US7128779B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge
Assignee: Canon Inc
•
Filing: 2006-02-27
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Granted: 2006-10-31
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Expires: 2026-02-27
Abstract
Abstract An ink jet ink includes at least a coloring material. The coloring material is at least one of C.I. Food Black 2 and C.I. Direct Black 195, and a compound represented by the following general formula (I) or a salt thereof
Inventors
- 👤 Koichi Osumi
- 👤 Sadayuki Sugama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:56
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41M; B41M5/00; C09D11/40
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
43 words
An ink jet ink comprising at least a coloring material, wherein the coloring material comprises at least one of C.I. Food Black 2 and a C.I. Direct Black 195, and a compound represented by the following general formula (I) or a salt thereof
Claim 2
Dependent Claim
43 words
An ink jet ink comprising at least a coloring material, wherein the coloring material comprises at least one of C.I. Food Black 2 and a C.I. Direct Black 195, and a compound represented by the following general formula (I) or a salt thereof
Claim 3
Independent Claim
65 words
A method for producing an ink jet ink comprising a step of filling an ink jet ink tank which stores an ink jet ink comprising, as a coloring material, a compound represented by the following general formula (I) or a salt thereof, with an ink jet ink comprising, as a coloring material, at least one of C.I. Food Black 2 and C.I. Direct Black 195
Claim 4
Independent Claim
65 words
A method for producing an ink jet ink comprising a step of filling an ink jet ink tank which stores an ink jet ink comprising, as a coloring material, a compound represented by the following general formula (I) or a salt thereof, with an ink jet ink comprising, as a coloring material, at least one of C.I. Food Black 2 and C.I. Direct Black 195
Claim 5
Dependent Claim
19 words
An ink jet ink obtained by the method for producing an ink jet ink according to claim 2 .
Claim 6
Dependent Claim
36 words
An ink jet recording method comprising a step of ejecting an ink by ink jet method to conduct recording on a recording medium, wherein the ink is an ink jet ink according to claim 1 .
Claim 7
Dependent Claim
36 words
An ink jet recording method comprising a step of ejecting an ink by ink jet method to conduct recording on a recording medium, wherein the ink is an ink jet ink according to claim 3 .
Claim 8
Dependent Claim
24 words
An ink cartridge comprising an ink storage portion for storing ink, wherein the ink comprises an ink jet ink according to claim 1 .
Claim 9
Dependent Claim
24 words
An ink cartridge comprising an ink storage portion for storing ink, wherein the ink comprises an ink jet ink according to claim 3 .
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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) | 2009-10-30 | 2010-05-01 | 2010-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-10-30 | 2014-05-01 | 2014-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-10-30 | 2018-05-01 | 2018-10-31 | $7700.00 | Window Closed / Lapsed |