Patent US6814746B2 successfully refreshed from Google Patents.
US5833744A
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Waterfast ink jet inks containing a surfactant
Assignee: Xerox Corp
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Filing: 1997-01-13
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Granted: 1998-11-10
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Expires: 2017-01-13
Abstract
Abstract An ink for thermal ink jet printing which includes water, a co-solvent and a paper specific surfactant comprising a paper pulp debonding agent, such as Berocell TM 584 or Berocell TM 078.
Inventors
- 👤 Marcel Philippe Breton
- 👤 John F. Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:36
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
34 words
A thermal ink jet composition comprising: water; a co-solvent; and a paper specific surfactant comprising a paper pulp debonding agent, wherein said paper pulp debonding agent is a mixture of cationic and nonionic moieties.
Claim 2
Dependent Claim
34 words
A thermal ink jet composition comprising: water; a co-solvent; and a paper specific surfactant comprising a paper pulp debonding agent, wherein said paper pulp debonding agent is a mixture of cationic and nonionic moieties.
Claim 3
Dependent Claim
24 words
The composition of claim 1, wherein the paper pulp debonding agent is a mixture of alkoxylated quarternary ammonium chloride and two different alkoxylated ethers.
Claim 4
Dependent Claim
19 words
The composition of claim 1, wherein the paper pulp debonding agent comprises a non-ionic mixture of fatty alcohol propoxylates.
Claim 5
Dependent Claim
31 words
The composition of claim 1, wherein the paper specific surfactant further comprises a surfactant selected from the group consisting of sodium lauryl sulphate, n-lauryl sarcosine, sodium dodecylbenzene sulphonate, and mixtures thereof.
Claim 6
Dependent Claim
29 words
The composition of claim 1, wherein the co-solvent is selected from the group consisting of ethylene glycol, propylene glycol, diethylene glycol, glycerine, dipropylene glycol, polyethylene glycol, and polypropylene glycol.
Claim 7
Dependent Claim
11 words
The composition of claim 5, wherein the co-solvent is ethylene glycol.
Claim 8
Dependent Claim
9 words
The composition of claim 1, further comprising a colorant.
Claim 9
Dependent Claim
24 words
The composition of claim 1, wherein the ink composition has a surface tension of from about 20 to about 55 mN/m at 25° C.
Claim 10
Dependent Claim
24 words
The composition of claim 1, wherein the ink composition has a surface tension of from about 30 to about 50 mN/m at 25° C.
Claim 11
Dependent Claim
23 words
The composition of claim 1, wherein the ink composition has a viscosity of from about 1.2 to about 6.0 cP at 25° C.
Claim 12
Dependent Claim
23 words
The composition of claim 1, wherein the ink composition has a viscosity of from about 1.5 to about 3.0 cP at 25° C.
Claim 13
Dependent Claim
10 words
The composition of claim 1, further comprising a jetting aid.
Claim 14
Dependent Claim
21 words
The composition of claim 12, wherein the jetting aid is polyethylene oxide with a weight average molecular weight of about 18,500.
Claim 15
Dependent Claim
15 words
The composition of claim 1, wherein the ink composition has a drying time ≧8 sec.
Claim 16
Dependent Claim
27 words
The composition of claim 1, wherein the paper specific surfactant is present in an amount of from about 0.0001 to about 0.10% by weight of the composition.
Claim 17
Dependent Claim
27 words
The composition of claim 1, wherein the paper specific surfactant is present in an amount of from about 0.005 to about 0.10% by weight of the composition.
Claim 18
Dependent Claim
28 words
The composition of claim 2, wherein the paper pulp debonding agent is present in an amount of from about 0.0001 to about 0.10% by weight of the composition.
Claim 19
Dependent Claim
28 words
The composition of claim 2, wherein the paper pulp debonding agent is present in an amount of from about 0.005 to about 0.05% by weight of the composition.
Claim 20
Dependent Claim
25 words
The composition of claim 4, wherein the surfactant is present in an amount of from about 0.0001 to about 0.10% by weight of the composition.
Claim 21
Dependent Claim
25 words
The composition of claim 4, wherein the surfactant is present in an amount of from about 0.005 to about 0.05% by weight of the composition.
Claim 22
Dependent Claim
57 words
An ink-jet recording process comprising ejecting ink droplets from an orifice in accordance with a recording signal to form an image on a recording medium, wherein said ink comprises water, a co-solvent, and a paper specific surfactant comprising a paper pulp debonding agent, wherein said paper pulp debonding agent is a mixture of cationic and nonionic moieties.
Claim 23
Dependent Claim
57 words
An ink-jet recording process comprising ejecting ink droplets from an orifice in accordance with a recording signal to form an image on a recording medium, wherein said ink comprises water, a co-solvent, and a paper specific surfactant comprising a paper pulp debonding agent, wherein said paper pulp debonding agent is a mixture of cationic and nonionic moieties.
Claim 24
Dependent Claim
25 words
The recording process of claim 21, wherein the paper pulp debonding agent is a mixture of alkoxylated quarternary ammonium chloride and two different alkoxylated ethers.
Claim 25
Dependent Claim
20 words
The recording process of claim 21, wherein the paper pulp debonding agent comprises a non-ionic mixture of fatty alcohol propoxylates.
Claim 26
Dependent Claim
32 words
The recording process of claim 21, wherein the paper specific surfactant further comprises a surfactant selected from the group consising of sodium lauryl sulphate, n-lauryl sarcosine, sodium dodecylbenzene sulphonate, and mixtures thereof.
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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) | 2001-11-09 | 2002-05-11 | 2002-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-11-09 | 2006-05-11 | 2006-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-11-09 | 2010-05-11 | 2010-11-10 | $7700.00 | Window Closed / Lapsed |