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US5865883A
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US
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Ink, ink cartridge and recording unit, ink-jet recording method and ink-jet recording apparatus
Assignee: Canon Inc
•
Filing: 1997-03-13
•
Granted: 1999-02-02
•
Expires: 2017-03-13
Abstract
Abstract Provided is an ink used for ink-jet recording, which ink comprises triethanolamine in an amount of 2% by weight or more, but less than 5% by weight based on the total weight of the ink and a dye having a pyrene ring.
Inventors
- 👤 Hisashi Teraoka
- 👤 Akira Nagashima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:41
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 148
Claim 1
Independent Claim
35 words
An ink jet ink, which comprises triethanolamine in an amount of 2% by weight or more, but less than 5% based on the total weight of the ink and a dye having a pyrene ring.
Claim 2
Dependent Claim
35 words
An ink jet ink, which comprises triethanolamine in an amount of 2% by weight or more, but less than 5% based on the total weight of the ink and a dye having a pyrene ring.
Claim 3
Dependent Claim
17 words
The ink according to claim 1, wherein said ink has a pH value of 9 or more.
Claim 4
Dependent Claim
17 words
The ink according to claim 2, wherein said ink has a pH value of 9.2 or more.
Claim 5
Dependent Claim
14 words
The ink according to claim 1, wherein said dye is a water-soluble fluorescent dye.
Claim 6
Dependent Claim
19 words
The ink according to claim 4, wherein said water-soluble fluorescent dye is sodium hydroxypyrene tetrasulfonate or sodium hydroxypyrene trisulfonate.
Claim 7
Dependent Claim
19 words
The ink according to claim 4, wherein said water-soluble fluorescent dye is sodium aminopyrene tetrasulfonate or sodium aminopyrene trisulfonate.
Claim 8
Dependent Claim
19 words
The ink according to claim 4, wherein said water-soluble fluorescent dye is sodium acetylaminopyrene tetrasulfonate or sodium acetylaminopyrene trisulfonate.
Claim 9
Dependent Claim
16 words
The ink according to claim 5, wherein said water-soluble fluorescent dye is sodium hydroxy pyrene trisulfonate.
Claim 10
Dependent Claim
27 words
The ink according to claim 1, comprising said dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 11
Dependent Claim
30 words
The ink according to claim 4, comprising said dye in an amount of from 0.5 to 5% by weight of said dye based on the total weight of the ink.
Claim 12
Dependent Claim
15 words
The ink according to claim 1, further comprising a hydroxide or an alkali metal salt.
Claim 13
Dependent Claim
28 words
The ink according to claim 11, further comprising said hydroxide in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 14
Dependent Claim
30 words
The ink according to claim 11, further comprising said alkali metal salt in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 15
Dependent Claim
28 words
The ink according to claim 11, wherein said hydroxide is at least one selected from the group consisting of sodium hydroxide, lithium hydroxide, potassium hydroxide, and ammonium hydroxide.
Claim 16
Dependent Claim
43 words
The ink according to claim 11, wherein said alkali metal salt is selected from the group consisting of sodium acetate, lithium acetate, potassium acetate, sodium nitrate, lithium nitrate, potassium nitrate, sodium phosphate, lithium phosphate, potassium phosphate, sodium carbonate, lithium carbonate, and potassium carbonate.
Claim 17
Dependent Claim
17 words
The ink according to claim 1, further comprising a mixture of water and a water-soluble organic solvent.
Claim 18
Dependent Claim
29 words
The ink according to claim 16, comprising said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 19
Dependent Claim
43 words
The ink according to claim 17, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 20
Dependent Claim
10 words
The ink according to claim 1, further comprising a surfactant.
Claim 21
Dependent Claim
26 words
The ink according to claim 19, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 22
Dependent Claim
42 words
The ink according to claim 19, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 23
Dependent Claim
47 words
An ink cartridge equipped with an ink holder which holds an ink, wherein said ink comprises a dye having a pyrene ring and triethanolamine in an amount of 2% by weight or more, but less than 5% by weight based on the total weight of the ink.
Claim 24
Dependent Claim
47 words
An ink cartridge equipped with an ink holder which holds an ink, wherein said ink comprises a dye having a pyrene ring and triethanolamine in an amount of 2% by weight or more, but less than 5% by weight based on the total weight of the ink.
Claim 25
Dependent Claim
18 words
The ink cartridge according to claim 22, wherein said ink has a pH value of 9 or more.
