US5560770A
Expired / Lapsed
US
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Ink composition for ink jet recording
Assignee: Seiko Epson Corp
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Filing: 1994-10-25
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Granted: 1996-10-01
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Expires: 2014-10-25
Abstract
Abstract An ink composition for an ink jet recording is provided which has excellent various properties, particularly can realize printing with less bleeding. The ink composition comprises a dye, propylene glycol mono-n-butyl ether (PGmBE) and/or dipropylene glycol mono-n-butyl ether (DPGmBE) and a water-soluble glycol ether other than PGmBE and DPGmBE, the total amount of PGmBE and DPGmBE being 3 to 30% by weight based on the ink composition.
Inventors
- 👤 Masahiro Yatake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:33
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
51 words
An ink composition for ink jet recording, comprising a dye, propylene glycol mono-n-butyl ether (PGmBE) dipropylene glycol mono-n-butyl ether (DPGmBE) or mixtures thereof and a water-soluble glycol ether other than PGmBE and DPGmBE, the total amount of PGmBE and DPGmBE being 3. to 30% by weight based on the ink composition.
Claim 2
Dependent Claim
51 words
An ink composition for ink jet recording, comprising a dye, propylene glycol mono-n-butyl ether (PGmBE) dipropylene glycol mono-n-butyl ether (DPGmBE) or mixtures thereof and a water-soluble glycol ether other than PGmBE and DPGmBE, the total amount of PGmBE and DPGmBE being 3. to 30% by weight based on the ink composition.
Claim 3
Dependent Claim
26 words
The ink composition according to claim 1, wherein the total amount of PGmBE and DPGmBE is 3 to 10% by weight based on the ink composition.
Claim 4
Dependent Claim
43 words
The ink composition according to claim 1, wherein the water-soluble glycol ether is selected from the group consisting of ethylene glycol monoalkyl ethers, diethylene glycol monoalkyl ethers, triethylene glycol monoalkyl ethers, propylene glycol monoalkyl ethers, dipropylene glycol monoalkyl ethers and alkoxy-substituted aliphatic alcohols.
Claim 5
Dependent Claim
57 words
The ink composition according to claim 1, wherein the water-soluble glycol ether is selected from the group consisting of ethylene glycol mono-C 1-6 alkyl ethers, diethylene glycol mono-C 1-6 alkyl ethers, triethylene glycol mono-C 1-6 alkyl ethers, propylene glycol mono-C 1-6 alkyl ethers, dipropylene glycol mono-C 1-6 alkyl ethers and C 1-6 alkoxy-substituted C 1-6 aliphatic alcohol.
Claim 6
Dependent Claim
24 words
The ink composition according to claim 1, wherein the ratio of the water-soluble glycol ether to PGmBE and DPGmBE is not less than 0.5.
Claim 7
Dependent Claim
26 words
The ink composition according to claim 1, wherein the amount of the water-soluble glycol ether is 5 to 60% by weight based on the ink composition.
Claim 8
Dependent Claim
17 words
The ink composition according to claim 1, which further comprises urea, a urea derivative or mixtures thereof.
Claim 9
Dependent Claim
18 words
The ink composition according to claim 7, wherein said urea derivative is ethyleneurea, thiourea, biurea, biuret or tetramethylurea.
Claim 10
Dependent Claim
29 words
The ink composition according to claim 7, wherein the amount of the urea, urea derivative or mixtures thereof is 2 to 20% by weight based on the ink composition.
Claim 11
Dependent Claim
11 words
The ink composition according to claim 1, which further comprises thiodiglycol.
Claim 12
Dependent Claim
24 words
The ink composition according to claim 10, wherein the amount of the thiodiglycol is 0.5 to 30% by weight based on the ink composition.
Claim 13
Dependent Claim
12 words
The ink composition according to claim 1, which further comprises a surfactant.
Claim 14
Dependent Claim
13 words
The ink composition according to claim 12, wherein the surfactant is a fluorosurfactant.
Claim 15
Dependent Claim
18 words
The ink composition according to claim 13, wherein the concentration of said fluorosurfactant is 1 to 10,000 ppm.
Claim 16
Dependent Claim
18 words
The ink composition according to claim 13, wherein the fluorosurfactant is an amphoteric surfactant or a nonionic surfactant.
Claim 17
Dependent Claim
44 words
The ink composition according to claim 1, wherein the foamability of said ink composition as measured by the Ross-Miles method is not more than 200 mm as the initial value and not more than 100 mm 5 min after the initiation of the test.
Claim 18
Dependent Claim
17 words
The ink composition according to claim 1, which has a surface tension of 15 to 40 mN/m.
Claim 19
Dependent Claim
30 words
The ink composition according to claim 1, wherein the forward contact angle of said ink composition with a nozzle plate of an ink jet recording head is 10° to 50°.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-10-01 | 2000-04-01 | 2000-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-10-01 | 2004-04-01 | 2004-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-10-01 | 2008-04-01 | 2008-10-01 | $7700.00 | Window Closed / Lapsed |