Patent FR1373803A successfully refreshed from Google Patents.
US4150997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water base fluorescent ink for ink jet printing
Assignee: Bantec Inc
•
Filing: 1978-04-24
•
Granted: 1979-04-24
•
Expires: 1998-04-24
Abstract
Abstract An ink composition for utilization in ink jet printing comprising an aqueous solution of a fluorescent pigment, a dye solubilizer, and butyl carbitol. The composition is nonflammable and has a relatively stable viscosity.
Inventors
- 👤 Larry J. Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:32
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
65 words
A fluorescent ink composition for ink jet printing comprising an aqueous solution of approximately 10% to 20% by weight of fluorescent pigment rendered soluble by a sufficient amount of base to produce a pH of between 7.5 and 8.5, and of 2-(2-Butoxyethoxy)ethanol within the range of 3 to 20% by weight, the ink composition having a viscosity within the range of 1.0 to 0.10 centipoise.
Claim 2
Dependent Claim
65 words
A fluorescent ink composition for ink jet printing comprising an aqueous solution of approximately 10% to 20% by weight of fluorescent pigment rendered soluble by a sufficient amount of base to produce a pH of between 7.5 and 8.5, and of 2-(2-Butoxyethoxy)ethanol within the range of 3 to 20% by weight, the ink composition having a viscosity within the range of 1.0 to 0.10 centipoise.
Claim 3
Dependent Claim
15 words
Fluorescent ink composition as set forth in claim 1 wherein said base is ammonium hydroxide.
Claim 4
Dependent Claim
23 words
Fluorescent ink composition as set forth in claim 1 wherein the composition has a viscosity within the range of 2.0 to 6.0 centipoise.
Claim 5
Dependent Claim
16 words
Fluorescent ink composition as set forth in claim 1 including a bactericide to inhibit bacteria growth.
Claim 6
Dependent Claim
21 words
Fluorescent ink composition as set forth in claim 4 wherein said bactericide comprises up to 0.05% by weight of the composition.
Claim 7
Dependent Claim
12 words
Fluorescent ink composition as set forth in claim 1 including a surfactant.
Claim 8
Dependent Claim
21 words
Fluorescent ink composition as set forth in claim 6 wherein the surfactant comprises up to 0.01% by weight of the composition.
Claim 9
Dependent Claim
20 words
Fluorescent ink composition as set forth in claim 1 including Ethylenedinitrilo tetraaceltic acid tetra sodium acting as a chelating agent.
Claim 10
Dependent Claim
24 words
Fluorescent ink composition as set forth in claim 8 wherein the Ethylenedinitrilotetraaceltic acid tetra sodium comprises up to 0.1% by weight of the composition.
Claim 11
Dependent Claim
11 words
Fluorescent ink composition as set forth in claim 1 including morpholine.
Claim 12
Dependent Claim
21 words
Fluorescent ink composition as set forth in claim 10 wherein the morpholine comprises up to 2% by weight of the composition.
Claim 13
Dependent Claim
68 words
An aqueous, nonflammable fluorescent ink composition for ink jet printing systems having a recycling system in which the composition is exposed to ambient air comprising: a. a fluorescent pigment of approximately 16% by weight; b. base of between 3% and 5% by weight for rendering the fluorescent pigment water soluble by producing a pH between 7.5 and 8.5; and c. 2-(2-Butoxyethoxy)ethanol of between 3 to 20% by weight.
Claim 14
Dependent Claim
68 words
An aqueous, nonflammable fluorescent ink composition for ink jet printing systems having a recycling system in which the composition is exposed to ambient air comprising: a. a fluorescent pigment of approximately 16% by weight; b. base of between 3% and 5% by weight for rendering the fluorescent pigment water soluble by producing a pH between 7.5 and 8.5; and c. 2-(2-Butoxyethoxy)ethanol of between 3 to 20% by weight.
Claim 15
Dependent Claim
21 words
Ink compisition as set forth in claim 13 wherein the 2-(2-Butoxyethoxy)ethanol is within the range of 5 to 10% by weight.
Claim 16
Dependent Claim
22 words
Ink composition as set forth in claim 12 wherein said composition has a viscoisty within the range of 2.0 to 6.0 centipoise.
Claim 17
Dependent Claim
14 words
Ink composition as set forth in claim 12 wherein the base is ammonium hydroxide.
Claim 18
Dependent Claim
17 words
Ink composition as set forth in claim 12 including a bactericide comprising up to 0.05% by weight.
Claim 19
Dependent Claim
17 words
Ink composition as set forth in claim 12 including a surfactant comprising up to 0.01% by weight.
Claim 20
Dependent Claim
22 words
Ink composition as set forth in claim 12 including EDTA acting as a chelating agent and comprising up to 0.1% by weight.
Claim 21
Dependent Claim
16 words
Ink composition as set forth in claim 12 including morpholine comprising up to 2% by weight.
Claim 22
Dependent Claim
61 words
An ink composition comprising in combination: a. An aqueous solution of about 10% to 20% by weight of fluorescent pigment rendered soluble by ammonium hydroxide within the range of 3% to 5% by weight; and b. 2-(2-Butoxyethoxy)ethanol within the range of 3% to 20% by weight, said the ink composition having a viscosity between 1.0 and 10.0 centipoise and being nonflammable.
Claim 23
Dependent Claim
61 words
An ink composition comprising in combination: a. An aqueous solution of about 10% to 20% by weight of fluorescent pigment rendered soluble by ammonium hydroxide within the range of 3% to 5% by weight; and b. 2-(2-Butoxyethoxy)ethanol within the range of 3% to 20% by weight, said the ink composition having a viscosity between 1.0 and 10.0 centipoise and being nonflammable.
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) | 1982-04-23 | 1982-10-23 | 1983-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-23 | 1986-10-23 | 1987-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-23 | 1990-10-23 | 1991-04-24 | $7700.00 | Window Closed / Lapsed |