EP0822094A2
Expired / Lapsed
EP
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Ink-jet recording process using a liquid formulation containing cationic polymer and an ink in combination
Assignee: Canon Inc
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Filing: 1997-07-29
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Granted: —
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Expires: 2017-07-29
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 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. <IMAGE>
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
EP
Data Source
google_patents
Last Synchronized
2026-10-31 13:37
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/0011; B41J; B41J2/00; B41J2/005; B41J2/01; B41M5/0017
Claims Analysis
Total Claims: 18
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
14 words
The ink-jet recording process according to claim
1, wherein said cationic polymer is polyallylamine.
Claim 3
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 4
Dependent Claim
15 words
The ink-jet recording process according to claim
3, wherein said quaternary amine is benzalkonium chloride.
Claim 5
Dependent Claim
15 words
The ink-jet recording process according to claim
1, wherein said ink is an aqueous ink.
Claim 6
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 7
Dependent Claim
17 words
The ink-jet recording process according to claim
1, wherein said liquid formulation is an aqueous liquid
formulation.
Claim 8
Dependent Claim
35 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 9
Dependent Claim
15 words
The ink-jet recording process according to claim
1, wherein said liquid formulation further contains
glycerol.
Claim 10
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 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 6 to 9.
Claim 12
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 13
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 14
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 15
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 16
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 17
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 18
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.
References Cited (Backward Citations)
No citation records indexed.
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