fluoran compound and a recording material containing the same. <P>SOLUTION: This fluoran compound is expressed by general formula (1) [wherein, R<SB>1</SB>, R<SB>2</SB>are each independently 1C-12C linear or branched alkyl, 5C-12C cyclic alkyl or 3C-12C linear or branched alkoxyalkyl, and further the R<SB>1</SB>and R<SB>2</SB>bond with each other to form a heterocyclic ring together with a nitrogen atom; and R<SB>3</SB>is H or 1C-4C linear or branched alkyl], and the recording material containing the same is also provided. <P>COPYRIGHT: (C)2010,JPO&INPIT |
