US5019166A
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Thermal ink jet compositions
Assignee: Xerox Corp
•
Filing: 1989-06-22
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Granted: 1991-05-28
•
Expires: 2009-06-22
Abstract
Abstract A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant selected from the group consisting of polyoxyalkylated ethers, anionic bitail fluorothio alkyls, alkyl aryl sulfonates, alkyl amine quaternary salts, and mixtures thereof. Also disclosed is a process for generating images which comprises causing the ink compositions disclosed herein to be ejected from a thermal ink jet printer in imagewise fashion onto a substrate.
Inventors
- 👤 William M. Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:48
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38
Claims Analysis
Total Claims: 60
Claim 1
Independent Claim
85 words
A thermal ink jet printing composition comprising a dye, a liquid medium containing water, and a surfactant selected from the group consisting of polyoxyethylated ethers of the formula R--O--(CH 2 CH 2 O) n --CH 2 CH 2 OH wherein R is an aliphatic hydrocarbon chain of from about 8 to about 40 carbon atoms and n is a number of from 1 to about 100, anionic bitail fluoro thio alkyls of the formula ##STR11## alkyl aryl sulfonates, alkyl amine quaternary salts, and mixtures thereof.
Claim 2
Dependent Claim
85 words
A thermal ink jet printing composition comprising a dye, a liquid medium containing water, and a surfactant selected from the group consisting of polyoxyethylated ethers of the formula R--O--(CH 2 CH 2 O) n --CH 2 CH 2 OH wherein R is an aliphatic hydrocarbon chain of from about 8 to about 40 carbon atoms and n is a number of from 1 to about 100, anionic bitail fluoro thio alkyls of the formula ##STR11## alkyl aryl sulfonates, alkyl amine quaternary salts, and mixtures thereof.
Claim 3
Dependent Claim
17 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant comprises a polyoxyethylated ether.
Claim 4
Dependent Claim
18 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant comprises an alkyl aryl sulfonate.
Claim 5
Dependent Claim
19 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant comprises an alkyl amine quaternary salt.
Claim 6
Dependent Claim
27 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant comprises a mixture of a polyoxyethylated ether and an anionic bitail fluoro thio alkyl.
Claim 7
Dependent Claim
28 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant comprises a mixture of an anionic bitail fluoro thio alkyl and an alkyl aryl sulfonate.
Claim 8
Dependent Claim
33 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant comprises a mixture of an anionic bitail fluoro thio alkyl, an alkyl amine quaternary salt, and an alkyl aryl sulfonate.
Claim 9
Dependent Claim
18 words
A thermal ink jet printing composition according to claim 1 wherein the liquid medium also contains a glycol.
Claim 10
Dependent Claim
25 words
A thermal ink jet printing composition according to claim 1 wherein the dye is selected from the group consisting of direct dyes and acid dyes.
Claim 11
Dependent Claim
112 words
A thermal ink jet printing composition according to claim 1 wherein the dye is present in an amount of from about 0.5 to about 8 percent by weight, the surfactant is present in an amount of from about 0.1 to about 4 percent by weight, water is present in an amount of from about 7 to about 93 percent by weight, ethylene glycol is present in an amount of from about 5 to about 60 percent by weight, N-methyl-2-pyrrolidone is present in an amount of from about 2 to about 20 percent by weight, and a biocide is present in an amount of from about 0.01 to about 1 percent by weight.
Claim 12
Dependent Claim
17 words
A thermal ink jet printing composition according to claim 10 wherein the surfactant is a polyoxyethylated ether.
Claim 13
Dependent Claim
28 words
A thermal ink jet printing composition according to claim 11 wherein the surfactant is of the formula H 35 C 18 O(CH 2 CH 2 O) 20 H.
Claim 14
Dependent Claim
115 words
A thermal ink jet printing composition according to claim 10 wherein the dye is present in an amount of from about 1 to about 6 percent by weight, the ethylene glycol is present in an amount of from about 10 to about 20 percent by weight, the N-methyl-2-pyrrolidone is present in an amount of from about 4 to about 16 percent by weight, the surfactant is present in an amount of from about 0.2 to about 2 percent by weight, the biocide is present in an amount of from about 0.1 to about 0.5 percent by weight, and the water is present in an amount of from about 55.5 to about 85 percent by weight.
