US4409040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink for use in ink-jet printer
Assignee: DIC Corp
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Filing: 1982-02-12
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Granted: 1983-10-11
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Expires: 2002-02-12
Abstract
Abstract Ink for use in an ink-jet printer, said ink comprising a solution in water of a water-soluble dye, a wetting agent and a compound of the following formula ##STR1## wherein R represents --C m H 2m+1 or --O--C m H 2m+1 , m represents O or an integer of 1 to 6, and n represents an integer of 1 to 10.
Inventors
- 👤 Isao Tabayashi
- 👤 Hiromi Soma
- 👤 Hiroshi Fukutomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:46
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
61 words
Ink for use in an ink-jet printer, said ink comprising a solution in water of a water-soluble dye, a wetting agent and a compound of the following formula ##STR3## wherein R represents --C m H 2m+1 or --O--C m H 2m+1 , m represents 0 or an integer of 1 to 6, and n represents an integer of 1 to 10.
Claim 2
Dependent Claim
61 words
Ink for use in an ink-jet printer, said ink comprising a solution in water of a water-soluble dye, a wetting agent and a compound of the following formula ##STR3## wherein R represents --C m H 2m+1 or --O--C m H 2m+1 , m represents 0 or an integer of 1 to 6, and n represents an integer of 1 to 10.
Claim 3
Dependent Claim
20 words
The ink of claim 1 wherein the wetting agent is a polyhydric alcohol, a pyrrolidone, an aminoalcohol or an amide.
Claim 4
Dependent Claim
50 words
The ink of claim 1 which comprises a solution in 100 parts by weight of water of 0.5 to 10 parts by weight of the water-soluble dye, 5 to 30 parts by weight of the wetting agent, and 0.1 to 5 parts by weight of the compound of said formula.
Claim 5
Dependent Claim
21 words
The ink of claim 3 wherein the wetting agent is a polyhydric alcohol, a pyrrolidone, an amino alcohol or an amide.
Claim 6
Dependent Claim
9 words
The ink of claim 1 wherein m is 0.
Claim 7
Dependent Claim
17 words
The ink of claim 1 wherein the compound of the formula is tetraethylene glycol ethyl phenyl ether.
Claim 8
Dependent Claim
17 words
The ink of claim 1 wherein the compound of the formula is heptaethylene glycol methoxy phenyl ether.
Claim 9
Dependent Claim
9 words
The ink of claim 3 wherein m is 0.
Claim 10
Dependent Claim
17 words
The ink of claim 3 wherein the compound of the formula is tetraethylene glycol ethyl phenyl ether.
Claim 11
Dependent Claim
17 words
The ink of claim 3 wherein the compound of the formula is heptaethylene glycol methoxy phenyl ether.
Claim 12
Dependent Claim
10 words
The ink of claim 4 wherein the m is 0.
Claim 13
Dependent Claim
17 words
The ink of claim 4 wherein the compound of the formula is tetraethylene glycol ethyl phenyl ether.
Claim 14
Dependent Claim
17 words
The ink of claim 4 wherein the compound of the formula is heptaethylene glycol methoxy phenyl ether.
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) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |