COLORING COMPOSITION, THERMAL TRANSFER RECORDING INK SHEET, THERMAL TRANSFER RECORDING METHOD, COLOR TONER, INKJET INK, COLOR FILTER, AND ARYLIDENE-PYRAZOLONE DYE
申请人:Fujie Yoshihiko
公开号:US20110007122A1
公开(公告)日:2011-01-13
An arylidene-pyrazolone dye of the following formula (1):
wherein R
1
, R
2
, R
3
, R
4
and R
5
each independently represent a monovalent substituent; n indicates an integer of from 0 to 4; when n is 2 or more, plural R
3
's may be the same or different; and R
1
and R
2
may bond to each other to form a cyclic structure.