RECORDING LIQUID
    81.
    发明专利

    公开(公告)号:GB2133803A

    公开(公告)日:1984-08-01

    申请号:GB8330835

    申请日:1983-11-18

    Applicant: CANON KK

    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.

    RECORDING LIQUID
    84.
    发明专利

    公开(公告)号:GB2108518A

    公开(公告)日:1983-05-18

    申请号:GB8219000

    申请日:1982-07-01

    Applicant: CANON KK

    Abstract: A recording liquid comprising a recording agent for giving recorded images and a liquid medium for dissolving or dispersing the recording agent, is characterized in that the recording agent comprises at least one of the compounds represented by the following formula (A) and at least one of the compounds represented by the following formula (B): Formula (A) Wherein Q1 and Q2 each represent benzene ring residue or naphthalene ring residue, unsubstituted or substituted by amine, hydroxyl, or sulfo; R1 and R2 each represent hydrogen, hydroxyl, or amino; and R3 and R4 each represent hydrogen or sulfo in the form of salt with an alkali selected from sodium, lithium, potassium, ammonium, and amines, wherein the number of sulfo groups in the molecule is 2 to 8; Formula (B) Wherein Q3 and Q6 each represent phenyl or naphthyl, substituted or unsubstituted; Q4 and Q5 each represent 1,4-phenylene or 1,4-naphthylene, substituted or unsubstituted; R5 and R6 each represent hydrogen, hydroxyl, or amino; R7 and R8 each represent hydrogen or sulfo in the form of salt with an alkali selected from sodium, lithium, potassium, ammonium, and amines; X represents -NH-, -N=N-, or -CH=CH-; and n is 0 or 1.

    88.
    发明专利
    未知

    公开(公告)号:AT158331T

    公开(公告)日:1997-10-15

    申请号:AT92105478

    申请日:1992-03-30

    Applicant: CANON KK

    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.

    89.
    发明专利
    未知

    公开(公告)号:DE69209533D1

    公开(公告)日:1996-05-09

    申请号:DE69209533

    申请日:1992-01-17

    Applicant: CANON KK

    Abstract: An ink comprising: water, a water soluble organic solvent, and a colorant represented by the following general formula (I): wherein Q1 is a substituted phenyl group; Q2 is a substituted or unsubstituted p-phenylene or a substituted or unsubstituted 1,4-naphtylene group; Q3 is a substituted phenyl group; M is an alkali metal, ammonium or an organic ammonium; and n is 0 or 1, and wherein said colorant has at least a sulfone group and a carboxyl group and the number of said sulfone groups is not greater than the number of said carboxyl groups. Such an ink may be used for an ink jet recording.

    90.
    发明专利
    未知

    公开(公告)号:DE69204171T2

    公开(公告)日:1996-01-25

    申请号:DE69204171

    申请日:1992-01-03

    Applicant: CANON KK

    Abstract: An ink composition that includes water, a water-soluble organic solvent and a dye. The dye is represented by the following Formula, in which the number of sulfonic acid groups and the number of amino groups are each not less than 2, and the number of sulfonic acid groups is less than that of amino groups: Q1 denotes a substituted phenyl group, pyridyl group or naphthyl group; Q2 denotes a substituted or unsubstituted p-phenylene group or 1,4-naphthylene group; Q3 is a SO3M-substituted or unsubstituted diaminopyridyl group or a diaminophenyl group substituted by COOM or SO3M; M denotes an alkaline metal, ammonium or organic ammonium; and n denotes 0 or 1.

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