US6676254B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording method, ink cartridge, printing device and information recording apparatus
Assignee: Canon Inc
•
Filing: 2001-12-19
•
Granted: 2004-01-13
•
Expires: 2021-12-19
Abstract
Abstract A recording method including the step of providing an ink from a recording head to a recording medium through a gap provided between the recording head and the recording medium, the ink being supplied to the recording head from an ink tank including an ink contact member and the ink contacting the ink contact member, wherein the ink includes: (i) a fluorescent coloring material; (ii) a nonionic surfactant; (iii) a compound which is not compatible with (ii); and (iv) a liquid medium for dissolving or dispersing (i), (ii) and (iii), and wherein the ink contact member comprises at least one compound selected from the group consisting of polyacetate and polyolefin.
Inventors
- 👤 Akira Nagashima
- 👤 Shoji Koike
- 👤 Shinichi Hakamada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:38
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/50; C09D11/30; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/14; B41J2/14016; B41J2002/14169; B41J2002/14475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A recording method comprising a step of providing an ink from a recording head to a recording medium through a gap provided between the recording head and the recording medium, the ink being supplied to the recording head from an ink tank comprising an ink contact member and the ink contacting the ink contact member, wherein the ink comprises (i) a fluorescent coloring material; (ii) a nonionic surfactant; (iii) a compound which is not compatible with (ii) and which has a solubility parameter of not less than 15; and (iv) a liquid medium for dissolving or dispersing (i), (ii) and (iii), and wherein the ink contact member comprises at least one compound selected from the group consisting of polyacetate and polyolefin.
Claim 2
Dependent Claim
121 words
A recording method comprising a step of providing an ink from a recording head to a recording medium through a gap provided between the recording head and the recording medium, the ink being supplied to the recording head from an ink tank comprising an ink contact member and the ink contacting the ink contact member, wherein the ink comprises (i) a fluorescent coloring material; (ii) a nonionic surfactant; (iii) a compound which is not compatible with (ii) and which has a solubility parameter of not less than 15; and (iv) a liquid medium for dissolving or dispersing (i), (ii) and (iii), and wherein the ink contact member comprises at least one compound selected from the group consisting of polyacetate and polyolefin.
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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) | 2007-01-12 | 2007-07-14 | 2008-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-01-12 | 2011-07-14 | 2012-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-01-12 | 2015-07-14 | 2016-01-13 | $7700.00 | Window Closed / Lapsed |