US4400215A
Expired / Lapsed
US
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Ink jet ink formulation for reduced start-up problems
Assignee: Exxon Mobil Corp
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Filing: 1981-12-07
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Granted: 1983-08-23
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Expires: 2001-12-07
Abstract
Abstract An ink jet ink formulated to substantially reduce or eliminate start-up problems when an ink jet apparatus is initially discharged. The ink comprises at least two fluid components. The components have been matched to provide an ink that substantially maintains its initial formulation despite evaporation of the components.
Inventors
- 👤 Theodore M. Cooke
- 👤 Robert A. Lin
- 👤 Richard G. Whitfield
- 👤 Allan G. Hock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:09
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/36
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
66 words
In an ink jet ink, the improvement comprising an ink formulated to substantially reduce or eliminate start-up problems when an ink jet apparatus is initially discharged, said ink comprising at least two fluid components, said components having been matched with respect to either their vapor pressures, boiling points, or evaporation rates to provide an ink that substantially maintains its initial formulation despite evaporation of said components.
Claim 2
Dependent Claim
66 words
In an ink jet ink, the improvement comprising an ink formulated to substantially reduce or eliminate start-up problems when an ink jet apparatus is initially discharged, said ink comprising at least two fluid components, said components having been matched with respect to either their vapor pressures, boiling points, or evaporation rates to provide an ink that substantially maintains its initial formulation despite evaporation of said components.
Claim 3
Dependent Claim
17 words
The ink formulated with respect to claim 1, wherein said ink comprises at least one oil-based component.
Claim 4
Dependent Claim
19 words
The ink formulated with respect to claim 1, wherein at least one of said ink components is oleic acid.
Claim 5
Dependent Claim
18 words
The ink formulated with respect to claim 1, wherein at least one of said components is an ether.
Claim 6
Dependent Claim
18 words
The ink formulated with respect to claim 1, wherein at least one of said components is an alcohol.
Claim 7
Dependent Claim
16 words
The ink formulated with respect to claim 1, wherein at least one component is a pyrrolidone.
Claim 8
Dependent Claim
12 words
The ink formulated with respect to claim 1, further comprising a dye.
Claim 9
Dependent Claim
19 words
The ink formulated with respect to claim 1, wherein at least one of said ink components is benzyl ether.
Claim 10
Dependent Claim
21 words
The ink formulated with respect to claim 1, wherein said ink has a surface tension of at least approximately 35 dynes/cm.
Claim 11
Dependent Claim
49 words
In an ink jet ink, the improvement comprising an ink having at least two fluid components that are formulated to provide either substantially similar vapor pressures, boiling points, or evaporation rates, wherein start-up problems are substantially reduced or eliminated when an ink jet utilizing said ink is initially discharged.
Claim 12
Dependent Claim
49 words
In an ink jet ink, the improvement comprising an ink having at least two fluid components that are formulated to provide either substantially similar vapor pressures, boiling points, or evaporation rates, wherein start-up problems are substantially reduced or eliminated when an ink jet utilizing said ink is initially discharged.
Claim 13
Dependent Claim
17 words
The ink formulated with respect to claim 10, wherein said ink comprises at least one oil-based component.
Claim 14
Dependent Claim
19 words
The ink formulated with respect to claim 10, wherein at least one of said ink components is oleic acid.
Claim 15
Dependent Claim
18 words
The ink formulated with respect to claim 10, wherein at least one of said components is an ether.
Claim 16
Dependent Claim
18 words
The ink formulated with respect to claim 10, wherein at least one of said components is an alcohol.
Claim 17
Dependent Claim
16 words
The ink formulated with respect to claim 10, wherein at least one component is a pyrrolidone.
Claim 18
Dependent Claim
12 words
The ink formulated with respect to claim 10, further comprising a dye.
Claim 19
Dependent Claim
19 words
The ink formulated with respect to claim 10, wherein at least one of said ink components is benzyl ether.
Claim 20
Dependent Claim
21 words
The ink formulated with respect to claim 10, wherein said ink has a surface tension of at least approximately 35 dynes/cm.
Claim 21
Dependent Claim
59 words
In a method of substantially eliminating or at least reducing the tendency of an ink jet apparatus to improperly discharge during initial start-up, the improvement comprising the step of formulating an ink for said ink jet apparatus wherein at least two of its fluid components are matched with respect to either their vapor pressures, boiling points, or evaporation rates.
Claim 22
Dependent Claim
59 words
In a method of substantially eliminating or at least reducing the tendency of an ink jet apparatus to improperly discharge during initial start-up, the improvement comprising the step of formulating an ink for said ink jet apparatus wherein at least two of its fluid components are matched with respect to either their vapor pressures, boiling points, or evaporation rates.
Claim 23
Dependent Claim
17 words
The ink formulated with respect to claim 19, wherein said ink comprises at least one oil-based component.
Claim 24
Dependent Claim
19 words
The ink formulated with respect to claim 19, wherein at least one of said ink components is oleic acid.
Claim 25
Dependent Claim
18 words
The ink formulated with respect to claim 19, wherein at least one of said components is an ether.
Claim 26
Dependent Claim
18 words
The ink formulated with respect to claim 19, wherein at least one of said components is an alcohol.
Claim 27
Dependent Claim
16 words
The ink formulated with respect to claim 19, wherein at least one component is a pyrrolidone.
Claim 28
Dependent Claim
12 words
The ink formulated with respect to claim 19, further comprising a dye.
Claim 29
Dependent Claim
19 words
The ink formulated with respect to claim 19, wherein at least one of said ink components is benzyl ether.
Claim 30
Dependent Claim
21 words
The ink formulated with respect to claim 19, wherein said ink has a surface tension of at least approximately 35 dynes/cm.
Claim 31
Dependent Claim
56 words
In a method of formulating an ink for an ink jet apparatus that can substantially reduce or eliminate improper or defective initial discharge of said apparatus, the improvement comprising the step of matching at least two fluid components of said ink such that each component has either substantially similar vapor pressures, boiling points, or evaporation rates.
Claim 32
Dependent Claim
56 words
In a method of formulating an ink for an ink jet apparatus that can substantially reduce or eliminate improper or defective initial discharge of said apparatus, the improvement comprising the step of matching at least two fluid components of said ink such that each component has either substantially similar vapor pressures, boiling points, or evaporation rates.
Claim 33
Dependent Claim
17 words
The ink formulated with respect to claim 28, wherein said ink comprises at least one oil-based component.
Claim 34
Dependent Claim
19 words
The ink formulated with respect to claim 28, wherein at least one of said ink components is oleic acid.
Claim 35
Dependent Claim
18 words
The ink formulated with respect to claim 28, wherein at least one of said components is an ether.
Claim 36
Dependent Claim
18 words
The ink formulated with respect to claim 28, wherein at least one of said components is an alcohol.
Claim 37
Dependent Claim
16 words
The ink formulated with respect to claim 28, wherein at least one component is a pyrrolidone.
Claim 38
Dependent Claim
12 words
The ink formulated with respect to claim 28, further comprising a dye.
Claim 39
Dependent Claim
19 words
The ink formulated with respect to claim 28, wherein at least one of said ink components is benzyl ether.
Claim 40
Dependent Claim
21 words
The ink formulated with respect to claim 28, wherein said ink has a surface tension of at least approximately 35 dynes/cm.
References Cited (Backward Citations)
US3282853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-22 | 1987-02-21 | 1987-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-22 | 1991-02-21 | 1991-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-22 | 1995-02-21 | 1995-08-23 | $7700.00 | Window Closed / Lapsed |