US4256493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet ink composition
Assignee: Dai Nippon Toryo Co Ltd
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Filing: 1979-10-04
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Granted: 1981-03-17
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Expires: 1999-10-04
Abstract
Abstract Disclosed is a jet ink composition which comprises an aqueous jet ink containing a water-soluble dye, a wetting agent and water as main components and, incorporated therein, a water-soluble ultraviolet absorbing agent as well as a metal salt, when necessary.
Inventors
- 👤 Sigeaki Yokoyama
- 👤 Tsunehiko Toyoda
- 👤 Noriaki Okamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
44 words
A jet ink composition comprising an aqueous jet ink containing a water-soluble dye, a wetting agent and water as main components and, incorporated therein, a water-soluble ultraviolet absorbing agent, which is the compound of formula I ##STR3## or the compound of formula II ##STR4##
Claim 2
Dependent Claim
44 words
A jet ink composition comprising an aqueous jet ink containing a water-soluble dye, a wetting agent and water as main components and, incorporated therein, a water-soluble ultraviolet absorbing agent, which is the compound of formula I ##STR3## or the compound of formula II ##STR4##
Claim 3
Dependent Claim
67 words
A jet ink composition comprising an aqueous jet ink containing a water-soluble dye, a wetting agent and water as main components and, incorporated therein, a water-soluble ultraviolet absorbing agent which is the compound of formula I ##STR5## or the compound of formula II ##STR6## and at least one compound selected from the group consisting of carbonates, silicates, acetates, nitrates, phosphates, and chlorides of sodium, potassium and lithium.
Claim 4
Dependent Claim
67 words
A jet ink composition comprising an aqueous jet ink containing a water-soluble dye, a wetting agent and water as main components and, incorporated therein, a water-soluble ultraviolet absorbing agent which is the compound of formula I ##STR5## or the compound of formula II ##STR6## and at least one compound selected from the group consisting of carbonates, silicates, acetates, nitrates, phosphates, and chlorides of sodium, potassium and lithium.
Claim 5
Dependent Claim
35 words
A jet ink composition as set forth in claim 1 wherein the incorporated amount of the water-soluble ultraviolet absorbing agent is 0.2 to 10 parts by weight per 100 parts by weight of the composition.
Claim 6
Dependent Claim
46 words
A jet ink composition as set forth in claim 2 wherein the incorporated amounts of the water-soluble ultraviolet absorbing agent and the compound are 0.2 to 10 parts by weight and 0.1 to 5.0 parts by weight, respectively, per 100 parts by weight of the composition.
References Cited (Backward Citations)
US3596275A
Cited
US3416153A
Cited
US3705043A
Cited
US3846141A
Cited
US3694241A
Cited
US3979550A
Cited
US3994736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-16 | 1984-09-15 | 1985-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-16 | 1988-09-15 | 1989-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-16 | 1992-09-15 | 1993-03-17 | $7700.00 | Window Closed / Lapsed |