US5380358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink, ink jet recording method using the same, and ink jet recording apparatus using the same
Assignee: Canon Inc
•
Filing: 1993-07-27
•
Granted: 1995-01-10
•
Expires: 2013-07-27
Abstract
Abstract Provided is an ink which contains a recording agent and a liquid medium for dissolving or dispersing said recording agent, said ink being characterized in that said ink contains 0.01 to 50 ppm of a chelating agent based on the total weight of said ink.
Inventors
- 👤 Makoto Aoki
- 👤 Shoji Koike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:20
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; Y; Y10; Y10S; Y10S260/00; Y10S260/38
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
43 words
An ink which contains a recording agent and a liquid medium for dissolving or dispersing said recording agent, said ink being characterized in that said ink contains 0.01 to 50 ppm of a chelating agent based on the total weight of said ink.
Claim 2
Dependent Claim
43 words
An ink which contains a recording agent and a liquid medium for dissolving or dispersing said recording agent, said ink being characterized in that said ink contains 0.01 to 50 ppm of a chelating agent based on the total weight of said ink.
Claim 3
Dependent Claim
24 words
The ink according to claim 1, which contains 0.01 to 10 ppm of said chelating agent based on the total weight of said ink.
Claim 4
Dependent Claim
24 words
The ink according to claim 1, which contains 0.01 to 4 ppm of said chelating agent based on the total weight of said ink.
Claim 5
Dependent Claim
15 words
The ink according to claim 1, wherein said chelating agent is ethylenediaminetetraacetic acid (EDTA) .
Claim 6
Dependent Claim
14 words
The ink according to claim 1, wherein said ink is for ink jet recording.
Claim 7
Dependent Claim
28 words
The ink according to claim 1, wherein said ink is an ink for use in a method to eject ink droplets by applying thermal energy to said ink.
Claim 8
Dependent Claim
24 words
The ink according to claim 1, wherein the viscosity of said ink is in the range of 0.7 to 12 cP at 25° C.
Claim 9
Dependent Claim
24 words
The ink according to claim 1, wherein the viscosity of said ink is in the range of 1 to 5 cP at 25° C.
Claim 10
Dependent Claim
25 words
The ink according to claim 1, wherein the surface tension of said ink is in the range of 26 to 60 dyne/cm at 25° C.
Claim 11
Dependent Claim
32 words
The ink according to claim 1, wherein the content of water in said ink is in the range of 40 to 96% by weight based on the total weight of said ink.
Claim 12
Dependent Claim
32 words
The ink according to claim 1, wherein the content of water in said ink is in the range of 60 to 95% by weight based on the total weight of said ink.
Claim 13
Dependent Claim
32 words
The ink according to claim 1, wherein the content of water in said ink is in the range of 73 to 94% by weight based on the total weight of said ink.
Claim 14
Independent Claim
61 words
A method for ink jet recording in which said recording is carried out by ejecting an ink in the form of droplets, said method being characterized in that said ink contains a recording agent, a liquid medium for dissolving or dispersing said recording agent, and 0.01 to 50 ppm of a chelating agent based on the total weight of said ink.
Claim 15
Independent Claim
61 words
A method for ink jet recording in which said recording is carried out by ejecting an ink in the form of droplets, said method being characterized in that said ink contains a recording agent, a liquid medium for dissolving or dispersing said recording agent, and 0.01 to 50 ppm of a chelating agent based on the total weight of said ink.
Claim 16
Dependent Claim
18 words
The method for ink jet recording according to claim 13, wherein said chelating agent is ethylenediaminetetraacetic acid (EDTA).
Claim 17
Dependent Claim
28 words
The method for ink jet recording according to claim 13, wherein said recording method is a method to eject ink droplets by applying thermal energy to said ink.
Claim 18
Dependent Claim
48 words
An ink jet recording unit which comprises an ink receiving portion for receiving an ink and a head portion for ejecting said ink in the form of droplets, said unit being characterized in that said ink is an ink according to any one of claims 1 to 12.
Claim 19
Dependent Claim
25 words
The recording unit according to claim 16, wherein said head portion comprises a head to eject ink droplets by applying thermal energy to said ink.
Claim 20
Dependent Claim
33 words
An ink cartridge equipped with an ink receiving portion for receiving an ink, said cartridge being characterized in that said ink is an ink according to any one of claims 1 to 12.
Claim 21
Dependent Claim
48 words
An ink jet recording apparatus which comprises an ink receiving portion for receiving an ink and a head portion for ejecting said ink in the form of droplets, said apparatus being characterized in that said ink is an ink according to any one of claims 1 to 12.
Claim 22
Dependent Claim
27 words
The ink jet recording apparatus according to claim 19, wherein said head portion contains a head to eject ink droplets by applying thermal energy to said ink.
Claim 23
Dependent Claim
53 words
An ink jet recording apparatus which comprises an ink cartridge equipped with an ink receiving portion for receiving said ink and a head portion for ejecting said ink in the form of droplets, said apparatus being characterized in that said ink is an ink according to any one of claims 1 to 12.
Claim 24
Dependent Claim
28 words
The ink jet recording apparatus according to claim 21, which has an ink feed portion for feeding said ink received in said ink cartridge to said recording head.
Claim 25
Dependent Claim
27 words
The ink jet recording apparatus according to claim 21, wherein said head portion contains a head to eject ink droplets by applying thermal energy to said ink
References Cited (Backward Citations)
JPS5185804A
Cited
US4142914A
Cited
JPS5451837A
Cited
US4150997A
Cited
US4285727A
Cited
JPS5642684A
Cited
US4361842A
Cited
US4383859A
Cited
JPS5889667A
Cited
US4557761A
Cited
US4632703A
Cited
US4661158A
Cited
JPS61113669A
Cited
JPS61113668A
Cited
JPS61113671A
Cited
JPS61113673A
Cited
US5101217A
Cited
US4923515A
Cited
US5099255A
Cited
US4689078A
Cited
US5124718A
Cited
US4853036A
Cited
US4957553A
Cited
US5075699A
Cited
US5053078A
Cited
US5067980A
Cited
US4838938A
Cited
US4981516A
Cited
US5017227A
Cited
US5092926A
Cited
EP0363139A2
Cited
US4965612A
Cited
US5017644A
Cited
US5132700A
Cited
US5080716A
Cited
US5078790A
Cited
US5131949A
Cited
US5141558A
Cited
US5190581A
Cited
US5220347A
Cited
US5118351A
Cited
US5221333A
Cited
US5151128A
Cited
US5062893A
Cited
EP0472196A2
Cited
US5250121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-01-09 | 1998-07-11 | 1999-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-09 | 2002-07-11 | 2003-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-09 | 2006-07-11 | 2007-01-10 | $7700.00 | Window Closed / Lapsed |