发明授权
- 专利标题: Aqueous ink composition for ink-jet recording
- 专利标题(中): 用于喷墨记录的水性油墨组合物
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申请号: US790181申请日: 1985-10-22
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公开(公告)号: US4737190A公开(公告)日: 1988-04-12
- 发明人: Masaru Shimada , Toshiyuki Kawanishi , Kakuji Murakami , Tamotsu Aruga , Hiroyuki Uemura
- 申请人: Masaru Shimada , Toshiyuki Kawanishi , Kakuji Murakami , Tamotsu Aruga , Hiroyuki Uemura
- 申请人地址: JPX Tokyo
- 专利权人: Ricoh Company, Ltd.
- 当前专利权人: Ricoh Company, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX59-221281 19841023
- 主分类号: C08J3/02
- IPC分类号: C08J3/02 ; C08L83/04 ; C09B33/12 ; C09B43/16 ; C09B62/04 ; C09D5/00 ; C09D11/00 ; C09D183/04 ; C09D11/02
摘要:
An aqueous ink composition for ink-jet recording comprising an aqueous solution of a water-soluble dye of formula (I) and a humectant dissolved in water: ##STR1## wherein R.sup.1 and R.sup.2 each represent hydrogen, an alkyl group, an alkoxy group, halogen, a carboxyl group or a sulfonic acid group; R.sup.3 and R.sup.4 each represent a hydroxyl group, halogen, an alkoxy group, an unsubstituted or substituted amino group; X represents --O--, --CH.sub.2 --, --C.sub.2 H.sub.4 --, --CH.dbd.CH--, --S--, --SO.sub.2 -- or --; Ar.sup.1 and Ar.sup.2 each represent an unsubstituted or substituted phenyl group, an unsubstituted or substituted naphthyl group; M represents hydrogen ion, an alkali metal cation, amine cation or an ammonium ion; and n is an integer of 1, 2 or 3.
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