US5997623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet inks comprising anti-curl agents and printing processes
Assignee: Xerox Corp
•
Filing: 1997-06-16
•
Granted: 1999-12-07
•
Expires: 2017-06-16
Abstract
Abstract An aqueous ink jet ink comprises water, a colorant selected from a dye or a pigment, and a diol derivative according to the following formula (Formula I): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ) k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; X, Y, W, and Z are independently selected from the group consisting of H, CH 3 and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20. In addition, a multi-color ink jet printing process comprises (1) printing at least one of aqueous ink jet inks comprising the above diol derivative onto a print substrate at any desired sequence by a printhead in a single or multiple pass method according to digital data signals and (2) optionally applying heat to the print substrate and the imaged inks at any stage of said ink jet printing process including before, during, and after printing as well as combinations thereof.
Inventors
- 👤 John Wei-Ping Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:00
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
97 words
An aqueous ink jet ink comprises water, a colorant of dye or pigment, and a diol derivative represented by the following formula (Formula (I)): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ).sub.k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; and X, Y, W, and Z are independently selected from the group consisting of H, CH 3 , and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20.
Claim 2
Dependent Claim
97 words
An aqueous ink jet ink comprises water, a colorant of dye or pigment, and a diol derivative represented by the following formula (Formula (I)): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ).sub.k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; and X, Y, W, and Z are independently selected from the group consisting of H, CH 3 , and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20.
Claim 3
Dependent Claim
51 words
The aqueous ink jet ink according to claim 1, wherein said diol derivative is selected from the group consisting of 2-hydroxyethyl,3'-hydroxypropyl sulfone; 2,2'-sulfonyldiethanol(bis(2-hydroxyethyl)sulfone); 3,3'-sulfonyldipropanol(bis(3-hydroxypropyl)sulfone); 3-hydroxypropyl,4'-hydroxybutyl sulfone; 4,4'-sulfonyldibutanol(bis(4-hydroxybutyl)sulfone); 2-hydroxyethyl,3'-hydroxypropyl sulfoxide; 2,2'-sulfoxydiethanol(bis(2-hydroxyethyl)sulfoxide); 3,3'-sulfoxydipropanol(bis(3-hydroxypropyl)sulfoxide); 3-hydroxypropyl,4'-hydroxybutyl sulfoxide; 4,4'-sulfoxydibutanol(bis(4-hydroxybutyl)sulfoxide; 2-hydroxyethyl,3'-hydroxypropyl ketone; 2,2'-carbonyldiethanol(bis(2-hydroxyethyl)ketone); 3,3'-carbonyldipropanol (bis(3-hydroxypropyl)ketone); 3-hydroxypropyl, 4'-hydroxybutylketone; 4,4'-carbonyldibutanol(bis(4-hydroxybutyl)ketone), their reaction products with alkyleneoxide derivatives and mixtures thereof.
Claim 4
Dependent Claim
51 words
An aqueous ink jet ink comprises a hydroxysulfone derivative comprising at least two hydroxyl groups and one sulfone group and may be selected from the group consisting of 4,4'-sulfonyl-bis(2,6-dimethylphenol), cis and trans 3,4-dihydroxysulfolanes, cis and trans 3,5-dihydroxy-pentamethylenesulfurdioxides, their isomers, reaction products of the aforementioned diol derivatives with alkyleneoxides and mixtures thereof.
Claim 5
Dependent Claim
51 words
An aqueous ink jet ink comprises a hydroxysulfone derivative comprising at least two hydroxyl groups and one sulfone group and may be selected from the group consisting of 4,4'-sulfonyl-bis(2,6-dimethylphenol), cis and trans 3,4-dihydroxysulfolanes, cis and trans 3,5-dihydroxy-pentamethylenesulfurdioxides, their isomers, reaction products of the aforementioned diol derivatives with alkyleneoxides and mixtures thereof.
Claim 6
Dependent Claim
25 words
The aqueous ink jet ink according to claim 1, wherein said diol derivative is in an amount from about 0.1% to about 40.0% by weight.
Claim 7
Dependent Claim
47 words
The aqueous ink jet ink according to claim 1, further comprises at least an additive selected from the group consisting of known humectants, co-solvents, surfactants, penetrants, jetting aids, biocides, anti-curl agents, anti-cockle agents, pigment dispersing agents, mono-valent or multi-valent metal salts, pH buffering agents, and chelating agents.
