US5160370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording liquid and ink-jet recording method making recording unit, ink cartridge, and ink-jet recording apparatus making use thereof
Assignee: Canon Inc
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Filing: 1991-05-14
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Granted: 1992-11-03
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Expires: 2011-05-14
Abstract
Abstract A recording liquid including a pigment, a water-soluble resin, a water-soluble organic solvent, and water, wherein, of the water-soluble resin, water-soluble resin that is in the state of being dissolved in the recording liquid without being absorbed on the pigment is contained in an amount of not more than 2% by weight; and the water-soluble organic solvent comprises at least one of a polyhydric alcohol and an alkyl ether thereof, and an aliphatic monohydric alcohol. This recording liquid is used in an ink-jet recording method, recording unit, ink cartridge, and ink-jet recording apparatus.
Inventors
- 👤 Yuko Suga
- 👤 Hiromichi Noguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:41
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/322; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41M; B41M1/00; B41M1/06; C09D11/36
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
72 words
A recording liquid comprising a pigment, a water-soluble resin, a water-soluble organic solvent, and water, wherein; of the water-soluble resin, water-soluble resin that is dissolved in the recording liquid without being absorbed on the pigment is contained in an amount of not more than 2% by weight; and the water-soluble organic solvent comprises (i) an aliphatic monohydric alcohol, and (ii) at least one of a polyhydric alcohol and an alkyl ether thereof.
Claim 2
Dependent Claim
72 words
A recording liquid comprising a pigment, a water-soluble resin, a water-soluble organic solvent, and water, wherein; of the water-soluble resin, water-soluble resin that is dissolved in the recording liquid without being absorbed on the pigment is contained in an amount of not more than 2% by weight; and the water-soluble organic solvent comprises (i) an aliphatic monohydric alcohol, and (ii) at least one of a polyhydric alcohol and an alkyl ether thereof.
Claim 3
Dependent Claim
15 words
A recording liquid according to claim 1, wherein said aliphatic monohydric alcohol is ethyl alcohol.
Claim 4
Dependent Claim
24 words
A recording liquid according to claim 1, wherein said aliphatic monohydric alcohol is contained in an amount ranging from 3 to 15% by weight.
Claim 5
Dependent Claim
33 words
A recording liquid according to claim 1, wherein said at least one of a polyhydric alcohol and an alkyl ether thereof is contained in an amount ranging from 10 to 50% by weight.
Claim 6
Dependent Claim
85 words
A recording liquid comprising a pigment, a water-soluble resin, a water-soluble organic solvent, and water, wherein; of the water-soluble resin, water-soluble resin that is dissolved in the recording liquid without being absorbed on the pigment is contained in an amount of not more than 2% by weight; and the water-soluble organic solvent comprises (i) an aliphatic monohydric alcohol, and (ii) at least one of a polyhydric alcohol and an alkyl ether thereof; and the water-soluble resin has an acid value of from 50 to 300.
Claim 7
Dependent Claim
85 words
A recording liquid comprising a pigment, a water-soluble resin, a water-soluble organic solvent, and water, wherein; of the water-soluble resin, water-soluble resin that is dissolved in the recording liquid without being absorbed on the pigment is contained in an amount of not more than 2% by weight; and the water-soluble organic solvent comprises (i) an aliphatic monohydric alcohol, and (ii) at least one of a polyhydric alcohol and an alkyl ether thereof; and the water-soluble resin has an acid value of from 50 to 300.
Claim 8
Dependent Claim
15 words
A recording liquid according to claim 5, wherein said aliphatic monohydric alcohol is ethyl alcohol.
Claim 9
Dependent Claim
24 words
A recording liquid according to claim 5, wherein said aliphatic monohydric alcohol is contained in an amount ranging from 3 to 15% by weight.
Claim 10
Dependent Claim
33 words
A recording liquid according to claim 5, wherein said at least one of a polyhydric alcohol and an alkyl ether thereof is contained in an amount ranging from 10 to 50% by weight.
Claim 11
Dependent Claim
19 words
A recording liquid according to claim 5, wherein said water-soluble resin has an acid value of 70 to 250.
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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) | 1995-11-03 | 1996-05-04 | 1996-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-03 | 2000-05-04 | 2000-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-03 | 2004-05-04 | 2004-11-03 | $7700.00 | Window Closed / Lapsed |