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US5795375A Expired / Lapsed US ⏱️ 0.0 years remaining

Water color ink for recording and ink-jet recording process

Assignee: Brother Industries Ltd
•
Filing: 1996-11-04
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Granted: 1998-08-18
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Expires: 2016-11-04
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Abstract

Abstract A water color ink for recording, including a yellow ink, a magenta ink and a cyan ink, wherein the yellow ink contains color index number Acid Yellow 23 at 0.7 to 3 wt %, the magenta ink contains a dye mixture of color index number Acid Red 52 and color index number Acid Red 289 at 0.7 to 3 wt %, and the cyan ink contains color index number Acid Blue 9 at 0.7 to 3 wt %, and an ink-jet recording process using the same.

Inventors

  • 👤 Hideto Yamazaki
  • 👤 Masaya Fujioka
  • 👤 Takeo Kitahara
  • 👤 Masahito Kato
  • 👤 Shunichi Higashiyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:03
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/40

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 82 words
A plurality of water color inks for recording, comprising: a yellow ink comprising a yellow ink solvent and 0.7 to 3 wt % color index number Acid Yellow 23; a magenta ink comprising a magenta ink solvent and 0.7 to 3 wt % of a dye mixture of color index number Acid Red 52 and color index number Acid Red 289; and a cyan ink comprising a cyan ink solvent and 0.7 to 3 wt % color index number Acid Blue 9.
Claim 2
Dependent Claim 82 words
A plurality of water color inks for recording, comprising: a yellow ink comprising a yellow ink solvent and 0.7 to 3 wt % color index number Acid Yellow 23; a magenta ink comprising a magenta ink solvent and 0.7 to 3 wt % of a dye mixture of color index number Acid Red 52 and color index number Acid Red 289; and a cyan ink comprising a cyan ink solvent and 0.7 to 3 wt % color index number Acid Blue 9.
Claim 3
Dependent Claim 15 words
The plurality of inks according to claim 1, which is packaged in an ink-jet cartridge.
Claim 4
Dependent Claim 39 words
The plurality of inks according to claim 1, wherein a mixing ratio of said color index number Acid Red 52 to said color index number Acid Red 289 in said magenta ink dye mixture is from 5:5 to 7:3.
Claim 5
Dependent Claim 14 words
The plurality of inks according to claim 3, wherein the mixing ratio is 6:4.
Claim 6
Dependent Claim 18 words
The plurality of inks according to claim 1, wherein the yellow, magenta and cyan ink solvents are water.
Claim 7
Dependent Claim 29 words
The plurality of inks according to claim 1, wherein said yellow, magenta and cyan ink solvents are solvent mixtures comprising water and at least one water soluble organic solvent.
Claim 8
Dependent Claim 21 words
The plurality of inks according to claim 6, wherein said at least one water soluble organic solvent is an alkylene glycol.
Claim 9
Dependent Claim 26 words
The plurality of inks according to claim 7, wherein said at least one water soluble organic solvent is at least one of glycerin and diethylene glycol.
Claim 10
Dependent Claim 26 words
The plurality of inks according to claim 6, wherein said at least one water soluble organic solvent is a lower alkyl ether of a polyhydric alcohol.
Claim 11
Dependent Claim 21 words
The plurality of inks according to claim 9, wherein said at least one water soluble organic solvent is triethylene glycol monoethylether.
Claim 12
Dependent Claim 45 words
The plurality of inks according to claim 6, wherein said at least one water soluble organic solvent is at least one member selected from the group consisting of lower alcohols, amides, ketones, ketoalcohols, ethers, polyalkylene glycols, alkylene glycols and lower alkyl ethers of polyhydric alcohols.
Claim 13
Dependent Claim 101 words
The plurality of inks according to claim 6, wherein said at least one water soluble organic solvent is at least one member selected from the group consisting of methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, sec-butyl alcohol, tert-butyl alcohol, dimethyl formamide, dimethyl acetoamide, acetone, diacetone alcohol, tetrahydrofuran, dioxane, polyethylene glycol, polypropylene glycol, ethylene glycol, propylene glycol, butylene glycol, diethylene glycol, triethylene glycol, dipropylene glycol, tripropylene glycol, thiodiglycol, hexylene glycol, ethylene glycol monomethylether, ethylene glycol monoethylether, diethylene glycol monomethylether, diethylene glycol monoethylether, diethylene glycol monobutylether, triethylene glycol monomethylether, triethylene glycol monoethylether, triethylene glycol monobutylether, glycerin, 2-pyrrolidone, N-methyl-2-pyrrolidone and 1,3-dimethyl-2-imidazolidinone.
Claim 14
Dependent Claim 38 words
The plurality of inks according to claim 1, wherein said yellow, magenta and cyan ink solvents each comprises 0 to 95 wt % of at least one water soluble organic solvent and 10 to 95 wt % water.
Claim 15
Dependent Claim 38 words
The plurality of inks according to claim 1, wherein said yellow, magenta and cyan ink solvents each comprises 10 to 80 wt % of at least one water soluble organic solvent and 10 to 70 wt % water.
Claim 16
Dependent Claim 38 words
The plurality of inks according to claim 1, wherein said yellow, magenta and cyan ink solvents each comprises 10 to 50 wt % of at least one water soluble organic solvent and 20 to 70 wt % water.
Claim 17
Dependent Claim 47 words
An ink-jet recording process comprising ejecting yellow, magenta and cyan ink droplets from at least one nozzle onto a substrate to record a colored pattern of said ink droplets on said substrate, wherein said ink droplets are formed from the plurality of inks according to claim 1.
Claim 18
Dependent Claim 39 words
The ink-jet recording process according to claim 16, wherein a mixing ratio of said color index number Acid Red 52 to said color index number Acid Red 289 in said magenta ink dye mixture is from 5:5 to 7:3.
Claim 19
Dependent Claim 14 words
The ink-jet recording process according to claim 17, wherein the mixing ratio is 6:4.
Claim 20
Dependent Claim 29 words
The ink-jet recording process according to claim 16, wherein said yellow, magenta and cyan ink solvents are solvent mixtures comprising water and at least one water soluble organic solvent.
Claim 21
Dependent Claim 38 words
The ink-jet recording process according to claim 19, wherein said yellow, magenta and cyan ink solvents each comprises 10 to 80 wt % of at least one water soluble organic solvent and 10 to 70 wt % water.
Claim 22
Dependent Claim 45 words
An ink-jet recording process comprising ejecting ink droplets from at least one nozzle onto a substrate to record a colored pattern of said ink droplets on said substrate, wherein said ink droplets are formed from two of the plurality of inks according to claim 1.

References Cited (Backward Citations)

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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) 2001-08-17 2002-02-16 2002-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-08-17 2006-02-16 2006-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-08-17 2010-02-16 2010-08-18 $7700.00 Window Closed / Lapsed

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