US4683002A
Expired / Lapsed
US
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Liquid composition and method for recording
Assignee: Canon Inc
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Filing: 1985-11-06
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Granted: 1987-07-28
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Expires: 2005-11-06
Abstract
Abstract A liquid composition comprising a water-soluble dye is provided. The composition contains iron and silicon at a concentration of 9 ppm or less. A method for recording with liquid droplets formed from the liquid composition is also provided. Further, a water soluble dye for the liquid composition is provided, the dye containing iron and silicon at a total concentration of 250 ppm or less.
Inventors
- 👤 Konoe Mirua
- 👤 Hiroshi Takimoto
- 👤 Toshio Kaneko
- 👤 Tokuya Ohta
- 👤 Masatsune Kobayashi
- 👤 Tsuyoshi Eida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:13
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09B; C09B67/00; C09B67/0071; C09B67/0083; C09B67/0096; C09D11/16
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
23 words
A liquid composition comprising a water-soluble dye, wherein said composition has a total concentration of iron and silicon at 9 ppm or less.
Claim 2
Dependent Claim
23 words
A liquid composition comprising a water-soluble dye, wherein said composition has a total concentration of iron and silicon at 9 ppm or less.
Claim 3
Dependent Claim
16 words
A liquid composition according to claim 1, wherein concentration of iron is 4 ppm or less.
Claim 4
Dependent Claim
24 words
A liquid composition according to claim 1, wherein a concentration of the water-soluble dye is within a range from 0.1 to 20% by weight.
Claim 5
Dependent Claim
14 words
A liquid composition according to claim 1, wherein water is contained as a solvent.
Claim 6
Dependent Claim
22 words
A liquid composition according to claim 1, wherein a mixture of water and a water-soluble organic solvent is contained as a solvent.
Claim 7
Dependent Claim
13 words
A liquid composition according to claim 4, wherein the water is deionized water.
Claim 8
Dependent Claim
16 words
A liquid composition according to claim 5, wherein the water-soluble organic solvent is a polyhydric alcohol.
Claim 9
Independent Claim
33 words
A method for recording with liquid droplets made from a liquid composition, comprising utilizing the liquid composition containing a water-soluble dye in which total concentration iron and silicon is 9 ppm or less.
Claim 10
Independent Claim
33 words
A method for recording with liquid droplets made from a liquid composition, comprising utilizing the liquid composition containing a water-soluble dye in which total concentration iron and silicon is 9 ppm or less.
Claim 11
Dependent Claim
21 words
A method according to claim 8, wherein the liquid composition is made into liquid droplets under an action of thermal energy.
Claim 12
Dependent Claim
16 words
A method according to claim 8, wherein a concentration of iron is 4 ppm or less.
Claim 13
Dependent Claim
23 words
A method according to claim 8, wherein a concentration of the water-soluble dye is within a range from 0.1 to 20% by weight.
Claim 14
Dependent Claim
17 words
A method according to claim 8, wherein water is contained as a solvent in the liquid composition.
Claim 15
Dependent Claim
25 words
A method according to claim 8, wherein a mixture of water and a water-soluble organic solvent is contained as a solvent in the liquid composition.
Claim 16
Dependent Claim
12 words
A method according to claim 12, wherein the water is deionized water.
Claim 17
Dependent Claim
15 words
A method according to claim 13, wherein the water-soluble organic solvent is a polyhydric alcohol.
Claim 18
Dependent Claim
13 words
A liquid composition according to claim 5, wherein the water is deionized water.
Claim 19
Dependent Claim
12 words
A method according to claim 13, wherein the water is deionized water.
References Cited (Backward Citations)
US4373954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-07-27 | 1991-01-26 | 1991-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-27 | 1995-01-26 | 1995-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-27 | 1999-01-26 | 1999-07-28 | $7700.00 | Window Closed / Lapsed |