7.
    发明专利
    未知

    公开(公告)号:DE69102662T2

    公开(公告)日:1995-02-09

    申请号:DE69102662

    申请日:1991-02-08

    Applicant: CANON KK

    Abstract: An ink comprises a recording agent and a liquid medium capable of dissolving or dispersing the recording agent, wherein said ink contains both a compound represented by the following Formula (I) and a compound represented by the following Formula (II). wherein R1, R2 and R3 each represent an alkyl group or a hydroxyalkyl group, and any one of them may represent a hydrogen atom; X represents an inorganic acid ion; R4 and R5 each represent a group selected from a hydrogen atom, an alkyl group and a hydroxyalkyl group; and R6 represents a group selected from a carboxyl group, a hydroxyl group, a sulfone group, an alkyl group and a hydrogen atom. The ink is suitably used in the ink-jet recording.

    8.
    发明专利
    未知

    公开(公告)号:ES2044244T3

    公开(公告)日:1994-01-01

    申请号:ES90101027

    申请日:1990-01-18

    Applicant: CANON KK

    Abstract: A recording liquid containing a dye, glycerine, an aliphatic monohydric alcohol and water. The dye is a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: [where Q1 is a phenyl group or a naphthyl group which are substituted by a lower alkyl carbonylamino group and a lower alkoxy group or a naphthyl group substituted by a SO3M group, Q2 is a naphthyl group substituted by a SO3M group or a phenyl group substituted by a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, or a phenyl group or a naphthyl group which are substituted by a SO3M group, R1 and R2 are each a lower alkyl group, a lower alkoxy group or a lower alkyl carbonylamino group, R3 is a hydrogen or a phenyl group substituted by a SO3M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation.

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