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US5405438A
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Hot melt ink for ink jet printers
Assignee: Brother Industries Ltd
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Filing: 1994-04-08
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Granted: 1995-04-11
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Expires: 2014-04-08
Abstract
Abstract A hot melt ink for ink jet printers includes a vehicle that is solid at normal temperatures and which melts and liquifies when heated above its melting point, a pigment, and an aluminate coupling agent in an amount of about 1 to 50 weight percent, based on the weight of the pigment.
Inventors
- 👤 Masaya Fujioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:42
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/34
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
52 words
A hot melt ink for ink jet printers, comprising: a vehicle that is solid at normal temperatures and which melts and liquifies when heated above its melting point; a pigment; and an aluminate coupling agent in an amount from about 1 to 50 wt. %, based on the weight of the pigment.
Claim 2
Dependent Claim
52 words
A hot melt ink for ink jet printers, comprising: a vehicle that is solid at normal temperatures and which melts and liquifies when heated above its melting point; a pigment; and an aluminate coupling agent in an amount from about 1 to 50 wt. %, based on the weight of the pigment.
Claim 3
Dependent Claim
18 words
A hot melt ink according to claim 1, wherein said aluminate coupling agent is an acetoalchoxy aluminum dialkylate.
Claim 4
Dependent Claim
17 words
A hot melt ink according to claim 2, wherein said aluminate coupling agent is acetoalchoxy aluminum diisopropylate.
Claim 5
Dependent Claim
32 words
A hot melt ink according to claim 3, wherein said aluminate coupling agent is present in an amount of about 1 to 30 wt. %, based on the weight of the pigment.
Claim 6
Dependent Claim
34 words
A hot melt ink according to claim 1, wherein said vehicle includes a normal temperature solid wax in an amount from about 50 to 99 wt. %, based on the weight of the ink.
Claim 7
Dependent Claim
30 words
A hot melt ink according to claim 1, wherein said pigment is present in an amount of about 1 to 10 wt. %, based on the weight of the ink.
Claim 8
Dependent Claim
32 words
A hot melt ink according to claim 1, wherein said aluminate coupling agent is present in an amount of about 1 to 30 wt. %, based on the weight of the pigment.
Claim 9
Dependent Claim
36 words
A hot melt ink according to claim 7, wherein said aluminate coupling agent and said pigment are present in a total amount of about 1 to 15 wt. %, based on the weight of the ink.
Claim 10
Dependent Claim
14 words
A hot melt ink according to claim 1, wherein the pigment is carbon black.
Claim 11
Dependent Claim
31 words
A hot melt ink according to claim 1, wherein the pigment is an organic pigment selected from the group consisting of quinacridone organic pigments, phthalocyanine organic pigments, and iso-indolinone organic pigments.
Claim 12
Dependent Claim
21 words
A hot melt ink according to claim 1, wherein the vehicle has a melting point not lower than about 50° C.
Claim 13
Dependent Claim
82 words
A hot melt ink for ink jet printers, comprising: a vehicle that is solid at normal temperatures and which melts and liquifies when heated above its melting point, said vehicle comprising a normal temperature solid wax in an amount from about 50 to 99 wt. %, based on the weight of the ink; a pigment; and an aluminate coupling agent comprising an acetoalchoxy aluminum dialkylate in an amount from about 1 to 50 wt. %, based on the weight of the pigment.
Claim 14
Dependent Claim
82 words
A hot melt ink for ink jet printers, comprising: a vehicle that is solid at normal temperatures and which melts and liquifies when heated above its melting point, said vehicle comprising a normal temperature solid wax in an amount from about 50 to 99 wt. %, based on the weight of the ink; a pigment; and an aluminate coupling agent comprising an acetoalchoxy aluminum dialkylate in an amount from about 1 to 50 wt. %, based on the weight of the pigment.
Claim 15
Dependent Claim
17 words
A hot melt ink according to claim 12, wherein said aluminate coupling agent is acetoalchoxy aluminum diisopropylate.
Claim 16
Dependent Claim
32 words
A hot melt ink according to claim 13, wherein said aluminate coupling agent is present in an amount of about 1 to 30 wt. %, based on the weight of the pigment.
Claim 17
Dependent Claim
36 words
A hot melt ink according to claim 14, wherein said aluminate coupling agent and said pigment are present in a total amount of about 1 to 15 wt. %, based on the weight of the ink.
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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) | 1998-04-10 | 1998-10-10 | 1999-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-10 | 2002-10-10 | 2003-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-10 | 2006-10-10 | 2007-04-11 | $7700.00 | Window Closed / Lapsed |