Color ink jet recording method

Claim 2

A color ink jet recording method for forming a color image comprising: selectively ejecting from an ink jet recording head a yellow ink, a magenta ink, a cyan ink and a black ink to form the color image, wherein said black ink comprises a recording liquid comprising: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye being a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ##STR11## wherein Q1 is a phenyl group substituted with a lower alkylcarbonylamino group or a lower alkoxy group, a naphthyl group substituted with lower alkylcarbonylamino group and a lower alkoxy group or a naphthyl group substituted with a SO 3 M group, Q2 is a naphthyl group substituted with a SO 3 M group or a phenyl group substituted with a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, a phenyl group substituted with a SO 3 M group or a naphthyl group substituted with a SO 3 M group, R1 and R2 are each a lower alkyl group, a lower alkoxy group or a lower alkylcarbonylamino group, R3 is a hydrogen or a phenyl group substituted with a SO 3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation, wherein said Food Black 2 and said at least one compound represented by said general formulas [I] and [II] are mixed in a weight ratio from 8:2 to 2:8.

Claim 3

A color ink jet recording method according to claim 1, wherein each of said inks of yellow, magenta and cyan colors comprises a recording liquid comprising: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water.

Claim 4

A color ink jet recording method according to claim 1, wherein said yellow ink contains, as a dye, at least one of C.I. Direct Yellow 86 and C.I. Acid Yellow 23, said magenta ink contains, as a dye, at least one of a dye represented by the following formula (A) and C.I. Acid Red 52, and said cyan ink contains, as a dye, at least one of C.I. Direct Blue 199 and C.I. Acid Blue 9: ##STR12## wherein Y is a hydrogen atom, a methyl group, a methoxy group, an acetylamino group, a nitro group or forms a benzene ring together with the third carbon atom of the benzene ring B, X is an acetyl group, a benzoyl group, a paratoluenesulfonyl group, or a 4-chloro-6-hydroxy-1,3,5-triazine-2-yl group, and M1, M2 and M3 is each a base selected from the group consisting of an alkali metal, ammonium and an amine.

Claim 5

A set of ink compositions for use in a color ink jet printer, which comprises: a first component ink composition comprising a first recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye being a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ##STR13## wherein Q1 is a phenyl group substituted with a lower alkylcarbonylamino group or a lower alkoxy group, a naphthyl group substituted with a lower alkylcarbonylamino group and a lower alkoxy group or a naphthyl group substituted with a SO 3 M group, Q3 is a naphthyl group substituted with a SO 3 M group or a phenyl group substituted with a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, a phenyl group substituted with a SO 3 M group or a naphthyl group substituted with a SO 3 M group, R1 and R2 are each a lower alkyl group, a lower alkoxy group or a lower alkylcarbonylamino group, R3 is a hydrogen or a phenyl group substituted with a SO 3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation, wherein said Food Black 2 and said at least one compound represented by said general formulas [I] and [II] are mixed in a weight ratio from 8:2 to 2:8; a second component ink composition comprising a second recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye containing at least one of C.I. Direct Yellow 86 and C.I. Acid Yellow 23; a third component ink composition comprising a third recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye containing at least one of a dye represented by the following formula (A) and C.I. Acid Red 52: ##STR14## wherein Y is a hydrogen atom, a methyl group, a methoxy group, an acetylamino group, a nitro group or forms a benzene ring together with the third carbon atom of the benzene ring B, X is an acetyl group, a benzoyl group, a paratoluenesulfonyl group, or a 4-chloro-6-hydroxy-1,3,5-triazine-2-yl group, and M1, M2 and M2 is each a base selected from a group consisting of an alkali metal, ammonium and an amine; and a fourth component ink composition comprising a fourth recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye containing at least one C.I. Direct Blue 199 and C.I. Acid Blue 9.