Claim 8
Dependent Claim
86 words
The aqueous ink jet ink according to claim 5, wherein said humectant is selected from the group consisting of glycol derivatives; triols containing 3 to 20 carbon atoms, and their reaction products with alkyleneoxides; diol derivatives containing 2 to 35 carbon atoms; sulfoxide derivatives containing 2 to 25 carbon atoms; sulfone derivatives containing 2 to 25 carbon atoms; amides with 2 to 25 carbon atoms; ethers; urea and urea derivatives; betaine; thio derivatives of aforementioned humectant; reaction products of aforementioned humectant with alkyleneoxides; and mixtures thereof.
Claim 9
Dependent Claim
41 words
The aqueous ink jet ink according to claim 1, wherein said colorant is a chemically modified pigment comprising hydrophilic groups or a pigment comprising at least a dispersing agent selected from the group consisting of nonionic, cationic, and anionic dispersing agents.
Claim 10
Dependent Claim
67 words
The aqueous ink jet ink according to claim 7, wherein said dispersing agent comprises a hydrophobic functional group and a hydrophilic anionic group and is selected from the group consisting of reaction products of a naphthalenesulfonate salt and an aldehyde; polymers or copolymers of styrenesulfonate salts; copolymers of styrene and acrylic acid salts or methacrylic acid salts; copolymers of styrene and maleic acid salts; and mixtures thereof.
Claim 11
Dependent Claim
27 words
The aqueous ink jet ink according to claim 1, wherein said colorant of dye or pigment has a polyaromatic hydrocarbon content less than 5 parts per million.
Claim 12
Dependent Claim
33 words
The aqueous ink jet ink according to claim 5, wherein said jetting aids comprise polyethyleneoxide or a small amount of pigment particles of any color with a concentration less than 0.1% by weight.
Claim 13
Dependent Claim
58 words
The aqueous ink jet ink according to claim 5, wherein said mono-valent and multi-valent metal salts are selected from the group consisting of salts comprising cations selected from lithium, sodium, potassium, ammonium, calcium, magnesium, cobalt, zinc, barium, nickel, copper, aluminum, iron, lanthanide and actinide metal ions, and anions selected from either an organic acid or an inorganic acid.
Claim 14
Dependent Claim
20 words
The aqueous ink jet ink according to claim 5, wherein said surfactants are selected from anionic, cationic, and nonionic materials.
Claim 15
Dependent Claim
155 words
A high resolution ink jet printing process comprises: applying at least an aqueous ink jet ink in an imagewise fashion onto a print substrate by a single or multiple pass method; and optionally applying heat to said print substrate and imaged inks at any stage of said ink jet printing process including before, during, after, and combinations thereof; wherein said aqueous ink jet ink comprises water, a colorant of dye or pigment, and a diol derivative represented by the following formula (Formula (I)): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ).sub.k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; X, Y, W, and Z are independently selected from the group consisting of H, CH 3 , and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20.
Claim 16
Dependent Claim
155 words
A high resolution ink jet printing process comprises: applying at least an aqueous ink jet ink in an imagewise fashion onto a print substrate by a single or multiple pass method; and optionally applying heat to said print substrate and imaged inks at any stage of said ink jet printing process including before, during, after, and combinations thereof; wherein said aqueous ink jet ink comprises water, a colorant of dye or pigment, and a diol derivative represented by the following formula (Formula (I)): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ).sub.k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; X, Y, W, and Z are independently selected from the group consisting of H, CH 3 , and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20.
Claim 17
Dependent Claim
32 words
The ink jet printing process according to claim 13, wherein said print substrate is selected from the group consisting of plain papers, coated papers, photo-realistic ink jet papers, and ink jet transparencies.
Claim 18
Dependent Claim
54 words
The ink jet printing process according to claim 13, wherein said print substrate is heated by a heating means selected from the group consisting of a radiant heater, a heating tape, a heating plate, a heating drum or roller, a microwave dryer or heating device, a heating lamp, a heating element, and combinations thereof.
Claim 19
Dependent Claim
177 words
A multi-color ink jet printing process comprises: applying a set of at least four different ink jet inks in an imagewise manner at any desired ink printing sequence onto a print substrate using a single or multiple pass method according to digital data signals by their corresponding printheads; and optionally applying heat to the print substrate and imaged inks at any stage of said ink jet printing process including before, during, after, and combinations thereof; wherein at least one of said four different ink jet inks comprises water, a colorant of dye or pigment, and a diol derivative according to the following formula (Formula (I)): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ).sub.k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; X, Y, W, and Z are independently selected from the group consisting of H, CH 3 , and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20.