Claim 26
Dependent Claim
18 words
The ink cartridge according to claim 23, wherein said ink has a pH value of 9.2 or more.
Claim 27
Dependent Claim
15 words
The ink cartridge according to claim 22, wherein said dye is a water-soluble fluorescent dye.
Claim 28
Dependent Claim
20 words
The ink cartridge according to claim 25, wherein said water-soluble fluorescent dye is sodium hydroxypyrene tetrasulfonate or sodium hydroxypyrene trisulfonate.
Claim 29
Dependent Claim
20 words
The ink cartridge according to claim 25, wherein said water-soluble fluorescent dye is sodium aminopyrene tetrasulfonate or sodium aminopyrene trisulfonate.
Claim 30
Dependent Claim
20 words
The ink cartridge according to claim 25, wherein said water-soluble fluorescent dye is sodium acetylaminopyrene tetrasulfonate or sodium acetylaminopyrene trisulfonate.
Claim 31
Dependent Claim
16 words
The ink cartridge according to claim 25, wherein said water-soluble fluorescent dye is sodium hydroxypyrene trisulfonate.
Claim 32
Dependent Claim
31 words
The ink cartridge according to claim 22, wherein said ink comprises said dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 33
Dependent Claim
28 words
The ink cartridge according to claim 30, comprising said dye in an amount of from 0.5 to 5% by weight based on the total weight of the ink.
Claim 34
Dependent Claim
19 words
The ink cartridge according to claim 22, wherein said ink comprises further a hydroxide or an alkali metal salt.
Claim 35
Dependent Claim
31 words
The ink cartridge according to claim 32, wherein said ink comprises said hydroxide in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 36
Dependent Claim
33 words
The ink cartridge according to claim 32, wherein said ink comprises said alkali metal salt in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 37
Dependent Claim
27 words
The ink cartridge according to claim 32, wherein said hydroxide is one selected from the group consisting of sodium hydroxide, lithium hydroxide, potassium hydroxide, and ammonium hydroxide.
Claim 38
Dependent Claim
44 words
The ink cartridge according to claim 32, wherein said alkali metal salt is selected from the group consisting of sodium acetate, lithium acetate, potassium acetate, sodium nitrate, lithium nitrate, potassium nitrate, sodium phosphate, lithium phosphate, potassium phosphate, sodium carbonate, lithium carbonate, and potassium carbonate.
Claim 39
Dependent Claim
20 words
The ink cartridge according to claim 22, wherein said ink comprises a mixture of water and a water-soluble organic solvent.
Claim 40
Dependent Claim
33 words
The ink cartridge according to claim 37, wherein said ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 41
Dependent Claim
44 words
The ink cartridge according to claim 37, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 42
Dependent Claim
15 words
The ink cartridge according to claim 22, wherein said ink holder is made of polyethylene.
Claim 43
Dependent Claim
14 words
The ink cartridge according to claim 22, wherein said ink further comprises a surfactant.
Claim 44
Dependent Claim
27 words
The ink cartridge according to claim 41, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 45
Dependent Claim
43 words
The ink cartridge according to claim 41, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 46
Dependent Claim
64 words
An ink cartridge equipped with first, second, and third ink holders which hold inks of different colors, wherein the ink held in said first ink holder is a yellow ink employed for ink-jet recording comprising triethanolamine in an amount of 2% by weight or more, but less than 5% based on the total weight of the ink and a dye having a pyrene ring.
Claim 47
Dependent Claim
64 words
An ink cartridge equipped with first, second, and third ink holders which hold inks of different colors, wherein the ink held in said first ink holder is a yellow ink employed for ink-jet recording comprising triethanolamine in an amount of 2% by weight or more, but less than 5% based on the total weight of the ink and a dye having a pyrene ring.
Claim 48
Dependent Claim
19 words
The ink cartridge according to claim 44, wherein said yellow ink has a pH value of 9 or more.
Claim 49
Dependent Claim
19 words
The ink cartridge according to claim 45, wherein said yellow ink has a pH value of 9.2 or more.
Claim 50
Dependent Claim
15 words
The ink cartridge according to claim 44, wherein said dye is a water-soluble fluorescent dye.
Claim 51
Dependent Claim
20 words
The ink cartridge according to claim 47, wherein said water-soluble fluorescent dye is sodium hydroxypyrene tetrasulfonate or sodium hydroxypyrene trisulfonate.
