Patent US1594217A successfully refreshed from Google Patents.
US5853470A
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Pigmented ink jet inks containing aldehydes
Assignee: Eastman Kodak Co
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Filing: 1997-04-28
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Granted: 1998-12-29
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Expires: 2017-04-28
Abstract
Abstract Herein is disclosed a liquid ink jet ink comprising a carrier, a pigment and a compound having an aldehyde functional group.
Inventors
- 👤 Thomas W. Martin
- 👤 Charles E. Romano, Jr.
- 👤 Joe E. Maskasky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:20
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/322
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
27 words
A liquid ink jet ink comprising a carrier, a pigment and at least one compound selected from an aldehyde compound and a precursor to an aldehyde compound.
Claim 2
Dependent Claim
27 words
A liquid ink jet ink comprising a carrier, a pigment and at least one compound selected from an aldehyde compound and a precursor to an aldehyde compound.
Claim 3
Dependent Claim
31 words
The liquid ink jet ink of claim 1 wherein the concentration of the aldehyde compound is about 0.2 to 3.0 weight percent based on the total weight of the ink composition.
Claim 4
Dependent Claim
32 words
The liquid ink jet ink of claim 2 wherein the concentration of the aldehyde compound is about 1.0 to about 2.0 weight percent based on the total weight of the ink composition.
Claim 5
Dependent Claim
22 words
The liquid ink jet ink of claim 1 wherein the aldehyde compound is selected from the group consisting of formaldehyde and glutaraldehyde.
Claim 6
Dependent Claim
32 words
The liquid ink jet ink of claim 1 wherein the pigment is selected from pigment black No. 7, pigment red No. 122, pigment yellow No. 74 and a bridged aluminum phthalocyanine pigment.
Claim 7
Dependent Claim
17 words
The liquid ink jet ink of claim 1 wherein the precursor to an aldehyde compound is 2,3-dihydroxy-1,4-dioxane.
Claim 8
Dependent Claim
54 words
An ink jet printing method, comprising the steps of: providing an ink jet printer that is responsive to digital data signals; loading the printer with ink receptive substrates; loading the printer with an ink jet ink according to claim 1; and printing on the ink receptive substrates in response to the digital data signals.
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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) | 2001-12-28 | 2002-06-29 | 2002-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-12-28 | 2006-06-29 | 2006-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-12-28 | 2010-06-29 | 2010-12-29 | $7700.00 | Window Closed / Lapsed |