US5792249A
Expired / Lapsed
US
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Liquid composition, ink set, image-forming method and apparatus using the same
Assignee: Canon Inc
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Filing: 1996-01-23
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Granted: 1998-08-11
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Expires: 2016-01-23
Abstract
Abstract The invention provides a liquid composition containing a metallic coordination compound in a solvent, an ink set in which the liquid composition is combined with one or more inks, a method of forming an image, and an image-forming apparatus applying them.
Inventors
- 👤 Katsuhiro Shirota
- 👤 Yutaka Kurabayashi
- 👤 Katsuhiko Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:01
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/21; B41J2/2107; B41J2/2114; C09D11/40; C09D11/54
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
65 words
A liquid composition comprising a metallic coordination compound which comprises a metallic ion and a ligand in a solvent, and a polymer selected from the group consisting of hydrochloric acid salt of polyallylamine, hydrochloric acid salt of polyaminesulfone, hydrochloric acid salt of polyvinyl amine, acetic acid salt of chitosan, polyacrylamide, polyvinyl alcohol, polyvinyl pyrrolidone, vinyl pyrrolidone-alkylamino acrylate quaternary salt copolymer, and acrylamide-aminomethylacrylamide quaternary salt copolymer.
Claim 2
Dependent Claim
65 words
A liquid composition comprising a metallic coordination compound which comprises a metallic ion and a ligand in a solvent, and a polymer selected from the group consisting of hydrochloric acid salt of polyallylamine, hydrochloric acid salt of polyaminesulfone, hydrochloric acid salt of polyvinyl amine, acetic acid salt of chitosan, polyacrylamide, polyvinyl alcohol, polyvinyl pyrrolidone, vinyl pyrrolidone-alkylamino acrylate quaternary salt copolymer, and acrylamide-aminomethylacrylamide quaternary salt copolymer.
Claim 3
Dependent Claim
18 words
A liquid composition according to claim 1, wherein the ligand has a coordination number of two or more.
Claim 4
Dependent Claim
18 words
A liquid composition according to claim 1, wherein the ligand has a coordination number of three or more.
Claim 5
Dependent Claim
39 words
A liquid composition according to claim 2, wherein said ligand is selected from the group consisting of glycine, ethylenediamine, propylenediamine, lactic acid, iminodiacetic acid, diethylenetriamine, dihydroxyethylglycine, hydroxyethyliminodiacetic acid, nitrilotriacetic acid, ethylenediaminetetraacetic acid, hydroxyethylethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, and triethylenetetraminehexaacetic acid.
Claim 6
Dependent Claim
33 words
A liquid composition according to claim 1, wherein the metallic ion is selected from the group consisting of aluminum ion, nickel ion, copper ion, barium ion, calcium ion, iron ion and chromium ion.
Claim 7
Dependent Claim
20 words
A liquid composition according to claim 1, wherein the polymer has a number average molecular weight of 1,000 or more.
Claim 8
Dependent Claim
23 words
A liquid composition according to claim 1, wherein the content of said metallic coordination compound ranges from 0.05 to 8.0 percent by weight.
Claim 9
Dependent Claim
17 words
A liquid composition according to claim 1, wherein said solvent comprises water and a water-soluble organic solvent.
Claim 10
Dependent Claim
21 words
A liquid composition according to claim 1, wherein the content of said polymer ranges from 0.05 to 20 percent by weight.
Claim 11
Dependent Claim
37 words
An ink set comprising a combination of the liquid composition of any one of claims 1 through 9 and at least one ink selected from the group consisting of yellow, magenta, cyan, black, red, blue, and green.
Claim 12
Dependent Claim
26 words
An ink set comprising a combination of the liquid composition described in any one of claims 1 through 9 and yellow, magenta, and cyan color inks.
Claim 13
Dependent Claim
27 words
An ink set comprising a combination of the liquid composition described in any one of claims 1 through 9 and yellow, magenta, cyan, and black color inks.
Claim 14
Dependent Claim
14 words
An ink set according to claim 10, wherein said ink comprises an anionic compound.
Claim 15
Dependent Claim
20 words
An ink set according to claims 1 through 9, wherein said ink contains an water-soluble dyestuff having an anionic group.
Claim 16
Independent Claim
54 words
A method for forming an image comprising a step (A) of adhering the liquid composition of one of claims 1 through 9 to at least an image-forming region of a recording medium, and a step (B) of discharging an ink containing at least an anionic compound onto said recording medium by an ink-jet system.
Claim 17
Dependent Claim
19 words
A method for forming an image according to claim 15, wherein said ink-jet system is an on-demand ink-jet system.
Claim 18
Dependent Claim
24 words
A method for forming an image according to claim 15, wherein said liquid composition is adhered to the recording media by the ink-jet system.
Claim 19
Dependent Claim
25 words
A method for forming an image according to claim 15, wherein said ink-jet system is an ink-jet system which applies heat energy to the ink.
Claim 20
Dependent Claim
20 words
A method for forming an image according to claim 15, wherein said step (A) is performed before said step (B).
Claim 21
Dependent Claim
20 words
A method for forming an image according to claim 15, wherein said step (A) is performed after said step (B).
Claim 22
Dependent Claim
17 words
An apparatus for forming an image comprising the ink set of claim 10 and an ink-jet means.
Claim 23
Dependent Claim
20 words
An apparatus for forming an image according to claim 21, wherein said liquid composition and said ink are separately contained.
Claim 24
Independent Claim
53 words
An apparatus for forming an image comprising a first recording unit having a reserving portion and a discharging means for said liquid composition of any one of claims 1 through 9 and a second recording unit having a reserving portion and a discharging means for an ink containing at least an anionic compound.
Claim 25
Dependent Claim
18 words
An apparatus for forming an image according to claim 23, wherein said discharging means is an ink-jet means.
Claim 26
Dependent Claim
29 words
An apparatus for forming an image according to claim 24, wherein said ink-jet means is a means for forming an ink drop by applying heat energy to the ink.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2001-08-10 | 2002-02-09 | 2002-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-08-10 | 2006-02-09 | 2006-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-08-10 | 2010-02-09 | 2010-08-11 | $7700.00 | Window Closed / Lapsed |