Claim 15
Dependent Claim
17 words
A thermal ink jet printing composition according to claim 13 wherein the surfactant is a polyoxyethylated ether.
Claim 16
Dependent Claim
28 words
A thermal ink jet printing composition according to claim 14 wherein the surfactant is of the formula H 35 C 18 O(CH 2 CH 2 O) 20 H.
Claim 17
Dependent Claim
47 words
A thermal ink jet printing composition according to claim 1 wherein the surfactant is selected from the group consisting of ethoxylates of secondary alcohols, polyoxyethylated tridecyl alcohols, polyethoxylated decyl alcohol, polyoxyethylated alkyl thioether, linear aliphatic ethoxylates, polyoxyethylated castor oil, polyoxyethylated coconut fatty acid, and polyoxyethylated oleyl alcohol.
Claim 18
Dependent Claim
28 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is of the formula H 35 C 18 O(CH 2 CH 2 O) 20 H.
Claim 19
Dependent Claim
18 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is of the formula ##STR12##
Claim 20
Dependent Claim
61 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is of the formula ##STR13## wherein R is selected from the group consisting of alkyl groups with from about 3 to about 12 carbon atoms and aryl groups with from about 6 to about 12 carbon atoms, n is 1 or 2, and M is a monovalent metal.
Claim 21
Dependent Claim
18 words
A thermal ink jet ink composition according to claim 19 wherein the surfactant is of the formula ##STR14##
Claim 22
Dependent Claim
18 words
A thermal ink jet ink composition according to claim 23 wherein the surfactant is of the formula ##STR15##
Claim 23
Dependent Claim
24 words
A thermal ink jet ink composition according to claim 19 wherein the surfactant is of the formula ##STR16## where n is 1 or 2.
Claim 24
Dependent Claim
60 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is of the formula ##STR17## wherein R 1 is an alkyl group with from about 8 to about 30 carbon atoms and R 2 and R 3 are selected from the group consisting of alkyl groups with from 1 to about 4 carbon atoms and ethoxy groups.
Claim 25
Dependent Claim
36 words
A thermal ink jet ink composition according to claim 23 wherein the surfactant is of the formula ##STR18## wherein R is an alkyl group with from 12 to 20 carbon atoms and x+y=from 2 to 15.
Claim 26
Dependent Claim
30 words
A thermal ink jet ink composition according to claim 23 wherein the surfactant is of the formula ##STR19## wherein R is an alkyl group with 12 carbon atoms and x+y=2.
Claim 27
Dependent Claim
100 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is of the formula ##STR20## wherein R 2 , R 3 , R 4 , and R 5 are selected from the group consisting of alkyl groups with from 1 to about 4 carbon atoms and ethoxy chains, R 1 is an alkyl group with from about 8 to about 30 carbon atoms, and R 6 is selected from the group consisting of alkyl groups with from 1 to about 4 carbon atoms, ethoxy chains, and alkyl groups with from about 8 to about 30 carbon atoms.
Claim 28
Dependent Claim
18 words
A thermal ink jet ink composition according to claim 26 wherein the surfactant is of the formula ##STR21##
Claim 29
Dependent Claim
30 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is a mixture of a compound of the formula ##STR22## and a compound of the formula ##STR23##
Claim 30
Dependent Claim
36 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is a mixture of a compound of the formula ##STR24## a compound of the formula ##STR25## and a compound of the formula ##STR26##
Claim 31
Dependent Claim
30 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is a mixture of a compound of the formula ##STR27## and a compound of the formula ##STR28##
Claim 32
Dependent Claim
40 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is a mixture of a compound of the formula ##STR29## and a compound of the formula H 35 C 18 O(CH 2 CH 2 O) 20 H.
Claim 33
Dependent Claim
48 words
A thermal ink jet ink composition according to claim 1 wherein the surfactant is a mixture of a compound of the formula ##STR30## a compound of the formula ##STR31## and a compound of the formula ##STR32## wherein R is an alkyl group with 12 carbon atoms and x+y=2.
