US5972086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet printer and ink for ink jet recording
Assignee: Seiko Epson Corp
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Filing: 1996-08-27
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Granted: 1999-10-26
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Expires: 2016-08-27
Abstract
Abstract An ink jet printer is disclosed, which jets a water-soluble ink from a recording head comprising at least an ink passage-forming member and an orifice through the orifice to form flying droplets which form a dot image on a recording medium, wherein at least a portion of the ink passage-forming member is composed of borosilicate glass and the water-soluble ink comprises at least one of urea and thiourea. Further, an ink for use in the ink jet printer is also disclosed.
Inventors
- 👤 Kenichi Kato
- 👤 Chiyoshige Nakazawa
- 👤 Kazuhiko Sato
- 👤 Hiroshi Mukai
- 👤 Katsuko Aoki
- 👤 Youichi Kubomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:27
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/38; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/16; B41J2/1621; B41J2/1623; B41J2/164; B41J2/1646; B41J2/015; B41J2/04; B41J2002/043
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
66 words
An ink jet printer which jets a water-soluble ink from a recording head comprising at least an ink passage-forming member and an orifice to form flying droplets which form a dot image on a recording medium, wherein at least a portion of said ink passage-forming member is composed of borosilicate glass and single-crystal silicon and said water-soluble ink comprises at least one of urea and thiourea.
Claim 2
Dependent Claim
66 words
An ink jet printer which jets a water-soluble ink from a recording head comprising at least an ink passage-forming member and an orifice to form flying droplets which form a dot image on a recording medium, wherein at least a portion of said ink passage-forming member is composed of borosilicate glass and single-crystal silicon and said water-soluble ink comprises at least one of urea and thiourea.
Claim 3
Dependent Claim
17 words
The ink jet printer according to claim 1 wherein said water-soluble ink contains a surface active agent.
Claim 4
Dependent Claim
49 words
The ink jet printer according to claim 2, wherein said surface active agent is composed of an acetylene diol surface active agent and a compound represented by the following structural formula (A): ##STR5## wherein R represents a halogen atom or an alkyl group; and n represents a positive integer.
Claim 5
Dependent Claim
26 words
The ink jet printer according to claim 3, wherein said acetylene diol surface active agent is a compound represented by the following structural formula (B): ##STR6##
Claim 6
Dependent Claim
37 words
The ink jet printer according to claim 3, wherein said acetylene diol surface active agent is composed of a compound represented by the structural formula (B) and a compound represented by the following structural formula (C): ##STR7##
Claim 7
Dependent Claim
14 words
The ink jet printer according to claim 5, further comprising a nitrogen-containing heterocyclic compound.
Claim 8
Dependent Claim
20 words
The ink jet printer according to claim 6, wherein said nitrogen-containing heterocyclic compound is any of 1,3-dimethyl-2-imidazolidinone, N-methyl-2-pyrrolidone and 2-pyrrolidone.
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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) | 2002-10-25 | 2003-04-26 | 2003-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-10-25 | 2007-04-26 | 2007-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-10-25 | 2011-04-26 | 2011-10-26 | $7700.00 | Window Closed / Lapsed |