13.
    发明专利
    未知

    公开(公告)号:DE2927062A1

    公开(公告)日:1980-01-17

    申请号:DE2927062

    申请日:1979-07-04

    Applicant: CANON KK

    Abstract: A liquid recording medium for use in a recording process, wherein said recording medium is discharged from a discharge orifice in a recording head and spattered in the form of droplets for recording, and containing (a) a recording agent for forming recorded images and (b) a carrier liquid capable of dissolving or dispersing the recording agent. The recording agent is a compound having 2-8 sulfo groups per molecule and having the formula (A) (A) where the Q1 radicals are similar or dissimilar members selected from phenylene and naphthylene, the Q2 radicals are similar or dissimilar members selected from phenyl and naphthyl, the Q1 radicals and the Q2 radicals may be unsubstituted or amino substituted, hydroxyl substituted or sulfo substituted, R1-R6 are similar or dissimilar members selected from hydrogen, amino, hydroxyl and sulfo, and said sulfo groups as mentioned above are all in the form of sodium salt or quaternary ammonium salt.

    18.
    发明专利
    未知

    公开(公告)号:DE69426091T2

    公开(公告)日:2001-05-10

    申请号:DE69426091

    申请日:1994-05-17

    Applicant: CANON KK

    Abstract: Disclosed herein is an azo dye compound having a structural unit represented by the following formula in its molecule: -X-Y-(R1)(R2)(R3)k [I] wherein Y is a 6-membered ring containing 2 or 3 nitrogen atoms, X is a linking group for bonding a main body of the dye molecule to Y, R1 is the first amino acid residue, R2 is an atomic group selected from the following group A, R3 is another atomic group selected from the following group B, and k is a number of 0 or 1: Group A: H, OH, NH2, CN, =O and the second amino acid residue; Group B: H, OH, NH2, CN and =O, the first and second amino acid residues being identical with or different from each other.

    19.
    发明专利
    未知

    公开(公告)号:DE69426091D1

    公开(公告)日:2000-11-16

    申请号:DE69426091

    申请日:1994-05-17

    Applicant: CANON KK

    Abstract: Disclosed herein is an azo dye compound having a structural unit represented by the following formula in its molecule: -X-Y-(R1)(R2)(R3)k [I] wherein Y is a 6-membered ring containing 2 or 3 nitrogen atoms, X is a linking group for bonding a main body of the dye molecule to Y, R1 is the first amino acid residue, R2 is an atomic group selected from the following group A, R3 is another atomic group selected from the following group B, and k is a number of 0 or 1: Group A: H, OH, NH2, CN, =O and the second amino acid residue; Group B: H, OH, NH2, CN and =O, the first and second amino acid residues being identical with or different from each other.

    20.
    发明专利
    未知

    公开(公告)号:DE69129578T2

    公开(公告)日:1998-10-15

    申请号:DE69129578

    申请日:1991-11-29

    Applicant: CANON KK

    Abstract: Provided is an ink comprising at least water, a water-soluble organic solvent, and a dye, the dye comprising a compound represented by the general formula (I): wherein R1, R2, and R3 are respectively hydrogen or SO3M; R4 is hydrogen, OCH3, NH2, NHCONH2, or SO3M; R5 is hydrogen or SO3M; R6 is hydrogen or NH2; R7 is hydrogen, CH3, or OCH3; R8 is hydrogen, COOM, or SO3M; R5 is hydrogen and R8 is COOM when both of R4 and R6 are respectively NH2; M is an alkali metal, ammonium, or organic ammonium; and m is 0 or 1, or a compound represented by the general formula (II): wherein R1 is hydrogen, CH3, COOM, or SO3M; R2 is hydrogen, CH3, or COOM; R3 is hydrogen, chlorine, COOM, or SO3M; R4 is hydrogen, OCH3, NH2, NHCONH2, or SO3M; R5 is hydrogen or SO3M; R6 is hydrogen or NH2; R7 is hydrogen, CH3, or OCH3; R8 is hydrogen, COOM, or SO3M; R5 is hydrogen and R8 is COOM when both of R4 and R6 are respectively NH2; M is an alkali metal, ammonium, or organic ammonium; and m is 0 or 1.

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