US5000092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing processes
Assignee: Chemoxy International Ltd
•
Filing: 1988-02-26
•
Granted: 1991-03-19
•
Expires: 2008-02-26
Abstract
Abstract Printing ink vehicles including an emulsion of a mineral oil, preferably a light mineral oil; a significant amount of water; and an emulsifying agent including an amine or alkali metal salt of an oxidized hydrocarbon wax. Printing inks incorporating the vehicles include the vehicle together with a coloring agent such as a pigment.
Inventors
- 👤 Robert D. M. Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:59
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D11/12
Claims Analysis
Total Claims: 46
Claim 1
Independent Claim
106 words
In a printing process comprising the steps of applying an ink to a printing plate, said ink including an oil-based ink vehicle; and bringing said inked plate into contact with an object to be imprinted; the improvement comprising the step of including in said oil-based ink vehicle at least about 10 to 50 percent by weight water and about 7 to 45 percent by weight of a monovalent salt of an oxidized acid wax, the substantial remainder of said vehicle comprising an oil, in which the weight of said salt forms about 15 to 50 percent of the total weight of said oil and said salt.
Claim 2
Dependent Claim
106 words
In a printing process comprising the steps of applying an ink to a printing plate, said ink including an oil-based ink vehicle; and bringing said inked plate into contact with an object to be imprinted; the improvement comprising the step of including in said oil-based ink vehicle at least about 10 to 50 percent by weight water and about 7 to 45 percent by weight of a monovalent salt of an oxidized acid wax, the substantial remainder of said vehicle comprising an oil, in which the weight of said salt forms about 15 to 50 percent of the total weight of said oil and said salt.
Claim 3
Dependent Claim
50 words
The invention according to claim 1, wherein said vehicle comprises about 20 percent by weight water, and about 8 to 38 percent by weight of said salt, in which the weight of said salt forms about 25 to 20 percent of the total weight of said oil and said salt.
Claim 4
Dependent Claim
25 words
The invention according to claim 1, wherein said oil is a mineral oil having a viscosity at 25° C. of from 1 to 14 poise.
Claim 5
Dependent Claim
25 words
The invention according to claim 2, wherein said oil is a mineral oil having a viscosity at 25° C. of from 1 to 14 poise.
Claim 6
Dependent Claim
20 words
The invention according to claim 1, wherein said salt has an acid number of from 40 to 60 mg KOH/g.
Claim 7
Dependent Claim
20 words
The invention according to claim 2, wherein said salt has an acid number of from 40 to 60 mg KOH/g.
Claim 8
Dependent Claim
20 words
The invention according to claim 1, wherein said oxidized acid wax is a liquid oxidate mixture derived from paraffinic oils.
Claim 9
Dependent Claim
20 words
The invention according to claim 2, wherein said oxidized acid wax is a liquid oxidate mixture derived from paraffinic oils.
Claim 10
Dependent Claim
18 words
The invention according to claim 1, wherein said salt comprises the tri(hydroxyethyl)amine soap of said oxidized acid wax.
Claim 11
Dependent Claim
18 words
The invention according to claim 2, wherein said salt comprises the tri(hydroxyethyl)amine soap of said oxidized acid wax.
Claim 12
Dependent Claim
18 words
The invention according to claim 1, wherein said salt comprises the sodium salt of said oxidized acid wax.
Claim 13
Dependent Claim
18 words
The invention according to claim 2, wherein said salt comprises the sodium salt of said oxidized acid wax.
Claim 14
Dependent Claim
124 words
In a printing process comprising the steps of applying an ink to a printing plate, said ink including an oil-based ink vehicle; and bringing said inked plate into contact with an object to be imprinted; the improvement comprising the step of including in said oil-based ink vehicle at least about 10 to 50 percent by weight water and about 7 to 45 percent by weight of a monovalent salt of an oxidized acid wax, the substantial remainder of said vehicle comprising an oil, in which the weight of said salt forms about 15 to 50 percent of the total weight of said oil and said salt, said improvement further comprising the step of incorporating a coloring agent with said ink vehicle in said ink.
Claim 15
Dependent Claim
124 words
In a printing process comprising the steps of applying an ink to a printing plate, said ink including an oil-based ink vehicle; and bringing said inked plate into contact with an object to be imprinted; the improvement comprising the step of including in said oil-based ink vehicle at least about 10 to 50 percent by weight water and about 7 to 45 percent by weight of a monovalent salt of an oxidized acid wax, the substantial remainder of said vehicle comprising an oil, in which the weight of said salt forms about 15 to 50 percent of the total weight of said oil and said salt, said improvement further comprising the step of incorporating a coloring agent with said ink vehicle in said ink.
Claim 16
Dependent Claim
50 words
The invention according to claim 13, wherein said vehicle comprises about 20 percent by weight water, and about 8 to 38 percent by weight of said salt, in which the weight of said salt forms about 25 to 20 percent of the total weight of said oil and said salt.
Claim 17
Dependent Claim
25 words
The invention according to claim 13, wherein said oil is a mineral oil having a viscosity at 25° C. of from 1 to 14 poise.
Claim 18
Dependent Claim
25 words
The invention according to claim 14, wherein said oil is a mineral oil having a viscosity at 25° C. of from 1 to 14 poise.
