US7244299B2
Expired / Lapsed
US
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Ink jet recording ink, ink jet recording method, ink cartridge, and ink jet recording apparatus
Assignee: Canon Inc
•
Filing: 2005-09-26
•
Granted: 2007-07-17
•
Expires: 2025-09-26
Abstract
Abstract An ink jet recording ink comprising at least a copper phthalocyanine dye represented by the following general formula (1) and a compound represented by the following general formula (2):
Inventors
- 👤 Itaru Tsuji
- 👤 Shinichi Tochihara
- 👤 Hiroshi Tomioka
- 👤 Koichi Osumi
- 👤 Hiroyuki Takuhara
- 👤 Minako Kawabe
- 👤 Hideki Yamakami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:30
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
376 words
An ink jet recording ink comprising at least a copper phthalocyanine dye represented by the following general formula (1) and a compound represented by the following general formula (2): wherein M represents an alkali metal or ammonium, R 7 represents OH, COOM, or R 8 COOM in which R 8 represents an alkyl group having 4 to 9 carbon atoms and M represents an alkali metal or ammonium, and x, y, and z each independently represent an integer of 0 to 4, wherein R 1 and R 2 each independently represent a substituted or unsubstituted alkyl group, aryl group, or arylalkyl group, or a hydrogen atom, R 3 and R 5 each independently represent a carboxyl group or a salt thereof, a sulfonic group or a salt thereof, a phosphate group or a salt thereof, or an alkyl group in which any one of these groups is substituted, R 4 and R 6 each independently represent a group except those defined for R 3 and R 5 , p and r each independently represent an integer of 1 to 5, q and s each independently represent an integer of 0 to 4, and p+q≦5 and r+s≦5; wherein the content of the compound represented by the general formula (2) is 0.1 mass % or more and 3.0 mass % or less with respect to the total mass of the ink jet recording ink; wherein the content of the compound represented by the general formula (1) is 0.5 mass % or more and 5.0 mass % or less with respect to the total mass of the ink jet recording ink; and wherein an absorption spectrum of the copper phthalocyanine dye represented by the general formula (1) satisfies the following conditions (1) and (2): (1) the absorption spectrum has peaks in both a wavelength range of 600 nm to 640 nm and a wavelength range of 650 nm to 680 nm, and (2) the ratio between peak values of the absorption spectrum satisfies the following relationship: B/A < 0.75 wherein ‘A’ represents a peak value of the absorption spectrum in the wavelength range of 600 nm to 640 nm, and ‘B’ represents a peak value of the absorption spectrum in the wavelength range of 650 nm to 680 nm.
Claim 2
Dependent Claim
376 words
An ink jet recording ink comprising at least a copper phthalocyanine dye represented by the following general formula (1) and a compound represented by the following general formula (2): wherein M represents an alkali metal or ammonium, R 7 represents OH, COOM, or R 8 COOM in which R 8 represents an alkyl group having 4 to 9 carbon atoms and M represents an alkali metal or ammonium, and x, y, and z each independently represent an integer of 0 to 4, wherein R 1 and R 2 each independently represent a substituted or unsubstituted alkyl group, aryl group, or arylalkyl group, or a hydrogen atom, R 3 and R 5 each independently represent a carboxyl group or a salt thereof, a sulfonic group or a salt thereof, a phosphate group or a salt thereof, or an alkyl group in which any one of these groups is substituted, R 4 and R 6 each independently represent a group except those defined for R 3 and R 5 , p and r each independently represent an integer of 1 to 5, q and s each independently represent an integer of 0 to 4, and p+q≦5 and r+s≦5; wherein the content of the compound represented by the general formula (2) is 0.1 mass % or more and 3.0 mass % or less with respect to the total mass of the ink jet recording ink; wherein the content of the compound represented by the general formula (1) is 0.5 mass % or more and 5.0 mass % or less with respect to the total mass of the ink jet recording ink; and wherein an absorption spectrum of the copper phthalocyanine dye represented by the general formula (1) satisfies the following conditions (1) and (2): (1) the absorption spectrum has peaks in both a wavelength range of 600 nm to 640 nm and a wavelength range of 650 nm to 680 nm, and (2) the ratio between peak values of the absorption spectrum satisfies the following relationship: B/A < 0.75 wherein ‘A’ represents a peak value of the absorption spectrum in the wavelength range of 600 nm to 640 nm, and ‘B’ represents a peak value of the absorption spectrum in the wavelength range of 650 nm to 680 nm.
Claim 3
Dependent Claim
46 words
An ink jet recording ink according to claim 1 , wherein the mass ratio of the content of the compound represented by the general formula (1) to the content of the compound represented by the general formula (2) is 15/1 or more and 50/1 or less.
Claim 4
Dependent Claim
23 words
An ink jet recording ink according to claim 1 , wherein the ink has a pH in a range of 4 to 7.5.
Claim 5
Dependent Claim
55 words
An ink jet recording ink according to claim 1 , further comprising 0.1 mass % to 1.5 mass % of an ethylene oxide adduct of acetylene glycol represented by the following general formula (3) with respect to the total mass of the ink jet recording ink, wherein m and n each independently represent an integer.
