US5863320A
Expired / Lapsed
US
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Ink compositions
Assignee: Xerox Corp
•
Filing: 1998-02-02
•
Granted: 1999-01-26
•
Expires: 2018-02-02
Abstract
Abstract An ink containing a liquid vehicle, colorant, and a perfluorosurfactant.
Inventors
- 👤 Marcel P. Breton
- 👤 Kirit N. Naik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:50
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
66 words
A printing process which comprises incorporating into an acoustic ink jet printer an ink comprised of a vehicle, a colorant, and a perfluorosurfactant, and which ink possesses a viscosity of from about 0.7 to about 5 centipoise at a temperature of from about 25 degree Centigrade to about 50 degree Centigrade, and causing droplets of the ink to be ejected in imagewise pattern onto a substrate.
Claim 2
Dependent Claim
66 words
A printing process which comprises incorporating into an acoustic ink jet printer an ink comprised of a vehicle, a colorant, and a perfluorosurfactant, and which ink possesses a viscosity of from about 0.7 to about 5 centipoise at a temperature of from about 25 degree Centigrade to about 50 degree Centigrade, and causing droplets of the ink to be ejected in imagewise pattern onto a substrate.
Claim 3
Dependent Claim
45 words
A process in accordance with claim 1 wherein said perfluorosurfactant is a perfluorooctanoicacid ammonium salt, a perfluorooctanesulfonic acid alkali metal salt, a perfluoroheptoxypoly(propyloxy)acrylate, an ethylperfluorooctanesulfamido ethyl acrylate, 2-(N-butylperfluorooctane sulfamido) ethyl acrylate, a monofluorooctyl maleate, perfluorooctanoic acid alkali salt, a perfluoropentanoic alkali salt, or mixtures thereof.
Claim 4
Dependent Claim
15 words
A process in accordance with claim 2 wherein the alkali metal is sodium, or potassium.
Claim 5
Dependent Claim
13 words
A process in accordance with claim 2 wherein the colorant is a pigment.
Claim 6
Dependent Claim
13 words
A process in accordance with claim 2 wherein the colorant is a dye.
Claim 7
Dependent Claim
13 words
A process in accordance with claim 3 wherein the colorant is a pigment.
Claim 8
Dependent Claim
39 words
A process in accordance with claim 2 wherein said perfluorosurfactant is present in an amount of from about 0.01 to about 10 weight percent, and wherein the total amount of all ink components is equal to about 100 percent.
Claim 9
Dependent Claim
30 words
A process in accordance with claim 2 wherein said perfluorosurfactant is present in an amount of from about 0.01 to about 10 weight percent, and the colorant is a pigment.
Claim 10
Dependent Claim
30 words
A process in accordance with claim 2 wherein said perfluorosurfactant is present in an amount of from about 1 to about 5 weight percent, and the colorant is a pigment.
Claim 11
Dependent Claim
15 words
A process in accordance with claim 2 wherein said colorant is the pigment carbon black.
Claim 12
Dependent Claim
45 words
A process in accordance with claim 10 wherein said pigment possesses a particle size distribution wherein at least about 90 percent of said pigment particles have a diameter of about 0.1 μm with the remaining pigment particles being of a diameter of about 1.0 μm.
Claim 13
Dependent Claim
12 words
A process in accordance with claim 2 wherein the vehicle is water.
Claim 14
Dependent Claim
18 words
A process in accordance with claim 2 wherein the vehicle is a glycol, or a mixture of glycols.
Claim 15
Dependent Claim
11 words
A process in accordance with claim 2 further containing ink additives.
Claim 16
Dependent Claim
62 words
A process in accordance with claim 14 wherein said additives are surfactants of poly(ethylene glycol) monolaurate, poly(ethylene glycol) monoricinoleate, poly(ethylene glycol) lanolin alcohol ether, poly(ethylene glycol) monooleate, poly(ethylene glycol) castor oil, poly(ethylene glycol) tetramethyl decynediol, or poly(ethylene glycol) lanolin, and which surfactants are present in an amount of from about 0.01 to about 7 weight percent based on the total ink components.
Claim 17
Dependent Claim
40 words
A process in accordance with claim 14 wherein said additives are penetrants of N-methylpyrrolidinone, sulfoxides, ketones, lactones, esters, alcohols, butyl carbitol, benzyl alcohol, cyclohexylpyrrolidinone, and 1,2-hexanediol, present in an amount of from about 0.01 percent to 20 percent by weight.
Claim 18
Dependent Claim
42 words
A process in accordance with claim 2 wherein the mixtures are comprised of from about two to four additives each present in amount ranging from about 1 percent to about 99 weight percent, and wherein the total thereof is about 100 percent.
Claim 19
Dependent Claim
34 words
A process in accordance with claim 2 wherein the vehicle is a glycol, the colorant is a pigment, and which pigment is present in an amount of about 3 to about 15 weight percent.
Claim 20
Dependent Claim
43 words
A process in accordance with claim 2 wherein the perfluorosurfactant is a perfluorooctanoicacid ammonium salt, a perfluorooctanesulfonic acid alkali metal salt, a perfluoroheptoxy poly(propyloxy)acrylate, an ethylperfluorooctanesulfamido ethyl acrylate, 2-(N-butylperfluorooctanesulfamido) ethyl acrylate, a monofluorooctyl maleate, perfluorooctanoic acid alkali salt, or a perfluoropentanoic alkali salt.
Claim 21
Dependent Claim
134 words
A process which comprises (a) providing a acoustic ink printer having a pool of an ink comprised of a vehicle, a colorant, and a perfluorosurfactant, with a free surface, and a printhead including at least one droplet ejector for radiating the free surface of said ink with focused acoustic radiation to eject individual droplets of ink therefrom on demand, said radiation being brought to focus with a finite waist diameter in a focal plane, and which ink possesses a viscosity of from about 0.7 to about 5 centipoise at a temperature of from about 25 degree Centigrade to about 50 degree Centigrade, and (b) causing droplets of said ink to be ejected onto a recording sheet in an imagewise pattern at a temperature of from about 20 degree Centigrade to about 50 degree Centigrade.
Claim 22
Dependent Claim
134 words
A process which comprises (a) providing a acoustic ink printer having a pool of an ink comprised of a vehicle, a colorant, and a perfluorosurfactant, with a free surface, and a printhead including at least one droplet ejector for radiating the free surface of said ink with focused acoustic radiation to eject individual droplets of ink therefrom on demand, said radiation being brought to focus with a finite waist diameter in a focal plane, and which ink possesses a viscosity of from about 0.7 to about 5 centipoise at a temperature of from about 25 degree Centigrade to about 50 degree Centigrade, and (b) causing droplets of said ink to be ejected onto a recording sheet in an imagewise pattern at a temperature of from about 20 degree Centigrade to about 50 degree Centigrade.
Claim 23
Dependent Claim
15 words
A process in accordance with claim 20 wherein the ink further includes a sulfonated polyester.
Claim 24
Dependent Claim
21 words
A process in accordance with claim 20 wherein said perfluorosurfactant is perfluorooctanoic acid ammonium salt, perfluoroheptoxy poly(propyloxy)acrylate, or N-ethylperfluorooctanesulfamido ethyl acrylate.
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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) | 2002-01-25 | 2002-07-27 | 2003-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-01-25 | 2006-07-27 | 2007-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-01-25 | 2010-07-27 | 2011-01-26 | $7700.00 | Window Closed / Lapsed |