Claim 34
Dependent Claim
58 words
A thermal ink jet ink composition according to claim 1 wherein the liquid medium comprises about 40 percent by weight of ehtylene glycol and about 60 percent by weight of water, the dye comprises Telon Fast Yellow 4GL-175, and the surfactant is a mixture of a compound of the formula ##STR33## and a compound of the formula ##STR34##
Claim 35
Dependent Claim
29 words
A process for generating images which comprises causing the ink composition of claim 1 to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 36
Dependent Claim
13 words
A process according to claim 34 wherein the surfactant comprises a polyoxyethylated ether.
Claim 37
Dependent Claim
16 words
A process according to claim 34 wherein the surfactant comprises an anionic bitail fluoro thio alkyl.
Claim 38
Dependent Claim
14 words
A process according to claim 34 wherein the surfactant comprises an alkyl aryl sulfonate.
Claim 39
Dependent Claim
15 words
A process according to claim 34 wherein the surfactant comprises an alkyl amine quaternary salt.
Claim 40
Dependent Claim
23 words
A process according to claim 34 wherein the surfactant comprises a mixture of a polyoxyethylated ether and an anionic bitail fluoro thio alkyl.
Claim 41
Dependent Claim
24 words
A process according to claim 34 wherein the surfactant comprises a mixture of an anionic bitail fluoro thio alkyl and an alkyl aryl sulfonate.
Claim 42
Dependent Claim
29 words
A process according to claim 34 wherein the surfactant comprises a mixture of an anionic bitail fluoro thio alkyl, an alkyl amine quaternary salt, and an alkyl aryl sulfonate.
Claim 43
Dependent Claim
64 words
A thermal ink jet printing composition according to claim 1 wherein the dye is present in an amount of from about 0.5 to about 8 percent by weight, the liquid medium is present in an amount of from about 7 to about 93 percent by weight, and the surfactant is present in an amount of from about 0.1 to about 8 percent by weight.
Claim 44
Dependent Claim
60 words
A process according to claim 34 wherein the dye is present in an amount of from about 0.5 to about 8 percent by weight, the liquid medium is present in an amount of from about 7 to about 93 percent by weight, and the surfactant is present in an amount of from about 0.1 to about 8 percent by weight.
Claim 45
Dependent Claim
30 words
A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of a polyoxyethylated ether and an anionic bitail fluoro thio alkyl.
Claim 46
Dependent Claim
30 words
A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of a polyoxyethylated ether and an anionic bitail fluoro thio alkyl.
Claim 47
Dependent Claim
31 words
A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl and an alkyl aryl sulfonate.
Claim 48
Dependent Claim
31 words
A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl and an alkyl aryl sulfonate.
Claim 49
Dependent Claim
36 words
A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl, an alkyl amine quaternary salt, and an alkyl aryl sulfonate.
Claim 50
Dependent Claim
36 words
A thermal ink jet printing composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl, an alkyl amine quaternary salt, and an alkyl aryl sulfonate.
Claim 51
Dependent Claim
50 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of a polyoxyethylated ether and an anionic bitail fluoro thio alkyl to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 52
Dependent Claim
50 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of a polyoxyethylated ether and an anionic bitail fluoro thio alkyl to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 53
Dependent Claim
51 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl and an alkyl aryl sulfonate to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 54
Dependent Claim
51 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl and an alkyl aryl sulfonate to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 55
Dependent Claim
56 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl, an alkyl amine quaternary salt, and an alkyl aryl sulfonate to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 56
Dependent Claim
56 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises a mixture of an anionic bitail fluoro thio alkyl, an alkyl amine quaternary salt, and an alkyl aryl sulfonate to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 57
Dependent Claim
43 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises an anionic bitail fluoro thio alkyl to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 58
Dependent Claim
43 words
A process for generating images which comprises causing an ink composition comprising a dye, a liquid medium, and a surfactant which comprises an anionic bitail fluoro thio alkyl to be ejected in imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 59
Dependent Claim
21 words
A thermal ink jet printing composition according to claim 1 wherein the ink has a viscosity of 5 centipoise or less.
Claim 60
Dependent Claim
17 words
A process according to claim 34 wherein the ink has a viscosity of 5 centipoise or less.
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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) | 1994-05-27 | 1994-11-26 | 1995-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-27 | 1998-11-26 | 1999-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-27 | 2002-11-26 | 2003-05-28 | $7700.00 | Window Closed / Lapsed |