EP0592774A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Ink, ink-jet recording method, and ink-jet recording apparatus
Assignee: Canon Inc
•
Filing: 1993-07-08
•
Granted: —
•
Expires: 2013-07-08
Abstract
Abstract Provided is an ink for ink-jet recording, comprising a dye, water, and the components (a), (b), and (c) below: (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1 alkylphenol-ethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and ℓ are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Inventors
- 👤 Shinichi Tochihara
- 👤 Hitoshi Sugimoto
- 👤 Shinichi Sato
- 👤 Fumihiro Gotoh
- 👤 Masaya Uetuki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 15:21
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08735; G11B23/08742; Y; Y10; Y10S; Y10S260/00; Y10S260/38
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
122 words
An ink for ink-jet recording, comprising a dye, water, and the components (a), (b), and (c) below: (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1], alkylphenolethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and I are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Claim 2
Dependent Claim
122 words
An ink for ink-jet recording, comprising a dye, water, and the components (a), (b), and (c) below: (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1], alkylphenolethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and I are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Claim 3
Dependent Claim
25 words
An ink for ink-jet recording according to Claim 1, wherein the ink contains thiodiglycol at a content of from 1 to 30 % by weight.
Claim 4
Dependent Claim
29 words
An ink for ink-jet recording according to Claim 1, wherein the ink contains urea or the derivative thereof at a content of from 1 to 30 % by weight.
Claim 5
Dependent Claim
30 words
An ink for ink-jet recording according to Claim 1, wherein the value of n or n + m in General Formulas [1 ] to [4] is from 4 to 20.
Claim 6
Dependent Claim
134 words
An ink-jet recording method of conducting recording on a recording medium with ink droplets of ink, said ink comprising a dye, water, and the components (a), (b), and (c): (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1], alkylphenol-ethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and I are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Claim 7
Dependent Claim
134 words
An ink-jet recording method of conducting recording on a recording medium with ink droplets of ink, said ink comprising a dye, water, and the components (a), (b), and (c): (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1], alkylphenol-ethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and I are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Claim 8
Dependent Claim
22 words
An ink-jet recording method according to Claim 5, wherein ink droplets are ejected by action of thermal energy applied to the ink.
Claim 9
Dependent Claim
145 words
A color ink-jet recording method of conducting recording by ejecting droplets of ink of two or more colors onto adjacent or superposed positions on a recording medium, said ink comprises a dye, water and the components (a), (b), and (c): (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1], alkylphenol-ethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and I are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Claim 10
Dependent Claim
145 words
A color ink-jet recording method of conducting recording by ejecting droplets of ink of two or more colors onto adjacent or superposed positions on a recording medium, said ink comprises a dye, water and the components (a), (b), and (c): (a) at least one surfactant selected from the group consisting of higher alcohol-ethylene oxide adducts represented by General Formula [1], alkylphenol-ethylene oxide adducts represented by General Formula [2], ethylene oxide-propylene oxide copolymers represented by General Formula [3], and acetylene glycol-ethylene oxide adducts represented by General Formula [4], at a content of from 0.1 to 20 % by weight; where R is alkyl, and n is an integer; where R is alkyl, and n is an integer; where R is alkyl, and n and I are respectively an integer; where m and n are respectively an integer; (b) thiodiglycol; and (c) urea or an derivative thereof.
Claim 11
Dependent Claim
23 words
A color ink-jet recording method according to Claim 7, wherein ink droplets are ejected by action of thermal energy applied to the ink.
Claim 12
Dependent Claim
73 words
An ink containing at least a dye, a water-soluble organic solvent, and water: said ink comprises further a compound of the formula where Ri, R 2 , R 3 , and R 4 are respectively hydrogen, an alkyl or alkenyl group of 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group; and m + n is ranging from 0 to 50; and I is a number of 2 or more.
Claim 13
Dependent Claim
73 words
An ink containing at least a dye, a water-soluble organic solvent, and water: said ink comprises further a compound of the formula where Ri, R 2 , R 3 , and R 4 are respectively hydrogen, an alkyl or alkenyl group of 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group; and m + n is ranging from 0 to 50; and I is a number of 2 or more.
Claim 14
Dependent Claim
29 words
An ink according to Claim 9, wherein the ink contains the compound represented by General Formula [5] at a content of from 0.001 % to 20 % by weight.
Claim 15
Dependent Claim
25 words
An ink according to Claim 9, wherein the water-soluble organic solvent is selected from the group consisting of polyhydric alcohols, monohydric alcohols, and derivatives thereof.
Claim 16
Dependent Claim
82 words
An ink-jet recording method of conducting recording with droplets of ink on a recording medium, said ink comprises a dye, a water-soluble organic solvent, water, and a compound of the formula where Ri, R 2 , R 3 , and R 4 are respectively hydrogen, an alkyl or alkenyl group of 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group; and m + n is ranging from 0 to 50; and I is a number of 2 or more.
Claim 17
Dependent Claim
82 words
An ink-jet recording method of conducting recording with droplets of ink on a recording medium, said ink comprises a dye, a water-soluble organic solvent, water, and a compound of the formula where Ri, R 2 , R 3 , and R 4 are respectively hydrogen, an alkyl or alkenyl group of 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group; and m + n is ranging from 0 to 50; and I is a number of 2 or more.
Claim 18
Dependent Claim
22 words
An ink-jet recording method according to Claim 12, wherein ink droplets are ejected by action of thermal energy applied to the ink.
