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US5017227A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording liquid and ink-jet recording process using same

Assignee: Canon Inc
•
Filing: 1989-07-26
•
Granted: 1991-05-21
•
Expires: 2009-07-26
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Abstract

Abstract A recording liquid comprising dyes and a liquid medium, wherein the dyes include a black dye and at least one water-soluble dye of a magenta dye and a yellow dye in combination. The black dye is selected from the group, C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187.

Inventors

  • 👤 Shoji Koike
  • 👤 Tsuyoshi Eida
  • 👤 Takao Yamamoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:32
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 84 words
A recording liquid comprising: (a) a black dye selected from the group consisting of C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187; (b) at least one water soluble dye selected from the group consisting of a magenta dye and a yellow dye; and (c) a liquid medium for dissolving said dyes, wherein said black dye is present in a proportion of from 40 to 95% by weight based on the total weight of said dyes in said recording liquid.
Claim 2
Dependent Claim 84 words
A recording liquid comprising: (a) a black dye selected from the group consisting of C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187; (b) at least one water soluble dye selected from the group consisting of a magenta dye and a yellow dye; and (c) a liquid medium for dissolving said dyes, wherein said black dye is present in a proportion of from 40 to 95% by weight based on the total weight of said dyes in said recording liquid.
Claim 3
Dependent Claim 33 words
A recording liquid according to claim 1, wherein said black dye is contained in a proportion of from 45 to 90% by weight based on all the dyes contained in said recording solution.
Claim 4
Dependent Claim 18 words
A recording liquid according to claim 1, wherein said liquid medium comprises water and a water-soluble organic solvent.
Claim 5
Dependent Claim 33 words
A recording liquid according to claim 3, wherein said water-soluble organic solvent is selected from the group consisting of glycerol and polyethylene oxide having a degree of polymerization of from 2 to 6.
Claim 6
Dependent Claim 33 words
A recording liquid according to claim 4, wherein said water-soluble organic solvent is contained in an amount of from 2 to 65% by weight based on the total weight of the recording liquid.
Claim 7
Dependent Claim 31 words
A recording liquid according to claim 1, wherein said yellow dye is selected from the group consisting of C.I. Direct Yellow 86, C.I. Direct Yellow 142 and C.I. Acid Yellow 23.
Claim 8
Dependent Claim 110 words
A recording liquid according to claim 1, wherein said magenta dye is selected from the group consisting of C.I. Direct Red 227 and a dye represented by the following Formula (A): ##STR26## wherein Y represents a hydrogen atom, a methyl group, a methoxy group, an acetylamino group or a nitro group, or Y forms a benzene ring together with the carbon atom at the 3-position of the benzene ring B; X represents an acetyl group, a benzoyl group, a p-toluenesulfonyl group or a 4-chloro-6-hydroxy-1,3,5-triazin-2-yl group; and M 1 , M 2 and M 3 each represent a base selected from the group consisting of an alkali metal, ammonium and amines.
Claim 9
Dependent Claim 32 words
A recording liquid according to claim 1, wherein the content of said dyes is within the range of from 0.1 to 15% by weight of the total weight of the recording liquid.
Claim 10
Dependent Claim 16 words
A recording liquid according to claim 1, wherein the recording liquid is a black recording liquid.
Claim 11
Dependent Claim 99 words
An ink-jet recording process comprising making a record by applying droplets of a recording liquid to a recording medium having a pigment-coated layer, wherein said recording liquid comprises: (a) a black dye selected from the group consisting of C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187; and (b) at least one water soluble dye selected from the group consisting of a magenta dye and a yellow dye, wherein said black dye is present in a proportion from 40 to 95% by weight based on the total weight of said dyes in said recording liquid.
Claim 12
Dependent Claim 99 words
An ink-jet recording process comprising making a record by applying droplets of a recording liquid to a recording medium having a pigment-coated layer, wherein said recording liquid comprises: (a) a black dye selected from the group consisting of C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187; and (b) at least one water soluble dye selected from the group consisting of a magenta dye and a yellow dye, wherein said black dye is present in a proportion from 40 to 95% by weight based on the total weight of said dyes in said recording liquid.
Claim 13
Dependent Claim 27 words
An ink-jet recording process according to claim 9, wherein said pigment-coated layer comprises silica having a specific surface area of from 35 to 650 m 2 /g.
Claim 14
Dependent Claim 34 words
