US5415686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink, ink-jet recording method making use of the same and instrument provided with the ink
Assignee: Canon Inc
•
Filing: 1994-04-05
•
Granted: 1995-05-16
•
Expires: 2014-04-05
Abstract
Abstract Disclosed herein is an ink comprising a recording agent and a liquid medium dispersing or dissolving the recording agent therein, wherein a finely particulate cellulose derivative is dispersed in the ink.
Inventors
- 👤 Yutaka Kurabayashi
- 👤 Mayumi Yamamoto
- 👤 Shinichi Tochihara
- 👤 Shinichi Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
28 words
An ink comprising a recording agent and a liquid medium dispersing or dissolving the recording agent therein, wherein a finely particulate cellulose derivative is dispersed in the ink.
Claim 2
Dependent Claim
28 words
An ink comprising a recording agent and a liquid medium dispersing or dissolving the recording agent therein, wherein a finely particulate cellulose derivative is dispersed in the ink.
Claim 3
Dependent Claim
24 words
The ink according to claim 1, wherein the finely particulate cellulose derivative has a particle size distribution ranging from 0.01 μm to 10 μm.
Claim 4
Dependent Claim
14 words
The ink according to claim 1, wherein the finely particulate cellulose derivative is porous.
Claim 5
Dependent Claim
14 words
The ink according to claim 1, wherein the recording agent is a water-soluble dye.
Claim 6
Dependent Claim
13 words
The ink according to claim 1, wherein the recording agent is a pigment.
Claim 7
Dependent Claim
19 words
The ink according to claim 1, wherein the liquid medium comprises water and at least one water-soluble organic solvent.
Claim 8
Dependent Claim
46 words
An ink-jet recording method in which droplets of an ink are ejected out from an orifice in accordance with a recording signal to make a record on a recording material, wherein said ink used is the ink according to any one of claims 1 to 6.
Claim 9
Dependent Claim
23 words
The ink-jet recording method according to claim 7, wherein the droplets of the ink are ejected by applying thermal energy to the ink.
Claim 10
Dependent Claim
43 words
A recording unit comprising an ink container portion with an ink held therein and a head from which the ink is ejected in the form of ink droplets, wherein said ink is the ink according to any one of claims 1 to 6.
Claim 11
Dependent Claim
26 words
The recording unit according to claim 9, wherein the head comprises a head in which thermal energy is applied to the ink to eject its droplets.
Claim 12
Dependent Claim
64 words
An ink-jet recording apparatus comprising a recording head from which an ink is ejected in the form of ink droplets, an ink cartridge having an ink container portion with the ink held therein, and an ink feeder for feeding the ink from the ink cartridge to the recording head, wherein said ink is the ink according to any one of claims 1 to 6.
Claim 13
Dependent Claim
27 words
The ink-jet recording apparatus according to claim 11, wherein the head comprises a head in which thermal energy is applied to the ink to eject its droplets.
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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) | 1998-05-15 | 1998-11-14 | 1999-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-05-15 | 2002-11-14 | 2003-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-05-15 | 2006-11-14 | 2007-05-16 | $7700.00 | Window Closed / Lapsed |