US5540765A
Expired / Lapsed
US
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Thermal ink jet composition
Assignee: Xerox Corp
•
Filing: 1995-06-07
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Granted: 1996-07-30
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Expires: 2015-06-07
Abstract
Abstract A thermal ink jet printing composition contains a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms. Preferably, the composition contains a betaine zwitterionic base and dibutylsulfoxide.
Inventors
- 👤 Kurt B. Gundlach
- 👤 Richard L. Colt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:23
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
44 words
An ink jet printing composition containing (A) a liquid vehicle comprising water and a cosolvent selected from the group consisting of dimethylsulfoxide and sulfolane, (B) a colorant and (C) a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 2
Dependent Claim
44 words
An ink jet printing composition containing (A) a liquid vehicle comprising water and a cosolvent selected from the group consisting of dimethylsulfoxide and sulfolane, (B) a colorant and (C) a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 3
Dependent Claim
13 words
The ink jet printing composition of claim 1, wherein said alkylsulfoxide is dibutylsulfoxide.
Claim 4
Dependent Claim
37 words
An ink jet composition containing (A) a liquid vehicle, (B) a colorant and (C) a surfactant, wherein said surfactant comprises a betaine zwitterionic base and an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 5
Dependent Claim
37 words
An ink jet composition containing (A) a liquid vehicle, (B) a colorant and (C) a surfactant, wherein said surfactant comprises a betaine zwitterionic base and an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 6
Dependent Claim
26 words
The ink jet printing composition of claim 3, wherein said betaine zwitterionic base is characterized by a (CH 3 ) 3 +NCH 2 COO -- moiety.
Claim 7
Dependent Claim
15 words
The ink jet printing composition of claim 1, comprising 0.5 to 15 wt. % alkylsulfoxide.
Claim 8
Dependent Claim
15 words
The ink jet printing composition of claim 1, comprising 3 to 10 wt. % alkylsulfoxide.
Claim 9
Dependent Claim
15 words
The ink jet printing composition of claim 1, comprising 4 to 6 wt. % alkylsulfoxide.
Claim 10
Dependent Claim
22 words
The ink jet printing composition of claim 4, comprising 10 to 25 wt. % betaine and 0.5 to 7 wt. % dibutylsulfoxide.
Claim 11
Dependent Claim
22 words
The ink jet printing composition of claim 4, comprising 15 to 20 wt. % betaine and 1 to 4 wt. % dibutylsulfoxide.
Claim 12
Dependent Claim
66 words
An ink jet printing process comprising causing an ink jet composition containing (A) a liquid vehicle comprising water and a cosolvent selected from the group consisting of dimethylsulfoxide and sulfolane, (B) a colorant and (C) a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms to be ejected in an imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 13
Dependent Claim
66 words
An ink jet printing process comprising causing an ink jet composition containing (A) a liquid vehicle comprising water and a cosolvent selected from the group consisting of dimethylsulfoxide and sulfolane, (B) a colorant and (C) a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms to be ejected in an imagewise fashion from a thermal ink jet printer onto a substrate.
Claim 14
Dependent Claim
13 words
The ink jet printing process of claim 10, wherein said alkylsulfoxide is dibutylsulfoxide.
Claim 15
Dependent Claim
60 words
An ink jet printing process comprising causing an ink jet composition containing (A) a liquid vehicle, (B) a colorant and (C) a surfactant, to be ejected in an imagewise fashion from a thermal ink jet printer onto a substrate, wherein said surfactant comprises a betaine zwotterionic base and an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 16
Dependent Claim
60 words
An ink jet printing process comprising causing an ink jet composition containing (A) a liquid vehicle, (B) a colorant and (C) a surfactant, to be ejected in an imagewise fashion from a thermal ink jet printer onto a substrate, wherein said surfactant comprises a betaine zwotterionic base and an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 17
Dependent Claim
26 words
The ink jet printing process of claim 12, wherein said betaine zwitterionic base is characterized by a (CH 3 ) 3 +NCH 2 COO -- moiety.
Claim 18
Independent Claim
52 words
A method of improving the fast dry characteristics of ink jet inks, comprising incorporating into an ink jet composition containing a liquid vehicle comprising water and a cosolvent selected from the group consisting of dimethylsulfoxide and sulfolane, a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 19
Independent Claim
52 words
A method of improving the fast dry characteristics of ink jet inks, comprising incorporating into an ink jet composition containing a liquid vehicle comprising water and a cosolvent selected from the group consisting of dimethylsulfoxide and sulfolane, a surfactant comprising an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 20
Dependent Claim
10 words
The method of claim 14, wherein said alkylsulfoxide is dibutylsulfoxide.
Claim 21
Independent Claim
40 words
A method of improving the fast dry characteristics of ink jet inks, comprising incorporating into in an ink jet composition, a surfactant comprising a betaine zwitterionic base and an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 22
Independent Claim
40 words
A method of improving the fast dry characteristics of ink jet inks, comprising incorporating into in an ink jet composition, a surfactant comprising a betaine zwitterionic base and an alkylsulfoxide having an alkyl group of 4 to 6 carbon atoms.
Claim 23
Dependent Claim
23 words
The method of claim 16, wherein said betaine zwitterionic base is characterized by a (CH 3 ) 3 +NCH 2 COO -- moiety.
Claim 24
Dependent Claim
12 words
The method of claim 14, comprising 0.5 to 15 wt. % alkylsulfoxide.
Claim 25
Dependent Claim
12 words
The method of claim 14, comprising 3 to 10 wt. % alkylsulfoxide.
Claim 26
Dependent Claim
12 words
The method of claim 17, comprising 4 to 6 wt. % alkylsulfoxide.
Claim 27
Dependent Claim
19 words
The method of claim 17, comprising 10 to 25 wt. % betaine and 0.5 to 7 wt. % dibutylsulfoxide.
Claim 28
Dependent Claim
19 words
The method of claim 17, comprising 15 to 20 wt. % betaine and 1 to 4 wt. % dibutylsulfoxide.
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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) | 1999-07-30 | 2000-01-29 | 2000-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-30 | 2004-01-29 | 2004-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-30 | 2008-01-29 | 2008-07-30 | $7700.00 | Window Closed / Lapsed |