Patent US5286288A successfully refreshed from Google Patents.
US5286288A
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Hot melt inks for continuous jet printing
Assignee: Videojet Technologies Inc
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Filing: 1993-03-11
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Granted: 1994-02-15
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Expires: 2013-03-11
Abstract
Abstract A hot melt ink composition for use in continuous ink jet printing comprising an electrolyte, an electrolyte-solvating and dissociating compound and an image-forming agent, said ink being solid at about 25 degrees C., said ink liquefying at a temperature between 75 degrees C. and 175 degrees C., and said ink in the liquid stage having a conductivity of greater than about 100 microsiemens/cm.
Inventors
- 👤 Russell H. Tobias
- 👤 Mairi C. MacLean
- 👤 Nicholas A. Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:34
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/34
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
99 words
A hot melt ink composition for use in continuous ink jet printing comprising from about 0.1% to about 5% by weight of an electrolyte, from about 30% to about 99% by weight of an electrolyte-solvating and dissociating compound selected from the group consisting of alkanolamides and polyethylene glycol, and from about 0.1% to about 10% by weight of an image-forming agent, said ink being solid at about 25° C., said ink liquefying at a temperature between about 75° C. and about 175° C., and said ink in the liquid stage having a conductivity of greater than about 100 microsiemens/cm.
Claim 2
Dependent Claim
99 words
A hot melt ink composition for use in continuous ink jet printing comprising from about 0.1% to about 5% by weight of an electrolyte, from about 30% to about 99% by weight of an electrolyte-solvating and dissociating compound selected from the group consisting of alkanolamides and polyethylene glycol, and from about 0.1% to about 10% by weight of an image-forming agent, said ink being solid at about 25° C., said ink liquefying at a temperature between about 75° C. and about 175° C., and said ink in the liquid stage having a conductivity of greater than about 100 microsiemens/cm.
Claim 3
Dependent Claim
52 words
The composition of claim 1 wherein said alkanolamide is a compound of the formula C.sub.n H.sub.2n+1 CONHR, where n is an integer from 10-17, R is CH 2 CH 2 OH or (CH 2 CH 2 O) x CH 2 CH 2 OH and x is an integer from 1 to 9.
Claim 4
Dependent Claim
16 words
The composition of claim 1 wherein said alkanolamide is a bis-monoethanolamdie of a dibasic fatty acid.
Claim 5
Dependent Claim
16 words
The composition of claim 1 wherein said alkanolamide is a bis-diethanolamide of a dibasic fatty acid.
Claim 6
Dependent Claim
13 words
The composition of claim 2 wherein n=11 and R═CH 2 CH 2 OH.
Claim 7
Dependent Claim
21 words
The composition of claim 1 wherein said polyethylene glycol has a molecular weight from about 1000 grams/mole to about 2000 grams/mole.
Claim 8
Dependent Claim
11 words
The composition of claim 1 wherein said electrolyte is potassium thiocyanate.
Claim 9
Dependent Claim
11 words
The composition of claim 1 further comprising a viscosity reducing agent.
Claim 10
Dependent Claim
25 words
The composition of claim 8 wherein said viscosity reducing agent is selected from the group consisting of stearamide, stearyl monoethanolamide stearate, and ethylene glycol distearate.
Claim 11
Dependent Claim
10 words
The composition of claim 1 further comprising a hardening agent.
Claim 12
Dependent Claim
52 words
The composition of claim 10 wherein said hardening agent is selected from the group consisting of ricinoleamides, hydroxystearamides, hydrogenated castor oil, ethylene glycol distearate, 12-hydroxydodecanoic acid, ester derivatives of 12-hydroxydodecanoic acid, esters of methylene glycol, esters of propylene glycol, esters of glycerol, esters of ethylene glycol, and stearyl esters of 12-hydroxystearic acid.
Claim 13
Dependent Claim
12 words
The composition of claim 11 wherein said hydroxystearamide is N(2-hydroxy ethyl)-12 hydroxystearamide.
Claim 14
Dependent Claim
10 words
The composition of claim 1 further comprising a flexibilizing agent.
