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EP0331125A2
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Recording medium and ink jet recording method by use thereof
Assignee: Canon Inc
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Filing: 1989-02-28
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Granted: —
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Expires: 2009-02-28
Abstract
Abstract A recording medium comprises a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity. A recording medium comprises a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity, and having a Stöckigt sizing degree according to JIS-P-8122 of 0 to 15 sec. An ink jet recording method performs recording by imparting small droplets of an aqueous ink to a recording medium, wherein said aqueous ink contains an acidic dye and/or a direct dye, and said recording medium comprises a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity. A recording medium comprising a surface layer composed mainly of aluminum oxide particles containing polyaluminum hydroxide and/or polyaluminum chloride and a lower layer having ink absorptivity. A recording medium comprises a surface layer composed mainly of aluminum oxide particles having particle sizes of 5 µm or less provided on a liquid absorptive base paper.
Inventors
- 👤 Mamoru Sakaki
- 👤 Masako Shimomura
- 👤 Megumi Munakata
- 👤 Tomomi Nakatsugawa
- 👤 Horoshi Sato
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 13:43
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/502; B41M5/52; B41M5/5218
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
20 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity.
Claim 2
Dependent Claim
20 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity.
Claim 3
Dependent Claim
26 words
A recording medium according to Claim 1, wherein the aluminum oxide particles have a BET surface area within the range of from 60 to 170 m²/g.
Claim 4
Dependent Claim
22 words
A recording medium according to Claim 1, wherein the aluminum oxide particles have an average particle size of 5 µm or less.
Claim 5
Dependent Claim
22 words
A recording medium according to Claim 1, wherein the aluminum oxide particles have an average particle size of 1 µm or less.
Claim 6
Dependent Claim
24 words
A recording medium according to Claim 1, wherein the aluminum oxide particles comprise 80% by weight of all the pigments in the surface layer.
Claim 7
Dependent Claim
25 words
A recording medium according to Claim 1, wherein the amount of the surface layer coated is within the range of from 0.3 to 9 g/m².
Claim 8
Dependent Claim
27 words
A recording medium according to Claim 1, wherein the lower layer is a paper having a Stöckigt sizing degree according to JIS-P-8122 of 0 to 15 sec.
Claim 9
Dependent Claim
19 words
A recording medium according to Claim 1, wherein the lower layer is a layer composed mainly of a pigment.
Claim 10
Dependent Claim
34 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity, and having a Stöckigt sizing degree according to JIS-P-8122 of 0 to 15 sec.
Claim 11
Dependent Claim
34 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity, and having a Stöckigt sizing degree according to JIS-P-8122 of 0 to 15 sec.
Claim 12
Dependent Claim
26 words
A recording medium according to Claim 9, wherein the aluminum oxide particles have a BET surface area within the range of from 60 to 170 m²/g.
Claim 13
Dependent Claim
22 words
A recording medium according to Claim 9, wherein the aluminum oxide particles have an average particle size of 5 µm or less.
Claim 14
Dependent Claim
22 words
A recording medium according to Claim 9, wherein the aluminum oxide particles have an average particle size of 1 µm or less.
Claim 15
Dependent Claim
24 words
A recording medium according to Claim 9, wherein the aluminum oxide particles comprise 80% by weight of all the pigments in the surface layer.
Claim 16
Dependent Claim
25 words
A recording medium according to Claim 9, wherein the amount of the surface layer coated is within the range of from 0.3 to 9 g/m².
Claim 17
Dependent Claim
27 words
A recording medium according to Claim 9, wherein the lower layer is a paper having a Stöckigt sizing degree according to JIS-P-8122 of 0 to 15 sec.
Claim 18
Dependent Claim
19 words
A recording medium according to Claim 9, wherein the lower layer is a layer composed mainly of a pigment.
Claim 19
Dependent Claim
53 words
An ink jet recording method which performs recording by imparting small droplets of an aqueous ink to a recording medium, wherein said aqueous ink contains an acidic dye and/or a direct dye, and said recording medium comprises a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity.
Claim 20
Dependent Claim
53 words
An ink jet recording method which performs recording by imparting small droplets of an aqueous ink to a recording medium, wherein said aqueous ink contains an acidic dye and/or a direct dye, and said recording medium comprises a surface layer composed mainly of aluminum oxide particles and a lower layer having ink absorptivity.
Claim 21
Dependent Claim
27 words
An ink jet recording method according to Claim 17, wherein said small droplets of the ink are formed by permitting heat energy to act on the ink.
Claim 22
Dependent Claim
26 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles containing polyaluminum hydroxide and/or polyaluminum chloride and a lower layer having ink absorptivity.
Claim 23
Dependent Claim
26 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles containing polyaluminum hydroxide and/or polyaluminum chloride and a lower layer having ink absorptivity.
Claim 24
Dependent Claim
26 words
A recording medium according to Claim 19, wherein the aluminum oxide particles have a BET surface area within the range of from 60 to 170 m²/g.
Claim 25
Dependent Claim
22 words
A recording medium according to Claim 19, wherein the aluminum oxide particles have an average particle size of 5 µm or less.
Claim 26
Dependent Claim
22 words
A recording medium according to Claim 19, wherein the aluminum oxide particles have an average particle size of 1 µm or less.
Claim 27
Dependent Claim
24 words
A recording medium according to Claim 19, wherein the aluminum oxide particles comprise 80% by weight of all the pigments in the surface layer.
Claim 28
Dependent Claim
25 words
A recording medium according to Claim 19, wherein the amount of the surface layer coated is within the range of from 0.3 to 9 g/m².
Claim 29
Dependent Claim
27 words
A recording medium according to Claim 19, wherein the lower layer is a paper having a Stöckigt sizing degree according to JIS-P-8122 of 0 to 15 sec.
Claim 30
Dependent Claim
28 words
A recording medium according to Claim 19, wherein said polyaluminum hydroxide and/or polyaluminum chloride is contained in an amount within the range of from 0.01 to 5 g/m².
Claim 31
Dependent Claim
28 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles having particle sizes of 5 µm or less provided on a liquid absorptive base paper.
Claim 32
Dependent Claim
28 words
A recording medium, comprising a surface layer composed mainly of aluminum oxide particles having particle sizes of 5 µm or less provided on a liquid absorptive base paper.
Claim 33
Dependent Claim
17 words
A recording medium according to Clam 27, having a Stöckigt sizing degree of 0 to 15 sec.
Claim 34
Dependent Claim
17 words
A recording medium according to Clam 27, having a Stöckigt sizing degree of 0 to 15 sec.
Claim 35
Dependent Claim
20 words
A recording medium according to Claim 27, wherein said aluminum oxide particles have particle sizes of 1 µm or less.
Claim 36
Dependent Claim
24 words
A recording medium according to Claim 27, wherein the aluminum oxide particles comprises 80% by weight of all the pigments in the surface layer.
Claim 37
Dependent Claim
25 words
A recording medium according to Claim 27, wherein the amount of the surface layer coated is within the range of from 0.3 to 7 g/m².
Claim 38
Dependent Claim
26 words
A recording medium according to Claim 27, wherein said aluminum oxide particles have a BET surface area within the range of from 60 to 170 m²/g.
References Cited (Backward Citations)
No citation records indexed.
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