US5172133A
Expired / Lapsed
US
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Ink jet recording with an ink composition containing pigment
Assignee: Canon Inc
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Filing: 1991-08-29
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Granted: 1992-12-15
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Expires: 2011-08-29
Abstract
Abstract An ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU1## wherein DAR denotes a value represented by the expression (II) ##EQU2##
Inventors
- 👤 Yuko Suga
- 👤 Hiromichi Noguchi
- 👤 Megumi Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:28
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/322
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
62 words
An ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU9## wherein DAR denotes a value represented by the expression (II) ##EQU10##
Claim 2
Dependent Claim
62 words
An ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU9## wherein DAR denotes a value represented by the expression (II) ##EQU10##
Claim 3
Dependent Claim
25 words
The ink according to claim 1, wherein said liquid medium comprises a polyhydric alcohol and/or an alkyl ether thereof, an aliphatic monohydric alcohol, and water.
Claim 4
Dependent Claim
17 words
The ink according to claim 2, wherein said aliphatic monohydric alcohol is ethyl alcohol or isopropyl alcohol.
Claim 5
Dependent Claim
33 words
The ink according to claim 2, wherein said aliphatic monohydric alcohol is contained in an amount of from 3% by weight to 15% by weight based on the total weight of the ink.
Claim 6
Dependent Claim
37 words
The ink according to claim 2, wherein said polyhydric alcohol and/or said alkyl ether thereof is contained in an amount of from 10% by weight to 50% by weight based on the total weight of the ink.
Claim 7
Dependent Claim
25 words
The ink according to claim 1, wherein said Wr/Wp satisfies the expression (III) ##EQU11## wherein Wp, Wr and DAR are as defined in claim 1.
Claim 8
Dependent Claim
104 words
An ink-jet recording process comprising applying a heat energy to an ink to eject said ink from an orifice in the form of ink droplets, and imparting said ink droplets to a recording medium to make a record on said recording medium; said ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU12## wherein DAR denotes a value represented by the expression (II) ##EQU13##
Claim 9
Dependent Claim
104 words
An ink-jet recording process comprising applying a heat energy to an ink to eject said ink from an orifice in the form of ink droplets, and imparting said ink droplets to a recording medium to make a record on said recording medium; said ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU12## wherein DAR denotes a value represented by the expression (II) ##EQU13##
Claim 10
Dependent Claim
16 words
The ink-jet recording process according to claim 7, wherein said recording medium comprises a noncoated paper.
Claim 11
Dependent Claim
30 words
The ink-jet recording process according to claim 7, wherein said liquid medium in said ink comprises a polyhydric alcohol and/or an alkyl ether thereof, an aliphatic monohydric alcohol, and water.
Claim 12
Dependent Claim
19 words
The ink-jet recording process according to claim 9, wherein said aliphatic monohydric alcohol is ethyl alcohol or isopropyl alcohol.
Claim 13
Dependent Claim
35 words
The ink-jet recording process according to claim 9, wherein said aliphatic monohydric alcohol is contained in an amount of from 3% by weight to 15% by weight based on the total weight of the ink.
Claim 14
Dependent Claim
39 words
The ink-jet recording process according to claim 9, wherein said polyhydric alcohol and/or said alkyl ether thereof is contained in an amount of from 10% by weight to 50% by weight based on the total weight of the ink.
Claim 15
Dependent Claim
27 words
The ink-jet recording process according to claim 7, wherein said Wr/Wp satisfies the expression (III) ##EQU14## wherein Wp, Wr and DAR are as defined in claim 7.
Claim 16
Dependent Claim
91 words
An ink-jet device comprising; an ink holding member impregnated with an ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU15## wherein DAR denotes a value represented by the expression (II) ##EQU16## a head having a plurality of orifices from which said ink is ejected in the form of ink droplets.
Claim 17
Dependent Claim
91 words
An ink-jet device comprising; an ink holding member impregnated with an ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU15## wherein DAR denotes a value represented by the expression (II) ##EQU16## a head having a plurality of orifices from which said ink is ejected in the form of ink droplets.