Claim 19
Dependent Claim
94 words
A color ink-jet recording method of conducting recording by ejecting droplets of ink of two or more colors onto adjacent or superposed positions on a recording medium, said ink comprises a dye, a water-soluble organic solvent, water, and the compound of the formula where Ri, R 2 , R 3 , and R 4 are respectively hydrogen, an alkyl or alkenyl group of 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group; and m + n is ranging from 0 to 50; and I is a number of 2 or more.
Claim 20
Dependent Claim
94 words
A color ink-jet recording method of conducting recording by ejecting droplets of ink of two or more colors onto adjacent or superposed positions on a recording medium, said ink comprises a dye, a water-soluble organic solvent, water, and the compound of the formula where Ri, R 2 , R 3 , and R 4 are respectively hydrogen, an alkyl or alkenyl group of 1 to 4 carbon atoms, or a substituted or unsubstituted phenyl group; and m + n is ranging from 0 to 50; and I is a number of 2 or more.
Claim 21
Dependent Claim
23 words
A color ink-jet recording method according to Claim 14, wherein ink droplets are ejected by action of thermal energy applied to the ink.
Claim 22
Dependent Claim
25 words
An ink-jet recording method according to any of Claims 5, 7, 12, and 14, wherein the recording medium has fiber exposed on the surface thereof.
Claim 23
Dependent Claim
32 words
A recording unit having an ink container portion for holding ink, and a head portion for ejecting the ink as ink droplets, said ink is as defined in Claim 1 or 9.
Claim 24
Dependent Claim
27 words
A recording unit according to Claim 17, wherein the head portion comprises a head which ejects ink droplets by action of thermal energy applied to the ink.
Claim 25
Dependent Claim
22 words
An ink cartridge comprising an ink container portion for holding ink, said ink is as defined in Claim 1 or Claim 9.
Claim 26
Dependent Claim
17 words
An ink cartridge according to Claim 19, wherein the ink container portion is in a bag-shape structure.
Claim 27
Dependent Claim
19 words
An ink cartridge according to Claim 19, wherein the ink container portion has a liquid-contacting face formed of polyolefin.
Claim 28
Dependent Claim
23 words
An ink-jet recording apparatus comprising the recording unit of Claim 16, wherein the ink defined in Claim 1 or Claim 9 is employed.
Claim 29
Dependent Claim
15 words
An ink-jet recording apparatus according to Claim 22, wherein the recording unit comprises a carriage.
Claim 30
Dependent Claim
15 words
An ink-jet recording apparatus, comprising an ink cartridge of Claim 19 and a recording head.
Claim 31
Dependent Claim
26 words
An ink-jet recording apparatus of Claim 24, the apparatus further comprises an ink supplying system for supplying ink from the ink cartridge to the recording head.
Claim 32
Dependent Claim
105 words
A color ink-jet recording method in which droplets of two or more color inks are ejected in accordance of pulse signals onto adjacent or superposed positions on a recording medium, said ink comprises a nonionic surfactant in an amount of from 1.0 to 20.0 % by weight, the ink ejected for one pulse is in an amount of from 10 to 70 pR, and the feathering rate (A) defined by Equation [I] is in the range of from 2.5 to 3.5: where B is a diameter (am) of a dot formed on plain paper, and C is a diameter (µm) of the ejected ink droplet.
Claim 33
Dependent Claim
105 words
A color ink-jet recording method in which droplets of two or more color inks are ejected in accordance of pulse signals onto adjacent or superposed positions on a recording medium, said ink comprises a nonionic surfactant in an amount of from 1.0 to 20.0 % by weight, the ink ejected for one pulse is in an amount of from 10 to 70 pR, and the feathering rate (A) defined by Equation [I] is in the range of from 2.5 to 3.5: where B is a diameter (am) of a dot formed on plain paper, and C is a diameter (µm) of the ejected ink droplet.
Claim 34
Dependent Claim
35 words
A color ink-jet recording method according to Claim 26, wherein the nonionic surfactant contains at least one selected from polyoxyethylene alkyl ether, polyoxyethylene phenyl ether, polyoxyethylene-polyoxypropylene glycol, polyoxyethylene-polyoxypropylene alkyl ether, and acetylene glycol-polyethylene oxide adducts.
Claim 35
Dependent Claim
20 words
A color ink-jet recording method according to Claim 26, wherein the recording medium has fiber exposed on the surface thereof.
Claim 36
Dependent Claim
118 words
An color ink-jet recording apparatus which conducts recording by ejecting droplets of two or more color inks onto adjacent or superposed positions on a recording medium, said apparatus comprises a recording means for conducting recording mode, by use of an ink containing a nonionic surfactant in an amount of from 1.0 to 20.0 % by weight, by ejecting the ink for one pulse in an amount of from 10 to 70 pt to form ink dots at the feathering rate (A) defined by Equation [I] is in the range of from 2.5 to 3.5: where B is a diameter (µm) of a dot formed on plain paper, and C is a diameter (µm) of the ejected ink droplet.
Claim 37
Dependent Claim
118 words
An color ink-jet recording apparatus which conducts recording by ejecting droplets of two or more color inks onto adjacent or superposed positions on a recording medium, said apparatus comprises a recording means for conducting recording mode, by use of an ink containing a nonionic surfactant in an amount of from 1.0 to 20.0 % by weight, by ejecting the ink for one pulse in an amount of from 10 to 70 pt to form ink dots at the feathering rate (A) defined by Equation [I] is in the range of from 2.5 to 3.5: where B is a diameter (µm) of a dot formed on plain paper, and C is a diameter (µm) of the ejected ink droplet.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.