Claim 52
Dependent Claim
20 words
The ink cartridge according to claim 47, wherein said water-soluble fluorescent dye is sodium aminopyrene tetrasulfonate or sodium aminopyrene trisulfonate.
Claim 53
Dependent Claim
20 words
The ink cartridge according to claim 47, wherein said water-soluble fluorescent dye is sodium acetylaminopyrene tetrasulfonate or sodium acetylaminopyrene trisulfonate.
Claim 54
Dependent Claim
16 words
The ink cartridge according to claim 47, wherein said water-soluble fluorescent dye is sodium hydroxypyrene trisulfonate.
Claim 55
Dependent Claim
32 words
The ink cartridge according to claim 44, wherein said yellow ink comprises said dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 56
Dependent Claim
32 words
The ink cartridge according to claim 52, wherein said yellow ink comprises said dye in an amount of from 0.5 to 5% by weight based on the total weight of the ink.
Claim 57
Dependent Claim
19 words
The ink cartridge according to claim 44, wherein said yellow ink comprises a hydroxide or an alkali metal salt.
Claim 58
Dependent Claim
31 words
The ink cartridge according to claim 54, wherein said ink comprises said hydroxide in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 59
Dependent Claim
34 words
The ink cartridge according to claim 54, wherein said yellow ink comprises said alkali metal salt in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 60
Dependent Claim
27 words
The ink cartridge according to claim 54, wherein said hydroxide is one selected from the group consisting of sodium hydroxide, lithium hydroxide, potassium hydroxide, and ammonium hydroxide.
Claim 61
Dependent Claim
44 words
The ink cartridge according to claim 54, wherein said alkali metal salt is selected from the group consisting of sodium acetate, lithium acetate, potassium acetate, sodium nitrate, lithium nitrate, potassium nitrate, sodium phosphate, lithium phosphate, potassium phosphate, sodium carbonate, lithium carbonate, and potassium carbonate.
Claim 62
Dependent Claim
21 words
The ink cartridge according to claim 44, wherein said yellow ink comprises a mixture of water and a water-soluble organic solvent.
Claim 63
Dependent Claim
34 words
The ink cartridge according to claim 59, wherein said yellow ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 64
Dependent Claim
44 words
The ink cartridge according to claim 59, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 65
Dependent Claim
15 words
The ink cartridge according to claim 44, wherein said yellow ink comprises further a surfactant.
Claim 66
Dependent Claim
27 words
The ink cartridge according to claim 62, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 67
Dependent Claim
43 words
The ink cartridge according to claim 62, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 68
Dependent Claim
26 words
The ink cartridge according to claim 44, wherein the inks held in said second and third ink holders are a magenta ink and a cyan ink.
Claim 69
Dependent Claim
23 words
The ink cartridge according to claim 65, wherein said magenta ink is an ink which comprises a water-soluble dye as a coloring material.
Claim 70
Dependent Claim
33 words
The ink cartridge according to claim 66, wherein said magenta ink comprises said water-soluble dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 71
Dependent Claim
87 words
The ink cartridge according to claim 66, wherein said water-soluble dye is at least one dye selected from the group consisting of C.I. Basic Red 1, C.I. Basic Red 2, C.I. Basic Red 9, C.I. Basic Red 12, C.I. Basic Red 13, C.I. Basic Red 14, C.I. Basic Red 17, C.I. Acid Red 51, C.I. Acid Red 52, C.I. Acid Red 92, C.I. Acid Red 94, C.I. Basic Violet 1, C.I. Basic Violet 3, C.I. Basic Violet 7, C.I. Basic Violet 10, and C.I. Basic Violet 14.
Claim 72
Dependent Claim
21 words
The ink cartridge according to claim 65, wherein said magenta ink comprises a mixture of water and a water-soluble organic solvent.
Claim 73
Dependent Claim
34 words
The ink cartridge according to claim 69, wherein said magenta ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 74
Dependent Claim
44 words
The ink cartridge according to claim 69, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 75
Dependent Claim
16 words
The ink cartridge according to claim 65, wherein said magenta ink further comprises an oxidizing agent.
Claim 76
Dependent Claim
23 words
The ink cartridge according to claim 72, wherein said oxidizing agent is a salt of benzenesulfonic acid or a salt of nitrobenzenesulfonic acid.
Claim 77
Dependent Claim
23 words
The ink cartridge according to claim 73, wherein said salt of benzenesulfonic acid or said salt of nitrobenzenesulfonic acid is a sodium salt.
