US5127946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink, and ink-jet recording method and apparatus employing the ink
Assignee: Canon Inc
•
Filing: 1991-01-23
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Granted: 1992-07-07
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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) ##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 05:34
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
76 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) ##STR6## 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
76 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) ##STR6## 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
31 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: ##STR7##
Claim 4
Dependent Claim
19 words
The ink of claim 1, wherein pH of the ink is within the range of from 4 to 10.
Claim 5
Dependent Claim
31 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 6
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 7
Dependent Claim
30 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 8
Dependent Claim
32 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% by weight of the total weight of the ink.
Claim 9
Dependent Claim
80 words
In an ink-jet recording method for recording on a recording medium with droplets of ink, the improvement comprising employing a liquid ink composition containing at least one compound represented by the general formula (A) ##STR8## 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 10
Dependent Claim
80 words
In an ink-jet recording method for recording on a recording medium with droplets of ink, the improvement comprising employing a liquid ink composition containing at least one compound represented by the general formula (A) ##STR8## 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 11
Dependent Claim
34 words
In 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: ##STR9##
Claim 12
Dependent Claim
22 words
In the ink-jet recording method of claim 8, wherein pH of the ink is within the range of from 4 to 10.
Claim 13
Dependent Claim
39 words
In the ink-jet recording method of claim 8, 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 14
Dependent Claim
23 words
In 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 15
Dependent Claim
33 words
In 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 16
Dependent Claim
33 words
In 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 17
Dependent Claim
18 words
In the ink-jet recording method of claim 8, wherein the recording medium is non-coated paper or coated paper.
Claim 18
Dependent Claim
21 words
In the ink-jet recording method of claim 8, wherein the ink is ejected by action of thermal energy on the ink.
Claim 19
Dependent Claim
84 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) ##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 20
Dependent Claim
84 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) ##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 21
Dependent Claim
32 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: ##STR11##
Claim 22
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 23
Dependent Claim
37 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 24
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 25
Dependent Claim
31 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 26
Dependent Claim
31 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 27
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 28
Dependent Claim
16 words
The recording unit of claim 17, wherein the ink container portion comprises an ink absorption member.
Claim 29
Dependent Claim
15 words
The recording unit of claim 25, wherein the ink absorption member is formed from polyurethane.
Claim 30
Dependent Claim
75 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) ##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.
Claim 31
Dependent Claim
75 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) ##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.
Claim 32
Dependent Claim
32 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: ##STR13##
Claim 33
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 34
Dependent Claim
37 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 35
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 36
Dependent Claim
31 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 37
Dependent Claim
31 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 38
Dependent Claim
16 words
The ink cartridge of claim 27, wherein the ink container portion is of a bag structure.
Claim 39
Dependent Claim
18 words
The ink cartridge of claim 27, wherein the ink container portion has a liquid-contact face formed of polyolefin.
References Cited (Backward Citations)
US4395288A
Cited
US4255327A
Cited
JPS55151070A
Cited
JPS5657862A
Cited
US4373954A
Cited
US4435717A
Cited
GB2108518A
Cited
US4426226A
Cited
US4620876A
Cited
DE3330379A1
Cited
JPS5993766A
Cited
JPS5993768A
Cited
US4557761A
Cited
US4661158A
Cited
US4732613A
Cited
US4778525A
Cited
US4734489A
Cited
US4841037A
Cited
JPS6210274A
Cited
US4765838A
Cited
US4804411A
Cited
US4864324A
Cited
JPS6435880A
Cited
JPH01135880A
Cited
JPH01193375A
Cited
US5017227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-07-07 | 1996-01-06 | 1996-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-07 | 2000-01-06 | 2000-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-07 | 2004-01-06 | 2004-07-07 | $7700.00 | Window Closed / Lapsed |