US5215577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink, and ink-jet recording method and apparatus employing the ink
Assignee: Canon Inc
•
Filing: 1992-04-13
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Granted: 1993-06-01
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Expires: 2012-04-13
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) ##STR1## where n is 0 or 1; R 1 , R 2 , and R 3 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 Eida
- 👤 Takao Yamamoto
- 👤 Mayumi Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:54
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
89 words
An ink-jet recording apparatus having 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) ##STR10## where n is 0 or 1; R 1 , R 2 , and R 3 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
89 words
An ink-jet recording apparatus having 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) ##STR10## where n is 0 or 1; R 1 , R 2 , and R 3 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 3
Dependent Claim
33 words
The ink-jet recording apparatus 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: ##STR11##
Claim 4
Dependent Claim
22 words
The ink-jet recording apparatus of claim 1, wherein the pH of the ink is within the range of from 4 to 10.
Claim 5
Dependent Claim
38 words
The ink-jet recording apparatus of claim 1, 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 6
Dependent Claim
22 words
The ink-jet recording apparatus of claim 1, wherein the ink further comprises a mixed solvent of water and a water-soluble organic solvent.
Claim 7
Dependent Claim
32 words
An ink-jet recording apparatus 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 8
Dependent Claim
34 words
The ink-jet recording apparatus of claim 5, wherein the water-soluble organic solvent is contained in an amount within the range of from 2 to 80% by weight of the total weight of the ink.
Claim 9
Dependent Claim
21 words
The ink-jet recording apparatus of claim 1, wherein the head ejects ink droplets by action of thermal energy on the ink.
Claim 10
Dependent Claim
17 words
The ink-jet recording apparatus of claim 1, wherein the ink container portion comprises an ink absorption member.
Claim 11
Dependent Claim
16 words
The ink-jet recording apparatus of claim 9, wherein the ink absorption member is formed from polyurethane.
Claim 12
Dependent Claim
14 words
The ink-jet recording apparatus of claim 1, having a carriage for the recording unit.
Claim 13
Dependent Claim
84 words
An ink-jet recording apparatus having 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) ##STR12## where n is 0 or 1; R 1 , R 2 , and R 3 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, and a recording head.
Claim 14
Dependent Claim
84 words
An ink-jet recording apparatus having 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) ##STR12## where n is 0 or 1; R 1 , R 2 , and R 3 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, and a recording head.
Claim 15
Dependent Claim
32 words
The ink-jet recording apparatus of claim 12, wherein the compound represented by the general formula (A) is at least one selected from the following compounds of from No. 1 to 12: ##STR13##
Claim 16
Dependent Claim
22 words
The ink-jet recording apparatus of claim 12, wherein the pH of the ink is within the range of from 4 to 10.
Claim 17
Dependent Claim
38 words
The ink-jet recording apparatus of claim 12, 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 18
Dependent Claim
22 words
The ink-jet recording apparatus of claim 12, wherein the ink further comprises a mixed solvent of water and a water-soluble organic solvent.
Claim 19
Dependent Claim
32 words
The ink-jet recording apparatus of claim 16, 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 20
Dependent Claim
34 words
The ink-jet recording apparatus of claim 16, wherein the water-soluble organic solvent is contained in an amount within the range of from 2 to 80% by weight of the total weight of the ink.
Claim 21
Dependent Claim
16 words
The ink-jet recording apparatus of claim 12, wherein the ink container portion is a bag structure.
Claim 22
Dependent Claim
19 words
The ink-jet recording apparatus of claim 12, wherein the ink container portion has a liquid-contact face formed of polyolefin.
Claim 23
Dependent Claim
26 words
The ink-jet recording apparatus of claim 17, which has further an ink supplying system for supplying ink contained in the ink cartridge to the recording head.
Claim 24
Dependent Claim
22 words
The ink-jet recording apparatus of claim 12, wherein the recording head ejects ink droplets by action of thermal energy on the ink.
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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) | 1996-05-31 | 1996-11-30 | 1997-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-05-31 | 2000-11-30 | 2001-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-05-31 | 2004-11-30 | 2005-06-01 | $7700.00 | Window Closed / Lapsed |