Patent US5059246A successfully refreshed from Google Patents.
US5059246A
Expired / Lapsed
US
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Recording liquid and ink jet recording process employing it
Assignee: Canon Inc
•
Filing: 1990-10-17
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Granted: 1991-10-22
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Expires: 2010-10-17
Abstract
Abstract A recording liquid comprising a coloring material and a liquid medium containing water and a water-soluble organic solvent having an ether bond, and a pH value of said recording liquid being from 3 to 9 and a peroxide concentration of the liquid medium being not more than 4 mmol/l in terms of iodine is provided. And also an ink-jet recording process that performs recording by ejecting the recording liquid in the form of droplets from a minute ejection orifice, to a recording medium by the action of heat energy, is provided.
Inventors
- 👤 Takao Yamamoto
- 👤 Katsuhiro Shirota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:25
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30
Claims Analysis
Total Claims: 69
Claim 1
Independent Claim
105 words
A storage stable recording liquid suitable for use near a heat energy source in an ink-jet printer head comprising 0.5 to 15% by weight of a coloring material, and a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of a water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 2
Dependent Claim
105 words
A storage stable recording liquid suitable for use near a heat energy source in an ink-jet printer head comprising 0.5 to 15% by weight of a coloring material, and a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of a water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 3
Dependent Claim
21 words
The recording liquid according to claim 1, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 4
Dependent Claim
21 words
The recording liquid according to claim 1, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 5
Dependent Claim
49 words
The recording liquid according to claim 1, wherein said water-soluble organic solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 6
Dependent Claim
121 words
A storage stable recording liquid suitable for use near a heat energy source in an ink-jet printer head comprising 0.5 to 15% by weight of a coloring material, and a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of a water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, and a water-soluble dye having 2 or less amino groups being contained as a coloring material, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 7
Dependent Claim
121 words
A storage stable recording liquid suitable for use near a heat energy source in an ink-jet printer head comprising 0.5 to 15% by weight of a coloring material, and a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of a water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, and a water-soluble dye having 2 or less amino groups being contained as a coloring material, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 8
Dependent Claim
21 words
The recording liquid according to claim 5, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 9
Dependent Claim
21 words
The recording liquid according to claim 5, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 10
Dependent Claim
47 words
The recording liquid according to claim 5, wherein said solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 11
Dependent Claim
134 words
An ink-jet recording process, which performs recording by ejecting droplets of a storage stable recording liquid, suitable for use near a heat energy source in an ink-jet printer head, from a minute ejection orifice to a recording medium by the action of heat energy, wherein said recording liquid comprises 0.5 to 15% by weight of a coloring material, and a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of a water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 12
Dependent Claim
134 words
An ink-jet recording process, which performs recording by ejecting droplets of a storage stable recording liquid, suitable for use near a heat energy source in an ink-jet printer head, from a minute ejection orifice to a recording medium by the action of heat energy, wherein said recording liquid comprises 0.5 to 15% by weight of a coloring material, and a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of a water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 13
Dependent Claim
22 words
The ink-jet recording process according to claim 9, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 14
Dependent Claim
22 words
The ink-jet recording process according to claim 9, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 15
Dependent Claim
48 words
The ink-jet recording process according to claim 9, wherein said solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 16
Dependent Claim
17 words
The recording liquid according to claim 1, wherein the content of said water is 20-70% by weight.
Claim 17
Dependent Claim
18 words
The recording liquid according to claim 1, wherein the content of said organic solvent is 10-50% by weight.
Claim 18
Dependent Claim
17 words
The recording liquid according to claim 5, wherein the content of said water is 20-70% by weight.
Claim 19
Dependent Claim
18 words
The recording liquid according to claim 5, wherein the content of said organic solvent is 10-50% by weight.
Claim 20
Dependent Claim
17 words
The recording process according to claim 9, wherein the content of said water is 20-70% by weight.
Claim 21
Dependent Claim
18 words
The recording process according to claim 9, wherein the content of said organic solvent is 10-50% by weight.
Claim 22
Dependent Claim
19 words
The recording liquid according to claim 1, wherein the content of said water is 10 to 80% by weight.
Claim 23
Dependent Claim
19 words
The recording liquid according to claim 5, wherein the content of said water is 10 to 80% by weight.
Claim 24
Dependent Claim
20 words
The ink-jet recording process according to claim 9, wherein the content of said water is 10 to 80% by weight.
Claim 25
Dependent Claim
20 words
The recording liquid according to claim 1, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 26
Dependent Claim
20 words
The recording liquid according to claim 5, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 27
Dependent Claim
21 words
The ink-jet recording process according to claim 9, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 28
Dependent Claim
18 words
The ink-jet recording process according to claim 9, wherein said water-soluble dye has 2 or less amino groups.
Claim 29
Dependent Claim
137 words
An ink-jet device comprising a recording liquid storing member stored with a recording liquid and a recording head having a plurality of orifices for ejecting the recording liquid as liquid droplets, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in the recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 30
Dependent Claim
137 words
An ink-jet device comprising a recording liquid storing member stored with a recording liquid and a recording head having a plurality of orifices for ejecting the recording liquid as liquid droplets, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in the recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 31
Dependent Claim
22 words
An ink jet device according to claim 26, wherein said recording liquid storing member is an ink absorber or an ink bag.
Claim 32
Dependent Claim
28 words
An ink jet device according to claim 26, wherein said head has a heating head to provide to said ink a heat energy for ejecting an ink droplet.
Claim 33
Dependent Claim
22 words
An ink jet device according to claim 26, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 34
Dependent Claim
22 words
An ink jet device according to claim 26, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 35
Dependent Claim
50 words
An ink jet device according to claim 26, wherein said water-soluble organic solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 36
Dependent Claim
21 words
An ink jet device according to claim 26, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 37
Dependent Claim
21 words
An ink jet device according to claim 26, wherein the content of said organic solvent is 10 to 50% by weight.
