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    21.
    发明专利
    未知

    公开(公告)号：DE69222245D1

    公开(公告)日：1997-10-23

    申请号：DE69222245

    申请日：1992-03-30

    Applicant: CANON KK

    Inventor： EIDA TSUYOSHI ,  YAMAMOTO MAYUMI ,  YAMAMOTO TAKAO

    IPC: B41J2/175 ,  C09B31/18 ,  C09D11/00 ,  B41J2/01

    Abstract: Disclosed herein is an azo compound represented by the general formula wherein R1, R2 and R3 mean individually a group or atom selected from the class consisting of a hydrogen atom, alkyl groups having 1 to 4 carbon atoms, a methoxy group, halogen atoms, COOM and COOR4 in which R4 is an alkyl group having 1 to 4 carbon atoms, and M denotes an alkali metal atom, or an ammonium or organic ammonium ion. An ink containing this compound is suitable for use in an ink-jet recording.

    INK,AND RECORDING PROCESS USING THE SAME
    25.
    发明专利
    INK,AND RECORDING PROCESS USING THE SAME 未知

    公开(公告)号：HK137093A

    公开(公告)日：1993-12-24

    申请号：HK137093

    申请日：1993-12-16

    Applicant: CANON KK

    Inventor： SHIROTA KATSUHIRO ,  EIDA TSUYOSHI ,  SAITO MEGUMI ,  YAMAMOTO TAKAO

    IPC: B41M5/00 ,  C09B31/20 ,  C09D11/00 ,  C09D11/02

    Abstract: The present invention provides an ink comprising a dye and a liquid medium, wherein said dye is a dye of Formula (I): wherein R1 and R2 represent independently an alkyl group, an alkoxy group or an acetylamino group; R3 represents -SO3M or a hydrogen atom; R4 represents a hydrogen atom, -SO3M or -NHR5, where R5 represents a hydrogen atom, a phenyl group that may have a substituent, or a group of the formula where R6 and R7 represent independently a hydrogen atom or -C2H4OH; M represents an alkali metal, an ammonium group or an organic amonium group; and l, m and n represent independently an integer of 0 or 1.

    28.
    发明专利
    未知

    公开(公告)号：DE69001489T2

    公开(公告)日：1993-10-21

    申请号：DE69001489

    申请日：1990-02-02

    Applicant: CANON KK

    Inventor： SHIROTA KATSUHIRO ,  EIDA TSUYOSHI ,  SAITO MEGUMI ,  YAMAMOTO TAKAO

    IPC: B41M5/00 ,  C09B31/20 ,  C09D11/00 ,  C09D11/02

    Abstract: The present invention provides an ink comprising a dye and a liquid medium, wherein said dye is a dye of Formula (I): wherein R1 and R2 represent independently an alkyl group, an alkoxy group or an acetylamino group; R3 represents -SO3M or a hydrogen atom; R4 represents a hydrogen atom, -SO3M or -NHR5, where R5 represents a hydrogen atom, a phenyl group that may have a substituent, or a group of the formula where R6 and R7 represent independently a hydrogen atom or -C2H4OH; M represents an alkali metal, an ammonium group or an organic amonium group; and l, m and n represent independently an integer of 0 or 1.

    RECORDING LIQUID
    30.
    发明专利
    RECORDING LIQUID 未知

    公开(公告)号：GB2133803B

    公开(公告)日：1986-08-20

    申请号：GB8330835

    申请日：1983-11-18

    Applicant: CANON KK

    Inventor： KOBAYASHI MASATSUNE ,  EIDA TSUYOSHI ,  KOIKE SHOJI ,  YOKOYAMA YASUMASA ,  KOMORI TOMOKO

    IPC: C09B31/08 ,  C09D11/00 ,  C09D11/02 ,  C09D11/16

    Abstract: A recording liquid comprising coloring matter, which is an image-forming component, and a liquid medium for dissolving or dispersing the coloring matter, the recording liquid being characterized by containing at least one of the dyes represented by the following general formula (A), as an image-forming component, Q1-N=N-Q2-N=N-Q3 (A) wherein Q1 and Q3 each represent a substituted phenyl or naphthyl group having at least one SO3M substituent and Q2 represents a substituted naphthyl group having at least one SO3M substituent, M being a base selected from Na, K, Li, NH4, and amine salt cations. A recording liquid comprising coloring matter, which is an image-forming component, and a liquid medium for dissolving or dispersing the coloring matter, the recording liquid being characterized by containing at least one of the dyes represented by the following general formula (B), as an image-forming component, (B) wherein; R represents one member selected from the group consisting -COCH3, +TR R7, R8 and R9 each being a member selected from the group consisting of H, CH3, C2H5, Cl, NH2, OH and OCH3: and M represents a base selected from Na, K, Li, NH4, and amine salt cations.

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