Claim 20
Dependent Claim
177 words
A multi-color ink jet printing process comprises: applying a set of at least four different ink jet inks in an imagewise manner at any desired ink printing sequence onto a print substrate using a single or multiple pass method according to digital data signals by their corresponding printheads; and optionally applying heat to the print substrate and imaged inks at any stage of said ink jet printing process including before, during, after, and combinations thereof; wherein at least one of said four different ink jet inks comprises water, a colorant of dye or pigment, and a diol derivative according to the following formula (Formula (I)): HO--(CHX--CHYO).sub.j --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b --(OCHW--CHZ).sub.k --OH (I) wherein G is independently selected from the group consisting of SO 2 , SO, and CO; X, Y, W, and Z are independently selected from the group consisting of H, CH 3 , and C n H 2n+1 where n equals 2 to about 20; j and k independently equal from 0 to about 100; and a and b independently equal from 1 to about 20.
Claim 21
Dependent Claim
63 words
The multi-color ink jet printing process according to claim 16, wherein said diol derivative is a hydroxysulfone derivative comprising at least two hydroxyl group and one sulfone group and may be selected from the group consisting of 4,4'-sulfonyldiphenol, 4,4'-sulfonyl-bis(2,6-dimethylphenol), cis and trans 3,4-dihydroxysulfolanes, cis and trans 3,5-dihydroxy-pentamethylenesulfurdioxides, their isomers, reaction products of said derivative with alkyleneoxides including ethyleneoxide and propyleneoxide, and mixtures thereof.
Claim 22
Dependent Claim
31 words
The multi-color ink jet printing process according to claim 16, wherein at least one of said corresponding printheads has a high resolution printing capability of at least ≧400 spots per inch.
Claim 23
Dependent Claim
50 words
The multi-color ink jet printing process according to claim 16, wherein said set of at least four different ink jet inks comprise a black ink with a surface tension ≧45 dynes/cm at room temperature; and three different colored inks with a surface tension less than 45 dynes/cm at room temperature.
Claim 24
Dependent Claim
36 words
The multi-color ink jet printing process according to the claim 16, wherein each of said corresponding printheads is independently selected from the group consisting of a single printhead, a partial-width printhead, and a full-width array printhead.
Claim 25
Dependent Claim
41 words
The multi-color ink jet printing process according to the claim 16, wherein the ink jet printing process is capable of producing multi-color images on a print substrate at a printing speed of greater than or equal to 5 pages per minute.
Claim 26
Dependent Claim
44 words
The multi-color ink jet printing process according to the claim 16, wherein said ink jet printing process is selected from a continuous ink jet printing and a drop-on-demand ink jet printing including thermal ink jet, acoustic ink jet, and piezoelectric ink jet printing systems.
Claim 27
Dependent Claim
35 words
The multi-color ink jet printing process according to the claim 16, wherein said print substrate is selected from the group consisting of plain papers, coated papers, photo-realistic ink jet papers, textiles, and ink jet transparencies.
Claim 28
Dependent Claim
42 words
The multi-color ink jet printing process according to the claim 16, wherein said at least one of said four different ink jet inks has a frequency response of ≧8.0 KHz when it is used in a high resolution printhead of 600 spi.
Claim 29
Dependent Claim
50 words
An aqueous ink jet ink comprises water, a colorant of dye or pigment, and a hydroxyl humectant selected from the group consisting of a hydroxylsulfoxide derivative comprising at least two hydroxyl groups and one sulfoxide group and a hydroxyketone derivative comprising at least two hydroxyl groups and one carbonyl group.
Claim 30
Dependent Claim
50 words
An aqueous ink jet ink comprises water, a colorant of dye or pigment, and a hydroxyl humectant selected from the group consisting of a hydroxylsulfoxide derivative comprising at least two hydroxyl groups and one sulfoxide group and a hydroxyketone derivative comprising at least two hydroxyl groups and one carbonyl group.
References Cited (Backward Citations)
US4327174A
Cited
US4251824A
Cited
US4410899A
Cited
US4412224A
Cited
US4627875A
Cited
US4532530A
Cited
US4601777A
Cited
US4840674A
Cited
US5085698A
Cited
US5281261A
Cited
US5223026A
Cited
US5207825A
Cited
US5205861A
Cited
US5169437A
Cited
US5180425A
Cited
US5220346A
Cited
US5207824A
Cited
US5356464A
Cited
US5371531A
Cited
US5389133A
Cited
US5540764A
Cited
US5549740A
Cited
US5709737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-12-06 | 2003-06-07 | 2003-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-12-06 | 2007-06-07 | 2007-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-12-06 | 2011-06-07 | 2011-12-07 | $7700.00 | Window Closed / Lapsed |