发明名称 WATER-COLOR INK
摘要 <p>PURPOSE:To provide a water-color ink containing a specific water-soluble dye, giving a recorded image having excellent water-resistance and light-resistance, exhibiting excellent magenta color tone and usable in ink-jet recording without causing clogging of nozzle. CONSTITUTION:The objective ink contains at least one kind of a water-soluble dye of formula I [Ar is group of formula II (R1 is H, alkyl, alkoxy, hydroxyalkyl, halogen or acetyl; R2 is alkanolamino, morpholyl, OH or amino; lis 0 or 1)] and contains a quaternary ammonium and quaternary phosphonium of formula III (M is N or P; R3-R6 are 1-4C alkyl, hydroxyalkyl or halogenated alkyl) as the counter ion X of said dye.</p>
申请公布号 JPS6462372(A) 申请公布日期 1989.03.08
申请号 JP19870217942 申请日期 1987.09.02
申请人 RICOH CO LTD 发明人 NAGAI KIYOFUMI;MURAKAMI KAKUJI;SHIMADA MASARU;KAMIMURA HIROYUKI
分类号 C09D11/00;C09D11/16;C09D11/17;C09D11/328 主分类号 C09D11/00
代理机构 代理人
主权项
地址