Claim 38
Dependent Claim
20 words
An ink jet device according to claim 26, wherein the content of said water is 10 to 80% by weight.
Claim 39
Dependent Claim
18 words
An ink jet device according to claim 26, wherein said water-soluble dye has 2 or less amino groups.
Claim 40
Dependent Claim
142 words
An ink-jet recording apparatus comprising an ink-jet device having a recording liquid storing member stored with a recording liquid and a recording head having a plurality of orifices for ejecting the recording liquid as liquid droplets, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in the recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 41
Dependent Claim
142 words
An ink-jet recording apparatus comprising an ink-jet device having a recording liquid storing member stored with a recording liquid and a recording head having a plurality of orifices for ejecting the recording liquid as liquid droplets, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in the recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 42
Dependent Claim
22 words
An ink-jet recording apparatus according to claim 36, wherein said recording storing liquid member is an ink absorber or an ink bag.
Claim 43
Dependent Claim
28 words
An ink-jet recording apparatus according to claim 36, wherein said head has a heating head to provide to said ink a heat energy for ejecting an ink droplet.
Claim 44
Dependent Claim
22 words
An ink-jet recording apparatus according to claim 36, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 45
Dependent Claim
22 words
An ink-jet recording apparatus according to claim 36, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 46
Dependent Claim
50 words
An ink-jet recording apparatus according to claim 36, wherein said water-soluble organic solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 47
Dependent Claim
21 words
An ink-jet recording apparatus according to claim 36, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 48
Dependent Claim
21 words
An ink-jet recording apparatus according to claim 36, wherein the content of said organic solvent is 10 to 50% by weight.
Claim 49
Dependent Claim
20 words
An ink-jet recording apparatus according to claim 36, wherein the content of said water is 10 to 80% by weight.
Claim 50
Dependent Claim
18 words
An ink-jet recording apparatus according to claim 36, wherein said water-soluble dye has 2 or less amino groups.
Claim 51
Dependent Claim
120 words
An ink cartridge comprising a recording liquid storing member stored with a recording liquid, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in a recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 52
Dependent Claim
120 words
An ink cartridge comprising a recording liquid storing member stored with a recording liquid, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in a recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 53
Dependent Claim
21 words
An ink cartridge according to claim 46, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 54
Dependent Claim
21 words
An ink cartridge according to claim 46, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 55
Dependent Claim
49 words
An ink cartridge according to claim 46, wherein said water-soluble organic solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 56
Dependent Claim
20 words
An ink cartridge according to claim 46, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 57
Dependent Claim
20 words
An ink cartridge according to claim 46, wherein the content of said organic solvent is 10 to 50% by weight.
Claim 58
Dependent Claim
19 words
An ink cartridge according to claim 46, wherein the content of said water is 10 to 80% by weight.
Claim 59
Dependent Claim
17 words
An ink cartridge according to claim 46, wherein said water-soluble dye has 2 or less amino groups.
Claim 60
Dependent Claim
160 words
An ink-jet recording apparatus comprising a recording head having a plurality of orifices for ejecting a recording liquid as liquid droplets, an ink cartridge having a recording liquid storing member stored with the recording liquid, and a recording liquid supplying member for supplying the recording liquid from the ink cartridge to the recording head, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in the recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 61
Dependent Claim
160 words
An ink-jet recording apparatus comprising a recording head having a plurality of orifices for ejecting a recording liquid as liquid droplets, an ink cartridge having a recording liquid storing member stored with the recording liquid, and a recording liquid supplying member for supplying the recording liquid from the ink cartridge to the recording head, wherein said recording liquid is a storage stable recording liquid suitable for use near a heat energy source in the recording head comprising 0.5 to 15% by weight of coloring material, a liquid medium containing 10 to 95% by weight of water, and 5 to 95% by weight of water-soluble organic solvent having an ether bond and subject to formation of deposits from peroxides derived from said ether bond, and a pH value of said recording liquid being from 3 to 9, wherein the peroxide concentration of said liquid medium is not more than 4 mmol/l in terms of iodine to suppress formation of said deposits.
Claim 62
Dependent Claim
29 words
An ink-jet recording apparatus according to claim 54, wherein said head has a heating head to provide to said recording liquid a heat energy for ejecting a liquid droplet.
Claim 63
Dependent Claim
22 words
An ink-jet recording apparatus according to claim 54, wherein said liquid medium has a peroxide concentration of not more than 3 mmol/l.
Claim 64
Dependent Claim
22 words
An ink-jet recording apparatus according to claim 54, wherein said liquid medium has a peroxide concentration of not more than 2 mmol/l.
Claim 65
Dependent Claim
50 words
An ink-jet recording apparatus according to claim 54, wherein said water-soluble organic solvent having an ether bond is a solvent selected from the group consisting of diethylene glycol, triethylene glycol, polyethylene glycol, and methyl or ethyl ether of any of those, thiodiglycol, and methyl or ethyl ether of ethylene glycol.
Claim 66
Dependent Claim
21 words
An ink-jet recording apparatus according to claim 54, wherein the content of said organic solvent is 10 to 80% by weight.
Claim 67
Dependent Claim
21 words
An ink-jet recording apparatus according to claim 54, wherein the content of said organic solvent is 10 to 50% by weight.
Claim 68
Dependent Claim
20 words
An ink-jet recording apparatus according to claim 54, wherein the content of said water is 10 to 80% by weight.
Claim 69
Dependent Claim
18 words
An ink-jet recording apparatus according to claim 54, wherein said coloring material has 2 or less amino groups.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |