Patent US5837044A successfully refreshed from Google Patents.
US5837044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet inks containing polyethylene fatty ether additives
Assignee: Eastman Kodak Co
•
Filing: 1996-08-13
•
Granted: 1998-11-17
•
Expires: 2016-08-13
Abstract
Abstract A liqiud ink jet ink comprising a carrier, a pigment, a dispersant and a polyoxyethylene fatty ether additive.
Inventors
- 👤 Domenic Santilli
- 👤 Ravi Sharma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:45
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/322
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
60 words
A liquid ink jet ink wherein said ink comprises a carrier, a pigment, a dispersing agent and a polyoxyethylene fatty ether additive having the structure (1): RO(C.sub.2 H.sub.4 O).sub.n H; wherein R represents: (a) lauryl and n is 23; (b) cetyl and n is 20; (c) stearyl and n is 20 or 100 and (d) oleyl and n is 20.
Claim 2
Dependent Claim
60 words
A liquid ink jet ink wherein said ink comprises a carrier, a pigment, a dispersing agent and a polyoxyethylene fatty ether additive having the structure (1): RO(C.sub.2 H.sub.4 O).sub.n H; wherein R represents: (a) lauryl and n is 23; (b) cetyl and n is 20; (c) stearyl and n is 20 or 100 and (d) oleyl and n is 20.
Claim 3
Dependent Claim
27 words
A liquid ink jet ink according to claim 1 wherein the fatty ether additive is a polyoxyethylene lauryl ether, polyoxyethylene stearyl ether or a polyoxyethylene oleyl ether.
Claim 4
Dependent Claim
28 words
The ink of claim 1 or 2 comprising from 0.5 to 10.0 weight percent of pigment, and from 0.3 to 1.0 weight percent of the polyoxyethylene fatty ether.
Claim 5
Dependent Claim
18 words
The ink of any one of the preceeding claims wherein the dispersing agent is sodium N-methyl-N-oleoyl taurate (OMT).
Claim 6
Dependent Claim
22 words
The ink of claim 4 wherein the pigment is selected from the group consisting of cyan, magenta, yellow, black and mixtures thereof.
Claim 7
Dependent Claim
63 words
An inkjet 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 comprising: a carrier, a pigment and an ink jet ink according to claim 1; and printing on the ink receptive substrates in response to the digital data signals.
References Cited (Backward Citations)
US4822417A
Cited
US4740549A
Cited
US5441561A
Cited
US5538548A
Cited
US5580372A
Cited
US5651813A
Cited
US5643357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-11-16 | 2002-05-18 | 2002-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-11-16 | 2006-05-18 | 2006-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-11-16 | 2010-05-18 | 2010-11-17 | $7700.00 | Window Closed / Lapsed |