US5651814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink, and ink-jet recording method and instruments using the same
Assignee: Canon Inc
•
Filing: 1996-09-24
•
Granted: 1997-07-29
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Expires: 2016-09-24
Abstract
Abstract Disclosed herein is an ink comprising a recording agent, succinylated carboxymethylchitosan and a liquid medium.
Inventors
- 👤 Masako Shimomura
- 👤 Yutaka Kurabayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:53
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
12 words
An ink comprising a recording agent, succinylated carboxymethylchitosan and a liquid medium.
Claim 2
Dependent Claim
12 words
An ink comprising a recording agent, succinylated carboxymethylchitosan and a liquid medium.
Claim 3
Dependent Claim
19 words
The ink according to claim 1, wherein the recording agent is a dye at least having an anionic group.
Claim 4
Dependent Claim
13 words
The ink according to claim 1, wherein the recording agent is a pigment.
Claim 5
Dependent Claim
21 words
The ink according to claim 1, wherein the succinylated carboxymethylchitosan has a weight average molecular weight of from 5,000 to 400,000.
Claim 6
Dependent Claim
22 words
The ink according to claim 1, wherein the liquid medium comprises a water-soluble organic solvent, or a water-soluble organic solvent and water.
Claim 7
Dependent Claim
27 words
An ink-jet recording method comprising applying energy to an ink to eject the ink, thereby conducting recording, wherein said ink is the ink according to claim 1.
Claim 8
Dependent Claim
18 words
The ink-jet recording method according to claim 6, wherein the energy applied to the ink is thermal energy.
Claim 9
Dependent Claim
31 words
A recording unit comprising an ink container portion containing an ink therein and a head from which the ink is ejected, wherein said ink is the ink according to claim 1.
Claim 10
Dependent Claim
24 words
The recording unit according to claim 8, wherein the head is a head which applies thermal energy to the ink to eject the ink.
Claim 11
Dependent Claim
22 words
An ink cartridge comprising an ink container portion containing an ink therein, wherein said ink is the ink according to claim 1.
Claim 12
Dependent Claim
36 words
An ink-jet recording apparatus comprising an ink cartridge equipped with an ink container portion containing an ink therein, and a recording head for ejecting the ink, wherein said ink is the ink according to claim 1.
Claim 13
Dependent Claim
26 words
The ink-jet recording apparatus according to claim 11, which comprises a feeding part for feeding the ink contained in the ink cartridge to the recording head.
Claim 14
Dependent Claim
27 words
The ink-jet recording apparatus according to claim 11 or 12, wherein the head is a head which applies thermal energy to the ink to eject the ink.
Claim 15
Dependent Claim
36 words
An ink-jet recording apparatus comprising a recording unit having an ink container portion containing an ink therein and a head from which the ink is ejected, wherein said ink is the ink according to claim 1.
Claim 16
Dependent Claim
25 words
The ink-jet recording apparatus according to claim 14, wherein the head is a head which applies thermal energy to the ink to eject the ink.
References Cited (Backward Citations)
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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) | 2000-07-28 | 2001-01-27 | 2001-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-07-28 | 2005-01-27 | 2005-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-07-28 | 2009-01-27 | 2009-07-29 | $7700.00 | Window Closed / Lapsed |