Claim 18
Dependent Claim
20 words
The ink-jet device according to claim 14, wherein said ink holding member is an ink absorber or an ink bag.
Claim 19
Dependent Claim
26 words
The ink-jet device according to claim 14, wherein said head has a heating head to provide to said ink a heat energy for ejecting ink droplets.
Claim 20
Dependent Claim
26 words
The ink-jet device according to claim 14, wherein said Wr/Wp satisfies the expression (III) ##EQU17## wherein Wp, Wr and DAR are as defined in claim 14.
Claim 21
Dependent Claim
96 words
An ink-jet recording apparatus comprising an ink-jet device comprising; an ink holding member impregnated with an ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU18## wherein DAR denotes a value represented by the expression (II) ##EQU19## a head having a plurality of orifices from which said ink is ejected in the form of ink droplets.
Claim 22
Dependent Claim
96 words
An ink-jet recording apparatus comprising an ink-jet device comprising; an ink holding member impregnated with an ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU18## wherein DAR denotes a value represented by the expression (II) ##EQU19## a head having a plurality of orifices from which said ink is ejected in the form of ink droplets.
Claim 23
Dependent Claim
21 words
The ink-jet recording apparatus according to claim 18, wherein said ink holding member is an ink absorber or an ink bag.
Claim 24
Dependent Claim
27 words
The ink-jet recording apparatus according to claim 18, wherein said head has a heating head to provide to said ink a heat energy for ejecting ink droplets.
Claim 25
Dependent Claim
27 words
The ink-jet recording apparatus according to claim 18, wherein said Wr/Wp satisfies the expression (III) ##EQU20## wherein Wp, Wr and DAR are as defined in claim 18.
Claim 26
Dependent Claim
71 words
An ink cartridge comprising an ink bag impregnated with an ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU21## wherein DAR denotes a value represented by the expression (II) ##EQU22##
Claim 27
Dependent Claim
71 words
An ink cartridge comprising an ink bag impregnated with an ink comprising a composition containing a pigment, a water-soluble resin and a liquid medium, wherein the pigment and the water-soluble resin are contained in said composition in a proportion of the weight Wr of the latter to the weight Wp of the former, Wr/Wp, that satisfies the expression (I) ##EQU21## wherein DAR denotes a value represented by the expression (II) ##EQU22##
Claim 28
Dependent Claim
29 words
The ink cartridge according to claim 22, wherein said liquid medium in said ink comprises a polyhydric alcohol and/or an alkyl ether thereof, an aliphatic monohydric alcohol, and water.
Claim 29
Dependent Claim
18 words
The ink cartridge according to claim 23, wherein said aliphatic monohydric alcohol is ethyl alcohol or isopropyl alcohol.
Claim 30
Dependent Claim
34 words
The ink cartridge according to claim 23, wherein said aliphatic monohydric alcohol is contained in an amount of from 3% by weight to 15% by weight based on the total weight of the ink.
Claim 31
Dependent Claim
38 words
The ink cartridge according to claim 23, wherein said polyhydric alcohol and/or said alkyl ether thereof is contained in an amount of from 10% by weight to 50% by weight based on the total weight of the ink.
Claim 32
Dependent Claim
26 words
The ink cartridge according to claim 22, wherein said Wr/Wp satisfies the expression (III) ##EQU23## wherein Wp, Wr and DAR are as defined in claim 22.
References Cited (Backward Citations)
US4597794A
Cited
JPS5880368A
Cited
JPS61200182A
Cited
JPS61247774A
Cited
JPS61272278A
Cited
JPS62568A
Cited
JPS62101672A
Cited
JPS62101671A
Cited
JPH01249869A
Cited
JPH01301760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-12-15 | 1996-06-15 | 1996-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-12-15 | 2000-06-15 | 2000-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-12-15 | 2004-06-15 | 2004-12-15 | $7700.00 | Window Closed / Lapsed |