EP0440084A1
Expired / Lapsed
EP
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Ink, and ink-jet recording method and apparatus employing the ink
Assignee: Canon Inc
•
Filing: 1991-01-23
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Granted: —
•
Expires: 2011-01-23
Abstract
Abstract Provided is an ink containing a recording agent and a liquid medium for dissolution or dispersion thereof, said ink comprising, as the recording agent, a compound represented by the general formula (A) where n is 0 or 1; R₁, R₂, and R₃ are respectively a substituent selected from the group consisting of hydrogen, methyl, methoxy, hydroxy, amino, acetylamino, and sulfonic acid; and M is an alkali metal, ammonium, or an organic ammonium.
Inventors
- 👤 Tsuyoshi C/O Canon Kabushiki Kaisha Eida
- 👤 Takao C/O Canon Kabushiki Kaisha Yamamoto
- 👤 Mayumi C/O Canon Kabushiki Kaisha Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 14:28
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
70 words
An ink containing a recording agent and a liquid medium for dissolution or dispersion thereof, said ink comprising, as the recording agent, a compound represented by the general formula (A) where n is 0 or 1; R₁, R₂, and R₃ are respectively a substituent selected from the group consisting of hydrogen, methyl, methoxy, hydroxy, amino, acetylamino, and sulfonic acid; and M is an alkali metal, ammonium, or an organic ammonium.
Claim 2
Dependent Claim
30 words
The ink of Claim 1, wherein the compound represented by the general formula (A) is at least one selected from the following compounds of from No. 1 to No. 12:
Claim 3
Dependent Claim
19 words
The ink of Claim 1, wherein pH of the ink is within the range of from 4 to 10.
Claim 4
Dependent Claim
32 words
The ink of Claim 1, wherein said recording agent is contained in an amount within the range of from 0.1 to 15 % by weight of the total weight of the ink.
Claim 5
Dependent Claim
20 words
The ink of Claim 1, wherein the liquid medium comprises a mixed solvent of water and a water-soluble organic solvent.
Claim 6
Dependent Claim
31 words
The ink of Claim 5, wherein the water is contained in an amount within the range of from 10 to 97.5 % by weight of the total weight of the ink.
Claim 7
Dependent Claim
31 words
The ink of Claim 5, wherein the water-soluble organic solvent is contained in an amount within the range of from 2 to 80 % of the total weight of the ink.
Claim 8
Dependent Claim
71 words
An ink-jet recording method for recording on a recording medium with droplets of ink, said ink being a liquid composition containing at least one compound represented by the general formula (A) where n is 0 or 1; R₁, R₂, and R₃ are respectively a substituent selected from the group consisting of hydrogen, methyl, methoxy, hydroxy, amino, acetylamino, and sulfonic acid; and M is an alkali metal, ammonium, or an organic ammonium.
Claim 9
Dependent Claim
32 words
The ink-jet recording method of Claim 8, wherein the compound represented by the general formula (A) is at least one selected from the following compounds of from No. 1 to No. 12:
Claim 10
Dependent Claim
21 words
The ink-jet recording method of Claim 8, wherein pH of the ink is within the range of from 4 to 10.
Claim 11
Dependent Claim
40 words
The ink-jet recording method of Claim 8, wherein the the compound represented by the general formula (A) is contained in an amount within the range of from 0.1 to 15 % by weight of the total weight of the ink
Claim 12
Dependent Claim
22 words
The ink-jet recording method of Claim 8, wherein the ink further comprises a mixed solvent of water and a water-soluble organic solvent.
Claim 13
Dependent Claim
33 words
The ink-jet recording method of Claim 12, wherein the water is contained in an amount within the range of from 10 to 97.5 % by weight of the total weight of the ink.
Claim 14
Dependent Claim
33 words
The ink-jet recording method of Claim 12, wherein the water-soluble organic solvent is contained in an amount within the range of from 2 to 80 % of the total weight of the ink.
Claim 15
Dependent Claim
17 words
The ink-jet recording method of Claim 8, wherein the recording medium is non-coated paper or coated paper.
Claim 16
Dependent Claim
20 words
The ink-jet recording method of Claim 8, wherein the ink is ejected by action of thermal energy on the ink.
Claim 17
Dependent Claim
78 words
A recording unit having an ink container portion for holding an ink and a head for ejecting the ink in droplets, said ink being a liquid composition containing at least one compound represented by the general formula (A) where n is 0 or 1; R₁, R₂, and R₃ are respectively a substituent selected from the group consisting of hydrogen, methyl, methoxy, hydroxy, amino, acetylamino, and sulfonic acid; and M is an alkali metal, ammonium, or an organic ammonium.