Claim 19
Dependent Claim
20 words
The invention according to claim 13, wherein said salt has an acid number of from 40 to 60 mg KOH/G.
Claim 20
Dependent Claim
21 words
The invention according to claim 14, wherein said salt base has an acid number of from 40 to 60 mg KOH/g.
Claim 21
Dependent Claim
20 words
The invention according to claim 13, wherein said oxidized acid wax is a liquid oxidate mixture derived from paraffinic oils.
Claim 22
Dependent Claim
20 words
The invention according to claim 14, wherein said oxidized acid wax is a liquid oxidate mixture derived from paraffinic oils.
Claim 23
Dependent Claim
18 words
The invention according to claim 13, wherein said salt comprises the tri(hydroxyethyl)amine soap of said oxidized acid wax.
Claim 24
Dependent Claim
18 words
The invention according to claim 14, wherein said salt comprises the tri(hydroxyethyl)amine soap of said oxidized acid wax.
Claim 25
Dependent Claim
18 words
The invention according to claim 13, wherein said salt comprises the sodium salt of said oxidized acid wax.
Claim 26
Dependent Claim
17 words
The invention according to claim 14, wherein said salt comprises the sodium salt of said oxidized wax.
Claim 27
Dependent Claim
13 words
The invention according to claim 13, wherein said coloring agent comprises a pigment.
Claim 28
Dependent Claim
12 words
The invention according to claim 25, wherein said pigment comprises carbon black.
Claim 29
Dependent Claim
13 words
The invention according to claim 13, wherein said coloring agent comprises a pigment.
Claim 30
Dependent Claim
12 words
The invention according to claim 27, wherein said pigment comprises carbon black.
Claim 31
Dependent Claim
13 words
The invention according to claim 14, wherein said coloring agent comprises a pigment.
Claim 32
Dependent Claim
12 words
The invention according to claim 29, wherein said pigment comprises carbon black.
Claim 33
Dependent Claim
55 words
The invention according to claim 13, wherein said improvement further comprises the step of emulsifying an oil with a significant amount of water by blending said oil with a monovalent salt of an oxidized acid wax, whereby said ink vehicle comprises said oil, said monovalent salt, and at least about 10 percent by weight water.
Claim 34
Dependent Claim
25 words
The invention according to claim 31, wherein said blending step comprises the blending of said oil with the sodium soap of said oxidized acid wax.
Claim 35
Dependent Claim
24 words
The invention according to claim 31, wherein said blending step comprises the blending of said oil with the tri(hydroxyethyl)amine soap of said oxidized wax.
Claim 36
Dependent Claim
51 words
The invention according to claim 31, wherein said improvement additionally comprises the step of combining the resulting blend of said oil and said salt with said water, and wherein at least one of said combining and blending steps is carried out at a temperature of about 75° C. to 95° C.
Claim 37
Dependent Claim
41 words
The invention according to claim 31, wherein said blending step is carried out employing an amount of said salt such that said salt forms about 15 to 50 percent by weight of the resulting blend of said salt and said oil.
Claim 38
Dependent Claim
40 words
The invention according to claim 35, wherein said blending step is carried out employing an amount of salt such that said salt in about 25 to 40 percent by weight of the resulting blend of said salt and said oil.
Claim 39
Dependent Claim
56 words
The invention according to claim 31, wherein said improvement additionally comprises the step of combining the resulting blend of said oil and said salt with said water, and wherein said combining step comprises emulsifying said blend with a quantity of water such that said water forms about 10 to 50 percent by weight of said vehicle.
Claim 40
Dependent Claim
31 words
The invention according to claim 31, wherein said improvement comprises admixing said coloring agent with said blend of said oil and said salt, and subsequently combining said admixture with said water.
Claim 41
Dependent Claim
23 words
The method according to claim 31, wherein said improvement additionally comprises carrying out said emulsifying step employing an oil comprising a mineral oil.
Claim 42
Dependent Claim
36 words
The invention according to claim 31, wherein said improvement additionally comprises carrying out said emulsifying step using an oil comprising a light mineral oil having a viscosity at 25° C. of about 1 to 14 poise.
Claim 43
Dependent Claim
32 words
The invention according to claim 31, wherein said improvement additionally comprises carrying out said blending step employing an oxidized acid wax having an acid number from about 40 to 60 mg KOH/g.
Claim 44
Dependent Claim
36 words
The invention according to claim 31, wherein said improvement additionally comprises carrying out said blending step employing an oxidized acid wax derived from a wax selected from the class consisting of crystalline scale and slack waxes.
Claim 45
Dependent Claim
30 words
The invention according to claim 31, wherein said improvement further comprises carrying out said blending step employing an oxidized acid wax comprising a liquid oxidate mixture derived from paraffinic oil.
Claim 46
Dependent Claim
35 words
The invention according to claim 31, wherein said improvement comprises the preparation of an aqueous emulsion of said salt, and wherein said oil is subsequently blended with said salt by blending with said aqueous emulsion.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-03-18 | 1994-09-17 | 1995-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-03-18 | 1998-09-17 | 1999-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-03-18 | 2002-09-17 | 2003-03-19 | $7700.00 | Window Closed / Lapsed |