Claim 78
Dependent Claim
15 words
The ink cartridge according to claim 65, wherein said magenta ink comprises further a surfactant.
Claim 79
Dependent Claim
27 words
The ink cartridge according to claim 75, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 80
Dependent Claim
43 words
The ink cartridge according to claim 75, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 81
Dependent Claim
19 words
The ink cartridge according to claim 65, wherein said cyan ink comprises a water-soluble dye as a coloring material.
Claim 82
Dependent Claim
33 words
The ink cartridge according to claim 78, wherein said cyan ink comprises said water-soluble dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 83
Dependent Claim
86 words
The ink cartridge according to claim 78, wherein said water-soluble dye is at least one selected from the group consisting of C.I. Acid Blue 9, C.I. Acid Blue 13, C.I. Acid Blue 68, C.I. Acid Blue 69, C.I. Acid Blue 138, C.I. Acid Blue 185, C.I. Acid Blue 249, C.I. Acid Blue 258, C.I. Direct Blue 83, C.I. Direct Blue 86, C.I. Direct Blue 87, C.I. Direct Blue 95, C.I. Direct Blue 143, C.I. Direct Blue 166, C.I. Direct Blue 176, and C.I. Direct Blue 199.
Claim 84
Dependent Claim
21 words
The ink cartridge according to claim 65, wherein said cyan ink comprises a mixture of water and a water-soluble organic solvent.
Claim 85
Dependent Claim
34 words
The ink cartridge according to claim 81, wherein said cyan ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 86
Dependent Claim
44 words
The ink cartridge according to claim 81, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 87
Dependent Claim
15 words
The ink cartridge according to claim 65, wherein said cyan ink comprises further a surfactant.
Claim 88
Dependent Claim
27 words
The ink cartridge according to claim 84, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 89
Dependent Claim
43 words
The ink cartridge according to claim 84, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 90
Dependent Claim
13 words
The ink cartridge according to claim 44, further comprising a fourth ink holder.
Claim 91
Dependent Claim
20 words
The ink cartridge according to claim 87, wherein the ink held in said fourth ink holder is a black ink.
Claim 92
Dependent Claim
20 words
The ink cartridge according to claim 88, wherein said black ink comprises a mixture of water and water-soluble organic solvent.
Claim 93
Dependent Claim
34 words
The ink cartridge according to claim 89, wherein said black ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 94
Dependent Claim
44 words
The ink cartridge according to claim 89, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 95
Dependent Claim
83 words
A recording unit comprising a first ink holder, a second ink holder, and a third ink holder for holding inks of different colors, and a head assembly for ejecting said inks held in the respective ink holders, wherein the ink held in said first ink holder is a yellow ink for ink-jet recording comprising triethanolamine in an amount of 2% by weight or more, but less than 5% based on the total weight of the ink and a dye having a pyrene ring.
Claim 96
Dependent Claim
83 words
A recording unit comprising a first ink holder, a second ink holder, and a third ink holder for holding inks of different colors, and a head assembly for ejecting said inks held in the respective ink holders, wherein the ink held in said first ink holder is a yellow ink for ink-jet recording comprising triethanolamine in an amount of 2% by weight or more, but less than 5% based on the total weight of the ink and a dye having a pyrene ring.
Claim 97
Dependent Claim
19 words
The recording unit according to claim 92, wherein said yellow ink has a pH value of 9 or more.
Claim 98
Dependent Claim
19 words
The recording unit according to claim 93, wherein said yellow ink has a pH value of 9.2 or more.
Claim 99
Dependent Claim
15 words
The recording unit according to claim 92, wherein said dye is a water-soluble fluorescent dye.
Claim 100
Dependent Claim
20 words
The recording unit according to claim 95, wherein said water-soluble fluorescent dye is sodium hydroxypyrene tetrasulfonate or sodium hydroxypyrene trisulfonate.
Claim 101
Dependent Claim
20 words
The recording unit according to claim 95, wherein said water-soluble fluorescent dye is sodium aminopyrene tetrasulfonate or sodium aminopyrene trisulfonate.
Claim 102
Dependent Claim
20 words
The recording unit according to claim 95, wherein said water-soluble fluorescent dye is sodium acetylaminopyrene tetrasulfonate or sodium acetylaminopyrene trisulfonate.
Claim 103
Dependent Claim
16 words
The recording unit according to claim 95, wherein said water-soluble fluorescent dye is sodium hydroxypyrene trisulfonate.