Claim 18
Dependent Claim
31 words
The recording unit of Claim 17, wherein the compound represented by the general formula (A) is at least one selected from the following compounds of from No. 1 to No. 12:
Claim 19
Dependent Claim
20 words
The recording unit of Claim 17, wherein pH of the ink is within the range of from 4 to 10.
Claim 20
Dependent Claim
38 words
The recording unit of Claim 17, wherein the compound represented by the general formula (A) is contained in an amount within the range of from 0.1 to 15 % by weight of the total weight of the ink.
Claim 21
Dependent Claim
21 words
The recording unit of Claim 17, wherein the ink further comprises a mixed solvent of water and a water-soluble organic solvent.
Claim 22
Dependent Claim
32 words
The recording unit of Claim 21, wherein the water is contained in an amount within the range of from 10 to 97.5 % by weight of the total weight of the ink.
Claim 23
Dependent Claim
32 words
The recording unit of Claim 21, wherein the water-soluble organic solvent is contained in an amount within the range of from 2 to 80 % of the total weight of the ink.
Claim 24
Dependent Claim
20 words
The recording unit of Claim 17, wherein the head ejects ink droplets by action of thermal energy on the ink.
Claim 25
Dependent Claim
16 words
The recording unit of Claim 17, wherein the ink container portion comprises an ink absorption member.
Claim 26
Dependent Claim
15 words
The recording unit of Claim 25, wherein the ink absorption member is formed from polyurethane.
Claim 27
Dependent Claim
69 words
An ink cartridge having an ink container portion for holding an ink, said ink being a liquid composition containing at least one compound represented by the general formula (A) where n is 0 or 1; R₁, R₂, and R₃ are respectively a substituent selected from the group consisting of hydrogen, methyl, methoxy, hydroxy, amino, acetylamino, and sulfonic acid; and M is an alkali metal, ammonium, or an organic ammonium.
Claim 28
Dependent Claim
31 words
The ink cartridge of Claim 27, wherein the compound represented by the general formula (A) is at least one selected from the following compounds of from No. 1 to No. 12:
Claim 29
Dependent Claim
20 words
The ink cartridge of Claim 27, wherein pH of the ink is within the range of from 4 to 10.
Claim 30
Dependent Claim
38 words
The ink cartridge of Claim 27, wherein the compound represented by the general formula (A) is contained in an amount within the range of from 0.1 to 15 % by weight of the total weight of the ink
Claim 31
Dependent Claim
21 words
The ink cartridge of Claim 27, wherein the ink further comprises a mixed solvent of water and a water-soluble organic solvent.
Claim 32
Dependent Claim
32 words
The ink cartridge of Claim 31, wherein the water is contained in an amount within the range of from 10 to 97.5 % by weight of the total weight of the ink.
Claim 33
Dependent Claim
32 words
The ink cartridge of Claim 31, wherein the water-soluble organic solvent is contained in an amount within the range of from 2 to 80 % of the total weight of the ink.
Claim 34
Dependent Claim
16 words
The ink cartridge of Claim 27, wherein the ink container portion is of a bag structure.
Claim 35
Dependent Claim
18 words
The ink cartridge of Claim 27, wherein the ink container portion has a liquid-contact face formed of polyolefin.
Claim 36
Dependent Claim
17 words
An ink-jet recording apparatus having a recording unit specified in any one of Claims 17 to 26.
Claim 37
Dependent Claim
14 words
The ink-jet recording apparatus of Claim 36, having a carriage for the recording unit.
Claim 38
Dependent Claim
20 words
An ink-jet recording apparatus, having a cartridge specified in any one of Claims 27 to 35 and a recording head.
Claim 39
Dependent Claim
26 words
The ink-jet recording apparatus of Claim 38, which has further an ink supplying system for supplying ink contained in the ink cartridge to the recording head.
Claim 40
Dependent Claim
22 words
The ink-jet recording apparatus of Claim 38, wherein the recording head ejects ink droplets by action of thermal energy on the ink.
Claim 41
Dependent Claim
17 words
Use of the ink specified in any one of Claims 1 to 7 for an ink-jet recording.
Claim 42
Dependent Claim
19 words
Use of the recording unit specified in any one of Claims 17 to 26 for an ink-jet recording apparatus.
Claim 43
Dependent Claim
15 words
Use of the ink cartridge specified in Claims 27 to 35 for ink-jet recording apparatus.
References Cited (Backward Citations)
GB2108518A
Cited
DE3330379A1
Cited
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