Patent US6153667A successfully refreshed from Google Patents.
US6153667A
Expired / Lapsed
US
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Hot melt ink
Assignee: Pelikan Produktions AG
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Filing: 1999-01-21
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Granted: 2000-11-28
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Expires: 2019-01-21
Abstract
Abstract The present invention comprises an abrasion-resistant and blocking-resistant hot melt ink, which can be printed at a temperature of approximately 80 DEG C. to 100 DEG C. which includes an adhesion-facilitating substance, a viscosity-facilitating substance and a copolymer of polyvinyl pyrrolidone with one or several long-chain alpha -olefins with at least 10 carbon atoms. The ink has excellent adhesion properties with respect to the imprintable material or printing substrate, and withstands normal handling such as folding or bending. Additionally, the present invention includes colored hot melt inks that exhibit improved transparency properties even if the inks are formulated for printing at low temperatures.
Inventors
- 👤 Nicole Howald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:16
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/34
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
99 words
An abrasion-resistant and blocking-resistant hot melt ink adapted for ink jet printers, said hot melt ink comprising: a substance, solid at a room temperature, having a melting point in the range from about 30 to about 100° C., which imparts abrasion-resistance and scratch-resistance characteristics to said hot melt ink and being a copolymer of vinyl-pyrrolidone with one or several long-chain α-olefins with at least 10 carbon atoms; an adhesion-facilitating substance having a melting point of up to about 100° C.; and a viscosity-facilitating substance with a melting point of up to about 100° C. and, solid at room temperature.
Claim 2
Dependent Claim
99 words
An abrasion-resistant and blocking-resistant hot melt ink adapted for ink jet printers, said hot melt ink comprising: a substance, solid at a room temperature, having a melting point in the range from about 30 to about 100° C., which imparts abrasion-resistance and scratch-resistance characteristics to said hot melt ink and being a copolymer of vinyl-pyrrolidone with one or several long-chain α-olefins with at least 10 carbon atoms; an adhesion-facilitating substance having a melting point of up to about 100° C.; and a viscosity-facilitating substance with a melting point of up to about 100° C. and, solid at room temperature.
Claim 3
Dependent Claim
18 words
The hot melt ink according to claim 1, wherein the long-chain α-olefin has 15 to 40 carbon atoms.
Claim 4
Dependent Claim
55 words
The hot melt ink according to claim 2 which comprises: 10 to 75% by weight of a paraffin; 4 to 30% by weight of the phthalate ester of hydroabietyl alcohol; 10 to 75% by weight of Poly(1-ethenylpyrrolidon-2-on/triacont-1-en); and one of (i) 12 to 20% by weight pigment, and (ii) 0.5 to 5% by weight dye.
Claim 5
Dependent Claim
72 words
The hot melt ink according to claim 2 which comprises: about 63% by weight of a paraffin; about 15% by weight of the phthalate ester of hydroabietyl alcohol; about 21 % by weight of Poly(1-ethenylpyrrolidon-2-on/triacont-1-en); and one of (i) 1 to 3% by weight dye and (ii) 3 to 15% by weight of pigment; wherein the hot melt ink is adapted for printing at a temperature of 80° C. to 100° C.
Claim 6
Dependent Claim
14 words
The hot melt ink according to claim 1, wherein the long-chain α-olefin is eicosene.
Claim 7
Dependent Claim
16 words
The hot melt ink according to claim 1, wherein the copolymer of vinyl pyrrolidone is Poly(1-ethenylpyrrolidon-2-on/triacont-1-en).
Claim 8
Dependent Claim
21 words
The hot melt ink according to claim 1, wherein the adhesion-facilitating substance is a tacky, low-softening point resin having pigment-wetting characteristics.
Claim 9
Dependent Claim
22 words
The hot melt ink according to claim 7, wherein the tacky, low-softening point resin is a phthalate ester of technical hydroabietyl alcohol.
Claim 10
Dependent Claim
20 words
The hot melt ink of claim 7 wherein said resin has a softening point of from 55 to 75° C.
Claim 11
Dependent Claim
15 words
The hot melt ink according to claim 1, wherein said viscosity-facilitating substance is a wax.
Claim 12
Dependent Claim
14 words
The hot melt ink according to claim 10, wherein the wax is petroleum wax.
Claim 13
Dependent Claim
13 words
The hot melt ink according to claim 10, wherein the wax is paraffin.
Claim 14
Dependent Claim
21 words
The hot melt ink according to claim 1, wherein said ink has a melting point of about 80 to 100° C.
Claim 15
Dependent Claim
21 words
The hot melt ink according to claim 1, wherein said ink has a melting point of about 50 to 90° C.
Claim 16
Dependent Claim
31 words
The hot melt ink according to claim 1, wherein said ink comprises about 10 to about 75% by weight of said copolymer of vinyl pyrrolidone with one or several long-chain α-olefins.
Claim 17
Dependent Claim
23 words
The hot melt ink according to claim 1, wherein said ink comprises about 5 to about 30% by weight of said adhesion-facilitating substance.
Claim 18
Dependent Claim
23 words
The hot melt ink according to claim 1, wherein said ink comprises about 10 to about 75% by weight of said viscosity-facilitating substance.
Claim 19
Dependent Claim
15 words
The hot melt ink of claim 1, wherein said viscosity-facilitating substance is a wax-like substance.
References Cited (Backward Citations)
US3423381A
Cited
GB1209791A
Cited
US3542682A
Cited
US3935144A
Cited
JPS526207A
Cited
US4536405A
Cited
EP0105994A1
Cited
US4889560A
Cited
EP0353979A2
Cited
US5151120A
Cited
US5122187A
Cited
WO1991018065A1
Cited
US5185170A
Cited
US5621022A
Cited
EP0610090A1
Cited
US5397388A
Cited
US5405438A
Cited
US5514209A
Cited
US5531819A
Cited
US5593486A
Cited
US5973027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-11-28 | 2004-05-29 | 2004-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-11-28 | 2008-05-29 | 2008-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-11-28 | 2012-05-29 | 2012-11-28 | $7700.00 | Window Closed / Lapsed |