发明名称 INK SET FOR INKJET RECORDING AND METHOD FOR INKJET COLOR RECORDING
摘要 <P>PROBLEM TO BE SOLVED: To provide an ink set for inkjet recording improving the saturation of an image formed from pigment ink for inkjets, especially preventing the pigment particle diameter from increasing and minimizing the rise of ink viscosity and thereby improving preservation stability of the ink and to provide a method for inkjet color recording. <P>SOLUTION: The ink set for inkjet recording is composed of yellow ink, magenta ink and cyan ink. In the ink set for inkjet recording, each ink contains at least a pigment, a dispersing agent and an aqueous medium. The yellow ink contains C.I. Pigment Yellow 74 and the magenta ink contains C.I. PIgment Red 122 and C.I. Pigment Violet 19. The cyan ink contains &beta;-type copper phthalocyanine. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005041906(A) 申请公布日期 2005.02.17
申请号 JP20030199905 申请日期 2003.07.22
申请人 RICOH CO LTD 发明人 TANIGUCHI KEIJI;HAKIRI MINORU;HASEGAWA SHIN
分类号 B41J2/01;B41M5/00;B82Y30/00;C09D11/00;C09D11/322;C09D11/326;C09D11/38;C09D11/40 主分类号 B41J2/01
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