Claim 104
Dependent Claim
32 words
The recording unit according to claim 92, wherein said yellow ink comprises said dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 105
Dependent Claim
32 words
The recording unit according to claim 100, wherein said yellow ink comprises said dye in an amount of from 0.5 to 5% by weight based on the total weight of the ink.
Claim 106
Dependent Claim
20 words
The recording unit according to claim 92, wherein said yellow ink further comprises a hydroxide or an alkali metal salt.
Claim 107
Dependent Claim
32 words
The recording unit according to claim 102, wherein said yellow ink comprises said hydroxide in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 108
Dependent Claim
33 words
The recording unit according to claim 102, wherein said ink comprises said alkali metal salt in an amount of from 0.01 to 5% by weight based on the total weight of the ink.
Claim 109
Dependent Claim
29 words
The recording unit according to claim 102, wherein said hydroxide comprises at least one selected from the group consisting of sodium hydroxide, lithium hydroxide, potassium hydroxide, and ammonium hydroxide.
Claim 110
Dependent Claim
44 words
The recording unit according to claim 102, wherein said alkali metal salt is selected from the group consisting of sodium acetate, lithium acetate, potassium acetate, sodium nitrate, lithium nitrate, potassium nitrate, sodium phosphate, lithium phosphate, potassium phosphate, sodium carbonate, lithium carbonate, and potassium carbonate.
Claim 111
Dependent Claim
22 words
The recording unit according to claim 92, wherein said yellow ink further comprises a mixture of water and a water-soluble organic solvent.
Claim 112
Dependent Claim
34 words
The recording unit according to claim 107, wherein said yellow ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 113
Dependent Claim
44 words
The recording unit according to claim 107, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 114
Dependent Claim
15 words
The recording unit according to claim 92, wherein said yellow ink comprises further a surfactant.
Claim 115
Dependent Claim
27 words
The recording unit according to claim 110, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 116
Dependent Claim
43 words
The recording unit according to claim 110, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propyethylene oxide polymers, and ethylene oxide adducts of acetylene glycol.
Claim 117
Dependent Claim
26 words
The recording unit according to claim 92, wherein the inks held in said second and third ink holders are a magenta ink and a cyan ink.
Claim 118
Dependent Claim
23 words
The recording unit according to claim 113, wherein said magenta ink is an ink which comprises a water-soluble dye as a coloring material.
Claim 119
Dependent Claim
33 words
The recording unit according to claim 114, wherein said magenta ink comprises said water-soluble dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 120
Dependent Claim
87 words
The recording unit according to claim 114, wherein said water-soluble dye is at least one dye selected from the group consisting of C.I. Basic Red 1, C.I. Basic Red 2, C.I. Basic Red 9, C.I. Basic Red 12, C.I. Basic Red 13, C.I. Basic Red 14, C.I. Basic Red 17, C.I. Acid Red 51, C.I. Acid Red 52, C.I. Acid Red 92, C.I. Acid Red 94, C.I. Basic Violet 1, C.I. Basic Violet 3, C.I. Basic Violet 7, C.I. Basic Violet 10, and C.I. Basic Violet 14.
Claim 121
Dependent Claim
22 words
The recording unit according to claim 113, wherein said magenta ink further comprises a mixture of water and a water-soluble organic solvent.
Claim 122
Dependent Claim
34 words
The recording unit according to claim 117, wherein said magenta ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 123
Dependent Claim
44 words
The recording unit according to claim 117, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 124
Dependent Claim
16 words
The recording unit according to claim 113, wherein said magenta ink further comprises an oxidizing agent.
Claim 125
Dependent Claim
23 words
The recording unit according to claim 120, wherein said oxidizing agent is a salt of benzenesulfonic acid or a salt of nitrobenzenesulfonic acid.
Claim 126
Dependent Claim
23 words
The recording unit according to claim 121, wherein said salt of benzenesulfonic acid or said salt of nitrobenzenesulfonic acid is a sodium salt.
Claim 127
Dependent Claim
15 words
The recording unit according to claim 113, wherein said magenta ink comprises further a surfactant.
Claim 128
Dependent Claim
27 words
The recording unit according to claim 123, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 129
Dependent Claim
43 words
The recording unit according to claim 123, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 130
Dependent Claim
19 words
The recording unit according to claim 113, wherein said cyan ink comprises a water-soluble dye as a coloring material.