Claim 15
Dependent Claim
24 words
The composition of claim 13 wherein said flexibilizing agent is selected from the group consisting of ethylene vinylacetate copolymers, polyamides, amide waxes and ionomers.
Claim 16
Dependent Claim
107 words
A hot melt ink composition for use in continuous ink jet printing comprising from about 0.1% to about 5% by weight of electrolyte, from about 30% to about 99% by weight of an electrolyte-solvating and dissociating compound selected from the group consisting of alkanolamides and polyethylene glycol, and from about 0.1% to about 10% by weight of an image-forming agent, a viscosity reducing agent, and a hardening agent, said ink being a solid at about 25° C., said ink liquefying at a temperature between about 75° C. and about 175° C., and said ink in the liquid state having a conductivity of greater than about 100 microsiemens/cm.
Claim 17
Dependent Claim
107 words
A hot melt ink composition for use in continuous ink jet printing comprising from about 0.1% to about 5% by weight of electrolyte, from about 30% to about 99% by weight of an electrolyte-solvating and dissociating compound selected from the group consisting of alkanolamides and polyethylene glycol, and from about 0.1% to about 10% by weight of an image-forming agent, a viscosity reducing agent, and a hardening agent, said ink being a solid at about 25° C., said ink liquefying at a temperature between about 75° C. and about 175° C., and said ink in the liquid state having a conductivity of greater than about 100 microsiemens/cm.
Claim 18
Dependent Claim
52 words
The composition of claim 15 wherein said alkanolamide is a compound of the formula C.sub.n H.sub.2n+1 CONHR, where n is an integer from 10-17, R is CH 2 CH 2 OH or (CH 2 CH 2 O) x CH 2 CH 2 OH and x is an integer from 1 to 9.
Claim 19
Dependent Claim
16 words
The composition of claim 15 wherein said alkanolamide is a bis-monoethanolamide of a dibasic fatty acid.
Claim 20
Dependent Claim
16 words
The composition of claim 15 wherein said alkanolamide is a bis-diethanolamide of a dibasic fatty acid.
Claim 21
Dependent Claim
13 words
The composition of claim 16 wherein n=11 and R═CH 2 CH 2 OH.
Claim 22
Dependent Claim
25 words
The composition of claim 15 wherein said viscosity reducing agent is selected from the group consisting of stearamide, stearyl monoethanolamide stearate and ethylene glycol distearate.
Claim 23
Dependent Claim
51 words
The composition of claim 15 wherein said hardening agent is selected from the group consisting of ricinoleamides, hydroxystearamides, hydrogenated castor oil, ethylene glycol distearate, 12-hydroxydodecanoic acid, ester derivatives of 12-hydroxydodecanoic acid, esters of methylene glycol, esters of propylene glycol, esters of glycerol, esters of ethylene glycol, stearyl esters of 12-hydroxystearic acid.
Claim 24
Dependent Claim
12 words
The composition of claim 21 wherein said hydroxystearamide is N(2-hydroxy ethyl)-12 hydroxystearamide.
Claim 25
Dependent Claim
67 words
A hot melt ink composition for use in continuous ink jet printing comprising from about 30 to about 99% of lauryl monoethanolamide, from about 0 to about 50% of stearyl monoethanolamide stearate, from about 0 to about 50% of N(2-hydroxyethyl)-12-hydroxystearamide, from about 0.5 to about 3.0% of potassium thiocyanate, and from about 0.1 to about 10% of image forming agent, based on the weight of the composition.
Claim 26
Dependent Claim
67 words
A hot melt ink composition for use in continuous ink jet printing comprising from about 30 to about 99% of lauryl monoethanolamide, from about 0 to about 50% of stearyl monoethanolamide stearate, from about 0 to about 50% of N(2-hydroxyethyl)-12-hydroxystearamide, from about 0.5 to about 3.0% of potassium thiocyanate, and from about 0.1 to about 10% of image forming agent, based on the weight of the composition.
References Cited (Backward Citations)
US3994736A
Cited
US5017223A
Cited
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