Claim 6
Dependent Claim
28 words
An ink jet recording ink according to claim 4 , wherein m and n in the compound represented by the general formula (3) satisfy a relationship of 6<m+n<14.
Claim 7
Dependent Claim
183 words
An ink jet recording ink according to claim 1 , further comprising at least three kinds of solvents including glycerin as a first solvent, a diol represented by the following general formula (4) as a second solvent, and one selected from a urea derivative represented by the following general formula (5), ethylene glycol, and 2-pyrrolidone as a third solvent, wherein the total content of the three kinds of solvents is 18 mass % or more and 27 mass % or less with respect to the total mass of the ink jet recording ink, the total content of the first and second solvents is 12 mass % or more and 20 mass % or less, and the mass ratio of the content of the first solvent to the content of the second solvent is 1.0 or more and 2.0 or less, HO—CH 2 —(CH 2 ) n —CH 2 —OH General Formula (4) wherein n represents an integer of 1 to 6, wherein n represents an integer of 0 to 5, and m and 1 each independently represent an integer of 1 to 6.
Claim 8
Dependent Claim
16 words
An ink jet recording ink according to claim 6 , wherein the second solvent is 1,5-pentanediol.
Claim 9
Dependent Claim
23 words
An ink jet recording ink according to claim 6 , wherein the urea derivative represented by the general formula (5) is ethylene urea.
Claim 10
Dependent Claim
46 words
An ink jet recording ink according to claim 6 , wherein the content of the compound represented by the general formula (2) is 0.2 mass % or more and 3.0 mass % or less with respect to the total mass of the ink jet recording ink.
Claim 11
Dependent Claim
26 words
An ink jet recording ink according to claim 6 , wherein the ink jet recording ink has a pH in a range of 5 to 7.5.
Claim 12
Dependent Claim
31 words
An ink jet recording method comprising applying the ink jet recording ink according to claim 1 to a recording medium by means of an ink jet head to form an image.
Claim 13
Dependent Claim
15 words
An ink cartridge comprising the ink jet recording ink according to claim 1 stored therein.
Claim 14
Dependent Claim
17 words
An ink jet recording apparatus comprising the ink jet recording ink according to claim 1 mounted thereon.
References Cited (Backward Citations)
US4167509A
Cited
US4986850A
Cited
US5101217A
Cited
US4923515A
Cited
US5099255A
Cited
US4973499A
Cited
US5256194A
Cited
US5135571A
Cited
JPH02173168A
Cited
US5125969A
Cited
US5137570A
Cited
US5148186A
Cited
US5080716A
Cited
US5131949A
Cited
US5078790A
Cited
US5132700A
Cited
US5936649A
Cited
US5258066A
Cited
US5296022A
Cited
US5213613A
Cited
US5395434A
Cited
US5409529A
Cited
US6003987A
Cited
US5476541A
Cited
US5485188A
Cited
US5933164A
Cited
US5738932A
Cited
US5478383A
Cited
JPH07228810A
Cited
US5482545A
Cited
US5733363A
Cited
US5804320A
Cited
JPH08267903A
Cited
US5835116A
Cited
EP0724968A1
Cited
US5965252A
Cited
US6558740B1
Cited
US5955185A
Cited
US5733637A
Cited
JPH09169111A
Cited
US5989650A
Cited
US5976233A
Cited
US6342095B1
Cited
US6488752B1
Cited
JP2002504613A
Cited
WO1999043754A1
Cited
US6332919B2
Cited
US6280513B1
Cited
US6565950B1
Cited
US6221141B1
Cited
US6375317B1
Cited
US6425662B1
Cited
US6685999B2
Cited
US6572692B1
Cited
US6506239B1
Cited
US6533853B1
Cited
US6521034B1
Cited
US6540329B1
Cited
US6511534B1
Cited
US6723835B1
Cited
US6780901B1
Cited
US6517199B1
Cited
US6536890B1
Cited
US6460989B1
Cited
US6533852B2
Cited
US20030136301A1
Cited
WO2001066651A1
Cited
US6547381B2
Cited
US6474804B2
Cited
US6773101B2
Cited
US6706104B2
Cited
US6830709B2
Cited
US6619791B2
Cited
US6729718B2
Cited
US6659601B2
Cited
US6719420B2
Cited
US6746114B2
Cited
US6821328B2
Cited
US6863391B2
Cited
US6733120B2
Cited
US6966944B2
Cited
US20040244622A1
Cited
US7025817B2
Cited
US20050057607A1
Cited
US20050284332A1
Cited
US20060011097A1
Cited
US20060065157A1
Cited
US20060139429A1
Cited
JP2006071822A
Cited
US20060137569A1
Cited
US20060137570A1
Cited
US20060139428A1
Cited
US20060152570A1
Cited
US20060194056A1
Cited
US20060194897A1
Cited
US20060192827A1
Cited
US20060196389A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2010-07-16 | 2011-01-15 | 2011-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2014-07-16 | 2015-01-15 | 2015-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2018-07-16 | 2019-01-15 | 2019-07-17 | $7700.00 | Window Closed / Lapsed |