Claim 131
Dependent Claim
33 words
The recording unit according to claim 126, wherein said cyan ink comprises said water-soluble dye in an amount of from 0.2 to 8% by weight based on the total weight of the ink.
Claim 132
Dependent Claim
86 words
The recording unit according to claim 126, wherein said water-soluble dye is at least one selected from the group consisting of C.I. Acid Blue 9, C.I. Acid Blue 13, C.I. Acid Blue 68, C.I. Acid Blue 69, C.I. Acid Blue 138, C.I. Acid Blue 185, C.I. Acid Blue 249, C.I. Acid Blue 258, C.I. Direct Blue 83, C.I. Direct Blue 86, C.I. Direct Blue 87, C.I. Direct Blue 95, C.I. Direct Blue 143, C.I. Direct Blue 166, C.I. Direct Blue 176, and C.I. Direct Blue 199.
Claim 133
Dependent Claim
21 words
The recording unit according to claim 113, wherein said cyan ink comprises a mixture of water and a water-soluble organic solvent.
Claim 134
Dependent Claim
34 words
The recording unit according to claim 129, wherein said cyan ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 135
Dependent Claim
44 words
The recording unit according to claim 129, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 136
Dependent Claim
15 words
The recording unit according to claim 113, wherein said cyan ink comprises further a surfactant.
Claim 137
Dependent Claim
27 words
The recording unit according to claim 132, wherein said surfactant is at least one selected from the group consisting of ionic surfactants, nonionic surfactants, and amphoteric surfactants.
Claim 138
Dependent Claim
43 words
The recording unit according to claim 132, wherein said surfactant is at least one selected from the group consisting of ethylene oxide adducts of higher alcohols, ethylene oxide adducts of alkyl phenols, ethylene oxide-propylene oxide copolymers, and ethylene oxide adducts of acetylene glycol.
Claim 139
Dependent Claim
13 words
The recording unit according to claim 92, further comprising a fourth ink holder.
Claim 140
Dependent Claim
20 words
The recording unit according to claim 135, wherein the ink held in said fourth ink holder is a black ink.
Claim 141
Dependent Claim
20 words
The recording unit according to claim 136, wherein said black ink comprises a mixture of water and water-soluble organic solvent.
Claim 142
Dependent Claim
34 words
The recording unit according to claim 137, wherein said black ink comprises said water-soluble organic solvent in an amount of from 10 to 40% by weight based on the total weight of the ink.
Claim 143
Dependent Claim
44 words
The recording unit according to claim 137, wherein said water-soluble organic solvent is at least one selected from the group consisting of amides, ketones, ethers, polyalkylene glycols, alkylene glycols, lower alkyl ethers of such polyhydric alcohols, monohydric alcohols, cyclic amide compounds, and imide compounds.
Claim 144
Dependent Claim
42 words
An ink-jet recording method for ejecting an ink through an orifice in response to a recording signal and applying it to a recording medium to perform recording, wherein said ink is the ink described in any one of claims 1 to 21.
Claim 145
Dependent Claim
20 words
The ink-jet recording method according to claim 140, wherein said ink is ejected by applying thermal energy to the ink.
Claim 146
Dependent Claim
59 words
An ink-jet recording apparatus comprising an ink cartridge provided with a recording head for ejecting an ink and an ink holder which holds the ink, and an ink supplying section for supplying the ink from said ink cartridge to the recording head, wherein said ink cartridge is the ink cartridge described in any one of claims 22 to 43.
Claim 147
Dependent Claim
59 words
An ink-jet recording apparatus comprising an ink cartridge provided with a recording head for ejecting an ink and an ink holder which holds the ink, and an ink supplying section for supplying the ink from said ink cartridge to the recording head, wherein said ink cartridge is the ink cartridge described in any one of claims 44 to 91.
Claim 148
Dependent Claim
77 words
An ink-jet recording apparatus comprising a recording unit equipped with a first ink holder, a second ink holder, and a third ink holder which hold inks of different colors, and a head assembly for ejecting said inks held in the respective ink holders, and means which detachably retains said recording unit and transmits electric signal information to said recording unit, wherein said recording unit is the recording unit described in any one of claims 92 through 139.
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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) | 2002-02-01 | 2002-08-03 | 2003-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-01 | 2006-08-03 | 2007-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-01 | 2010-08-03 | 2011-02-02 | $7700.00 | Window Closed / Lapsed |