Claim 6

A set of ink compositions for use in a color ink jet printer, which comprises: a first component ink composition comprising a first recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye being a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formulas [I] and [II]: ##STR13## wherein Q1 is a phenyl group substituted with a lower alkylcarbonylamino group or a lower alkoxy group, a naphthyl group substituted with a lower alkylcarbonylamino group and a lower alkoxy group or a naphthyl group substituted with a SO 3 M group, Q3 is a naphthyl group substituted with a SO 3 M group or a phenyl group substituted with a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, a phenyl group substituted with a SO 3 M group or a naphthyl group substituted with a SO 3 M group, R1 and R2 are each a lower alkyl group, a lower alkoxy group or a lower alkylcarbonylamino group, R3 is a hydrogen or a phenyl group substituted with a SO 3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation, wherein said Food Black 2 and said at least one compound represented by said general formulas [I] and [II] are mixed in a weight ratio from 8:2 to 2:8; a second component ink composition comprising a second recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye containing at least one of C.I. Direct Yellow 86 and C.I. Acid Yellow 23; a third component ink composition comprising a third recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye containing at least one of a dye represented by the following formula (A) and C.I. Acid Red 52: ##STR14## wherein Y is a hydrogen atom, a methyl group, a methoxy group, an acetylamino group, a nitro group or forms a benzene ring together with the third carbon atom of the benzene ring B, X is an acetyl group, a benzoyl group, a paratoluenesulfonyl group, or a 4-chloro-6-hydroxy-1,3,5-triazine-2-yl group, and M1, M2 and M2 is each a base selected from a group consisting of an alkali metal, ammonium and an amine; and a fourth component ink composition comprising a fourth recording liquid which comprises: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) an aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye containing at least one C.I. Direct Blue 199 and C.I. Acid Blue 9.

Claim 7

A color ink jet recording method for forming a color image comprising: selectively ejecting from an ink jet recording head a red ink, a green ink, a blue ink and a black ink, wherein said black ink comprises a recording liquid comprising: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) and aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye being a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formula [I] and [II]: ##STR15## wherein Q1 is a phenyl group substituted with a lower alkylcarbonylamino group or a lower alkoxy group, a naphthyl group substituted with a lower alkylcarbonylamino group and a lower alkoxy group or a naphthyl group substituted with a SO 3 M group, Q2 is a naphthyl group substituted with a SO 3 M group or a phenyl group substituted with a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, a phenyl group substituted with a SO 3 M group or a naphthyl group substituted with SO 3 M group, R1 and R2 are each a lower alkyl group, a lower alkoxy group or a lower alkylcarbonylamino group, R3 is a hydrogen or a phenyl group substituted with a SO 3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation, wherein said Food Black 2 and said at least one compound represented by said general formulas [I] and [II] are mixed in a weight ratio from 8:2 to 2:8.

Claim 8

A color ink jet recording method for forming a color image comprising: selectively ejecting from an ink jet recording head a red ink, a green ink, a blue ink and a black ink, wherein said black ink comprises a recording liquid comprising: (a) a dye, (b) glycerine, said glycerine being present in said recording liquid in an amount between about 1 wt % and 30 wt % based on the total weight of said recording liquid, (c) and aliphatic monohydric alcohol, said aliphatic monohydric alcohol being present in said recording liquid in an amount between 0.1 wt % and 10 wt % based on the total weight of said recording liquid and (d) water, said dye being a mixture of C.I. Food Black 2 and at least one compound selected from compounds which are represented by the following general formula [I] and [II]: ##STR15## wherein Q1 is a phenyl group substituted with a lower alkylcarbonylamino group or a lower alkoxy group, a naphthyl group substituted with a lower alkylcarbonylamino group and a lower alkoxy group or a naphthyl group substituted with a SO 3 M group, Q2 is a naphthyl group substituted with a SO 3 M group or a phenyl group substituted with a lower alkoxy group, Q3 is a phenyl group, a naphthyl group, a phenyl group substituted with a SO 3 M group or a naphthyl group substituted with SO 3 M group, R1 and R2 are each a lower alkyl group, a lower alkoxy group or a lower alkylcarbonylamino group, R3 is a hydrogen or a phenyl group substituted with a SO 3 M group, n is 0 or 1, and M is an alkaline metal or an ammonium cation, wherein said Food Black 2 and said at least one compound represented by said general formulas [I] and [II] are mixed in a weight ratio from 8:2 to 2:8.