US4636409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording medium
Assignee: Canon Inc
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Filing: 1984-09-13
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Granted: 1987-01-13
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Expires: 2004-09-13
Abstract
Abstract An ink-jet recording medium is characterized in that the recording surface thereof is formed of a mixture of at least a filler and parts of a fibrous base material and that parts of the fiber composing the fibrous base material are laid very closely to the recording surface.
Inventors
- 👤 Ryuichi Arai
- 👤 Shigeo Toganoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:23
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/502; B41M5/506; B41M5/508; B41M5/5218; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/2438; Y10T428/24388; Y10T428/24413; Y10T428/24421; Y10T428/2443; Y10T428/24802; Y10T428/24893; Y10T428/24934; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/259; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
53 words
An ink-jet recording medium comprising a layer of fibrous material having filler particles bound thereto providing at the surface of the recording medium a recording surface layer containing a mixture of said filler particles and said fibrous material, wherein said layer of fibrous material comprises a base layer underlying said recording surface layer.
Claim 2
Dependent Claim
53 words
An ink-jet recording medium comprising a layer of fibrous material having filler particles bound thereto providing at the surface of the recording medium a recording surface layer containing a mixture of said filler particles and said fibrous material, wherein said layer of fibrous material comprises a base layer underlying said recording surface layer.
Claim 3
Dependent Claim
23 words
The ink-jet recording medium of claim 1, wherein the sizes of the filler particles are in the range of 0.05 to 50 μm.
Claim 4
Dependent Claim
13 words
The ink-jet recording medium of claim 1, wherein the base layer is paper.
Claim 5
Dependent Claim
20 words
The ink-jet recording medium of claim 1, wherein a binder is interposed between the filler particles and the fibrous material.
Claim 6
Dependent Claim
36 words
The ink-jet recording medium of claim 1, wherein the filler particles consist of the least one member selected from silica, clay, talc, kaolin, diatomaceous earth, calcium carbonate, calcium sulfate, satin white, aluminum silicate, alumina, and zeolite.
Claim 7
Dependent Claim
24 words
The ink-jet recording medium of claim 1, wherein the thickness of the recording surface lever is in the range of 0.5 to 10 μm.
Claim 8
Dependent Claim
21 words
The ink-jet recording medium of claim 1, wherein the layer of fibrous material is a superficial layer of a paper sheet.
Claim 9
Dependent Claim
33 words
The ink-jet recording medium of claim 1, wherein at least some of said filler particles and at least some of said fibrous material are exposed at the surface of said recording surface layer.
Claim 10
Dependent Claim
48 words
The ink-jet recording medium of claim 1, wherein at least some of said filler particles and at least some of said fibrous material are exposed at the surface of said recording layer and said filler particles are bound to the surface of said base layer by a binder.
Claim 11
Dependent Claim
17 words
The ink-jet recording medium of claim 1, further comprising a bottom support layer underlaying said base layer.
Claim 12
Dependent Claim
20 words
The ink-jet recording medium of claim 10, wherein said bottom support layer includes a material different from said base layer.
Claim 13
Independent Claim
69 words
A method of ink-jet recording comprising the steps of: providing an ink-jet recording medium comprising a layer of fibrous material having filler particles bound thereto providing at the surface of the recording medium a recording surface layer containing a mixture of said filler particles and said fibrous material, wherein said layer of fibrous material comprises a base layer underlying said recording surface layer; and depositing ink on said medium.
Claim 14
Independent Claim
69 words
A method of ink-jet recording comprising the steps of: providing an ink-jet recording medium comprising a layer of fibrous material having filler particles bound thereto providing at the surface of the recording medium a recording surface layer containing a mixture of said filler particles and said fibrous material, wherein said layer of fibrous material comprises a base layer underlying said recording surface layer; and depositing ink on said medium.
Claim 15
Dependent Claim
23 words
The ink-jet recording method of claim 12, wherein said depositing step including forming droplets of ink of a plurality of colors, including black.
Claim 16
Dependent Claim
33 words
The ink-jet recording method of claim 12, wherein at least some of said filler particles and at least some of said fibrous material are exposed at the surface of said recording surface layer.
Claim 17
Dependent Claim
49 words
The ink-jet recording method of claim 12, wherein at least some of said filler particles and at least some of said fibrous materials are exposed at the surface of said recording surface layer and said filler particles are bound to the surface of said base layer by a binder.
Claim 18
Dependent Claim
17 words
The ink-jet recording method of claim 12, further comprising a bottom support layer underlying said base layer.
Claim 19
Dependent Claim
20 words
The ink-jet recording method of claim 16, wherein said bottom support layer includes a material different from said base layer.
References Cited (Backward Citations)
US4496629A
Cited
US4481244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-01-12 | 1990-07-14 | 1991-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-12 | 1994-07-14 | 1995-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-12 | 1998-07-14 | 1999-01-13 | $7700.00 | Window Closed / Lapsed |