US6027210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink-jet recording process using liquid formulation and ink in combination
Assignee: Canon Inc
•
Filing: 1997-07-25
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Granted: 2000-02-22
•
Expires: 2017-07-25
Abstract
Abstract Provided is an ink-jet recording process for forming a color image on a recording medium using a liquid formulation and a color ink in combination, wherein the liquid formulation contains a cationic polymer having a weight-average molecular weight in the range of from 400 to 1,400, and the liquid formulation and the ink are each ejected from a recording head having an ink ejection volume per dot of from 2 to 25 picolitters.
Inventors
- 👤 Yutaka Kurabayashi
- 👤 Yoshifumi Hattori
- 👤 Mayumi Yamamoto
- 👤 Yoshihisa Takizawa
- 👤 Shinya Mishina
- 👤 Shinichi Sato
- 👤 Mikio Sanada
- 👤 Katsuhiko Takahashi
- 👤 Eriko Ono
- 👤 Masashi Ogasawara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/0011; B41J; B41J2/00; B41J2/005; B41J2/01; B41M5/0017
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
71 words
An ink-jet recording process for forming a color image on a recording medium using a liquid formulation and a color ink in combination, wherein said liquid formulation contains a cationic polymer having a weight-average molecular weight in the range of from 400 to 1,400, and said liquid formulation and said ink are each ejected from a recording head having an ink ejection volume per dot of from 2 to 25 picolitters.
Claim 2
Dependent Claim
71 words
An ink-jet recording process for forming a color image on a recording medium using a liquid formulation and a color ink in combination, wherein said liquid formulation contains a cationic polymer having a weight-average molecular weight in the range of from 400 to 1,400, and said liquid formulation and said ink are each ejected from a recording head having an ink ejection volume per dot of from 2 to 25 picolitters.
Claim 3
Dependent Claim
14 words
The ink-jet recording process according to claim 1, wherein said cationic polymer is polyallylamine.
Claim 4
Dependent Claim
23 words
The ink-jet recording process according to claim 1, wherein said liquid formulation further contains a quaternary amine having 8 or more carbon atoms.
Claim 5
Dependent Claim
15 words
The ink-jet recording process according to claim 3, wherein said quaternary amine is benzalkonium chloride.
Claim 6
Dependent Claim
15 words
The ink-jet recording process according to claim 1, wherein said ink is an aqueous ink.
Claim 7
Dependent Claim
25 words
The ink-jet recording process according to claim 1, wherein said liquid formulation further contains a triethylene glycol monoalkyl ether or a diethylene glycol monoalkyl ether.
Claim 8
Dependent Claim
17 words
The ink-jet recording process according to claim 1, wherein said liquid formulation is an aqueous liquid formulation.
Claim 9
Dependent Claim
33 words
The ink-jet recording process according to claim 6, wherein said triethylene glycol monoalkyl ether or diethylene glycol monoalkyl ether is contained in an amount ranging from 0.5% by weight to 5% by weight.
Claim 10
Dependent Claim
15 words
The ink-jet recording process according to claim 1, wherein said liquid formulation further contains glycerol.
Claim 11
Dependent Claim
23 words
The ink-jet recording process according to claim 1, wherein said liquid formulation has a pH in the range of from 3 to 11.
Claim 12
Dependent Claim
23 words
The ink-jet recording process according to claim 1, wherein said liquid formulation has a pH in the range of from 6 to 9.
Claim 13
Dependent Claim
36 words
The ink-jet recording process according to claim 1, wherein said ink comprises a plurality of inks used in combination which are selected from the group consisting of yellow ink, magenta ink, cyan ink and black ink.
Claim 14
Dependent Claim
22 words
The ink-jet recording process according to claim 1, wherein said ink is an aqueous ink containing a dye having an anionic group.
Claim 15
Dependent Claim
22 words
The ink-jet recording process according to claim 1, wherein said ink is an aqueous ink containing an anionic compound and a pigment.
Claim 16
Dependent Claim
21 words
The ink-jet recording process according to claim 1, wherein said liquid formulation is ejected prior to the ejection of said ink.
Claim 17
Dependent Claim
20 words
The ink-jet recording process according to claim 1, wherein said liquid formulation is ejected after the ejection of said ink.
Claim 18
Dependent Claim
27 words
The ink-jet recording process according to claim 1, wherein ejection of said ink, ejection of said liquid formulation and ejection of said ink are successively carried out.
Claim 19
Dependent Claim
25 words
The ink-jet recording process according to claim 1, wherein said recording head ejects said liquid formulation and said ink by applying heat energy to them.
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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) | 2003-02-21 | 2003-08-23 | 2004-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-21 | 2007-08-23 | 2008-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-21 | 2011-08-23 | 2012-02-22 | $7700.00 | Window Closed / Lapsed |