RECORDING LIQUID
    72.
    发明专利

    公开(公告)号:HK72391A

    公开(公告)日:1991-09-13

    申请号:HK72391

    申请日:1991-09-05

    Applicant: CANON KK

    Abstract: A recording liquid comprises C.I.Acid Red 8 as a recording agent for forming an image and a liquid medium comprising at least (a) a member selected from the group consisting of polyethylene glycol, polyethylene glycol mono methylether and a mixture thereof, (b) a member selected from the group consisting of diethylene glycol, sulfolane and a mixture thereof, (c) a member selected from the group consisting of N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone and a mixture thereof, and (d) water.

    RECORDING LIQUID
    73.
    发明专利

    公开(公告)号:HK71891A

    公开(公告)日:1991-09-13

    申请号:HK71891

    申请日:1991-09-05

    Applicant: CANON KK

    Abstract: A recording liquid comprises a recording agent, water and a water-soluble organic solvent as essential components, wherein said recording agent comprises at least one of the dyes represented by the formula (A) shown below: (A) (wherein [Ph] represents a phthalocyanine skeleton at the center of which a metal atom may be coordinated, X represents an alkali metal or NH4, a and b each independently represent an integer of 1 to 3 satisfying the relation of 2 a straight or cyclic alkyl group having not more than 15 carbon atoms which may be branched or an aralkyl group having not more than 15 carbon atoms or an amino acid salt radical, n means an integer of 0 to 12, and R4 means H, CH3 or CH2OH).

    75.
    发明专利
    未知

    公开(公告)号:DE3517891A1

    公开(公告)日:1985-11-21

    申请号:DE3517891

    申请日:1985-05-17

    Applicant: CANON KK

    Abstract: A recording liquid mainly comprises a recording agent as an image-forming component and a liquid medium containing at least water and a glycol for dissolving or dispersing the recording agent, characterized in that the recording agent contains at least one of dyes represented by the following general formula (A): +TR wherein M represents one element selected from H, Na, Li and K, and 55 mole % or more of total M given in the general formula (A) is Na, Li or K. The recording liquid may additionally contain a water-soluble organic solvent.

    RECORDING LIQUID
    76.
    发明专利

    公开(公告)号:GB2108518B

    公开(公告)日:1985-06-12

    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.

    77.
    发明专利
    未知

    公开(公告)号:DE3433508A1

    公开(公告)日:1985-03-28

    申请号:DE3433508

    申请日:1984-09-12

    Applicant: CANON KK

    Abstract: A recording liquid comprises C.I.Acid Red 8 as a recording agent for forming an image and a liquid medium comprising at least (a) a member selected from the group consisting of polyethylene glycol, polyethylene glycol mono methylether and a mixture thereof, (b) a member selected from the group consisting of diethylene glycol, sulfolane and a mixture thereof, (c) a member selected from the group consisting of N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone and a mixture thereof, and (d) water.

    RECORDING LIQUID
    80.
    发明专利

    公开(公告)号:GB2139640A

    公开(公告)日:1984-11-14

    申请号:GB8407884

    申请日:1984-03-27

    Applicant: CANON KK

    Abstract: A recording liquid comprises a recording agent, water and a water-soluble organic solvent as essential components, wherein said recording agent comprises at least one of the dyes represented by the formula (A) shown below: (A) (wherein [Ph] represents a phthalocyanine skeleton at the center of which a metal atom may be coordinated, X represents an alkali metal or NH4, a and b each independently represent an integer of 1 to 3 satisfying the relation of 2 a straight or cyclic alkyl group having not more than 15 carbon atoms which may be branched or an aralkyl group having not more than 15 carbon atoms or an amino acid salt radical, n means an integer of 0 to 12, and R4 means H, CH3 or CH2OH).

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