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    43.
    发明专利
    未知

    公开(公告)号：DE69001489D1

    公开(公告)日：1993-06-09

    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.

    44.
    发明专利
    未知

    公开(公告)号：AT89026T

    公开(公告)日：1993-05-15

    申请号：AT90102086

    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
    47.
    发明专利
    RECORDING LIQUID 未知

    公开(公告)号：HK38991A

    公开(公告)日：1991-05-31

    申请号：HK38991

    申请日：1991-05-23

    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.

    48.
    发明专利
    未知

    公开(公告)号：DE3575437D1

    公开(公告)日：1990-02-22

    申请号：DE3575437

    申请日：1985-11-07

    Applicant: CANON KK

    Inventor： EIDA TSUYOSHI ,  SHIOYA MAKOTO ,  KOBAYASHI MASATSUNE

    IPC: C09B67/54

    Abstract: A method for purifying a dye solution is provided for a recording liquid. The method comprises steps of dissolving a dye in a solvent and treating the resulting dye solution with a flocculant to remove colloidal matters. Filtration or centrifuging may be employed in addition to the above-mentioned flocculation treatment. There is also provided a method for producing an ink by utilizing the above-mentioned method for purifying a dye solution.

    50.
    发明专利
    未知

    公开(公告)号：FR2537150B1

    公开(公告)日：1988-07-01

    申请号：FR8319127

    申请日：1983-11-30

    Applicant: CANON KK

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

    IPC: C09B31/08 ,  C09D11/00 ,  C09D11/02 ,  C09D11/16 ,  C09B31/057 ,  G01D15/16

    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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