An ink-jet recording process according to claim 9, wherein said black dye is contained in a proportion of from 45 to 90% by weight based on all the dyes contained in said recording solution.
Claim 15
Dependent Claim 19 words
An ink-jet recording process according to claim 9, wherein said recording liquid comprises water and a water-soluble organic solvent.
Claim 16
Dependent Claim 34 words
An ink-jet recording process according to claim 13, wherein said water-soluble organic solvent is selected from the group consisting of glycerol and polyethylene oxide having a degree of polymerization of from 2 to 6.
Claim 17
Dependent Claim 34 words
An ink-jet recording process according to claim 13, wherein said water-soluble organic solvent is contained in an amount of from 2 to 65% by weight based on the total weight of the recording liquid.
Claim 18
Dependent Claim 32 words
An ink-jet recording process according to claim 9, wherein said yellow dye is selected from the group consisting of C.I. Direct Yellow 86, C.I. Direct Yellow 142 and C.I. Acid Yellow 23.
Claim 19
Dependent Claim 111 words
An ink-jet recording process according to claim 9, wherein said magenta dye is selected from the group consisting of C.I. Direct Red 227 and a dye represented by the following Formula (A): ##STR27## wherein Y represents a hydrogen atom, a methyl group, a methoxy group, an acetylamino group or a nitro group, or Y forms a benzene ring together with the carbon atom at the 3-position of the benzene ring B; X represents an acetyl group, a benzoyl group, a p-toluenesulfonyl group or a 4-chloro-6-hydroxy-1,3,5-triazin-2-yl group; and M 1 , M 2 and M 3 each represent a base selected from the group consisting of an alkali metal, ammonium and amines.
Claim 20
Dependent Claim 17 words
An ink-jet recording process according to claim 9, wherein the recording liquid is a black recording liquid.
Claim 21
Dependent Claim 19 words
An ink-jet recording process according to claim 9, wherein said droplet is formed by the action of heat energy.
Claim 22
Dependent Claim 66 words
A recording liquid comprising dyes and a liquid medium for dissolving the dye, wherein said dyes comprise a black dye, a magenta dye and a yellow dye, said black dye being selected from the group consisting of C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187, and contained in a proportion of from 40 to 95% by weight based on the dyes.
Claim 23
Dependent Claim 66 words
A recording liquid comprising dyes and a liquid medium for dissolving the dye, wherein said dyes comprise a black dye, a magenta dye and a yellow dye, said black dye being selected from the group consisting of C.I. Food Black 1, C.I. Acid Black 140 and C.I. Acid Black 187, and contained in a proportion of from 40 to 95% by weight based on the dyes.
Claim 24
Dependent Claim 18 words
A recording liquid according to claim 18, wherein said liquid medium comprises water and a water-soluble organic solvent.
Claim 25
Dependent Claim 33 words
A recording liquid according to claim 18, wherein said water-soluble organic solvent is selected from the group consisting of glycerol and polyethylene oxide having a degree of polymerization of from 2 to 6.
Claim 26
Dependent Claim 33 words
A recording liquid according to claim 18, wherein said water-soluble organic solvent is contained in an amount of from 2 to 65% by weight based on the total weight of the recording liquid.
Claim 27
Dependent Claim 31 words
A recording liquid according to claim 18, wherein said yellow dye is selected from the group consisting of C.I. Direct Yellow 86, C.I. Direct Yellow 142 and C.I. Acid Yellow 23.
Claim 28
Dependent Claim 110 words
A recording liquid according to claim 18, wherein said magenta dye is selected from the group consisting of C.I. Direct Red 227 and a dye represented by the following Formula (A): ##STR28## wherein Y represents a hydrogen atom, a methyl group, a methoxy group, an acetylamino group or a nitro group, or Y forms a benzene ring together with the carbon atom at the 3-position of the benzene ring B; X represents an acetyl group, a benzoyl group, a p-toluenesulfonyl group or a 4-chloro-6-hydroxy-1,3,5-triazin-2-yl group; and M 1 , M 2 and M 3 each represent a base selected from the group consisting of an alkali metal, ammonium and amines.
Claim 29
Dependent Claim 32 words
A recording liquid according to claim 18, wherein the content of said dyes is within the range of from 0.1 to 15% by weight of the total weight of the recording liquid.
Claim 30
Dependent Claim 32 words
A recording liquid according to claim 18, wherein said black dye is contained in a proportion of from 45 to 90% by weight based on the dyes contained in said recording liquid.
Claim 31
Dependent Claim 16 words
A recording liquid according to claim 18, wherein the recording liquid is a black recording liquid.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-05-20 1994-11-19 1995-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-05-20 1998-11-19 1999-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-05-20 2002-11-19 2003-05-21 $7700.00 Window Closed / Lapsed

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