Patent US4785313A successfully refreshed from Google Patents.
US4785313A
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Recording medium and image formation process using the same
Assignee: Canon Inc
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Filing: 1986-10-16
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Granted: 1988-11-15
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Expires: 2006-10-16
Abstract
Abstract A recording medium is provided which comprises an ink transporting layer and an ink retaining layer. There is also provided a process for forming images on a recording medium comprising a heat or pressure-fusible ink transporting layer and an ink retaining layer, which comprises applying recording droplets to the ink transporting layer of the recording medium, and thereafter fusing the ink transporting layer to a substrate.
Inventors
- 👤 Masahiko Higuma
- 👤 Ryuichi Arai
- 👤 Mamoru Sakaki
- 👤 Takashi Akiya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:53
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M7/00; B41M7/0027; B41M7/0081; B41M7/009; B41M5/502; B41M5/506; B41M5/508
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
21 words
A recording medium comprising a light-transmissive ink retaining layer and a light-diffusive ink transporting layer respectively provided on a light-transmissive substrate.
Claim 2
Dependent Claim
21 words
A recording medium comprising a light-transmissive ink retaining layer and a light-diffusive ink transporting layer respectively provided on a light-transmissive substrate.
Claim 3
Dependent Claim
26 words
A recording medium, comprising a light-transmissive ink retaining layer and a heat or pressure fusible and light-diffusive ink transporting layer respectively provided on a light-transmissive substrate.
Claim 4
Dependent Claim
26 words
A recording medium, comprising a light-transmissive ink retaining layer and a heat or pressure fusible and light-diffusive ink transporting layer respectively provided on a light-transmissive substrate.
Claim 5
Dependent Claim
16 words
The recording medium according to claim 1 or 2, wherein said ink transporting layer is porous.
Claim 6
Dependent Claim
16 words
The recording medium according to claim 1 or 2, wherein said ink retaining layer is non-porous.
Claim 7
Dependent Claim
21 words
The recording medium according to claim 1 or 2, wherein said ink retaining layer comprises a cationic resin or hydrophilic polymer.
Claim 8
Dependent Claim
23 words
The recording medium according to claim 1 or 2, wherein said ink retaining layer has higher absorbing power than said ink transporting layer.
Claim 9
Dependent Claim
17 words
The recording medium according to claim 1 or 2, wherein said ink transporting layer has communicated holes.
Claim 10
Dependent Claim
17 words
The recording medium according to claim 1 or 2, wherein said ink transporting layer has fissures therein.
Claim 11
Dependent Claim
24 words
The recording medium according to claim 1 or 2, wherein said ink transporting layer has a thickness ranging between 1 μm and 300 μm.
Claim 12
Dependent Claim
24 words
The recording medium according to claim 1 or 2, wherein said ink transporting layer has a thickness ranging between 5 μm and 200 μm.
Claim 13
Dependent Claim
24 words
The recording medium according to claim 1 or 2, wherein said ink transporting layer has a thickness ranging between 10 μm and 150 μm.
Claim 14
Dependent Claim
24 words
The recording medium according to claim 1 or 2, wherein said ink retaining layer has a thickness ranging between 1 μm and 70 μm.
Claim 15
Dependent Claim
24 words
The recording medium according to claim 1 or 2, wherein said ink retaining layer has a thickness ranging between 2 μm and 50 μm.
Claim 16
Dependent Claim
24 words
The recording medium according to claim 1 or 2, wherein said ink retaining layer has a thickness ranging between 3 μm and 20 μm.
Claim 17
Dependent Claim
23 words
A recording medium according to claim 1, wherein said ink retaining layer has higher dyeability to a dye than the ink transporting layer.
Claim 18
Dependent Claim
31 words
A recording medium, comprising a light-transmissive ink retaining layer and a light-diffusive ink transporting layer respectively provided on a light-transmissive substrate, said ink transporting layer containing non-dyeable particles and a binder.
Claim 19
Dependent Claim
31 words
A recording medium, comprising a light-transmissive ink retaining layer and a light-diffusive ink transporting layer respectively provided on a light-transmissive substrate, said ink transporting layer containing non-dyeable particles and a binder.
Claim 20
Dependent Claim
27 words
The recording medium according to claim 16, wherein the weight ratio of said particles to said binder constituting the ink transporting layer ranges between 1/3 and 70/1.
Claim 21
Dependent Claim
27 words
The recording medium according to claim 16, wherein the weight ratio of said particles to said binder constituting the ink transporting layer ranges between 1/1 and 50/1.
Claim 22
Dependent Claim
27 words
The recording medium according to claim 16, wherein the weight ratio of said particles to said binder constituting the ink transporting layer ranges between 3/1 and 20/1.
Claim 23
Dependent Claim
14 words
The recording medium according to claim 16, wherein said ink transporting layer is porous.
Claim 24
Dependent Claim
14 words
The recording medium according to claim 16, wherein said ink retaining layer is non-porous.
Claim 25
Dependent Claim
20 words
The recording medium according to claim 16, wherein said ink retaining layer comprises a cationic resin or a hydrophilic polymer.
Claim 26
Dependent Claim
21 words
The recording medium according to claim 16, wherein said ink retaining layer has higher absorbing power than said ink transporting layer.
Claim 27
Dependent Claim
22 words
The recording medium according to claim 16, wherein said ink transporting layer has a thickness ranging between 1 μm and 300 μm.
Claim 28
Dependent Claim
22 words
The recording medium according to claim 16, wherein said ink transporting layer has a thickness ranging between 5 μm and 200 μm.
Claim 29
Dependent Claim
22 words
The recording medium according to claim 16, wherein said ink transporting layer has a thickness ranging between 10 μm and 150 μm.
Claim 30
Dependent Claim
22 words
The recording medium according to claim 16, wherein said ink retaining layer has a thickness ranging between 1 μm and 70 μm.
Claim 31
Dependent Claim
22 words
The recording medium according to claim 16, wherein said ink retaining layer has a thickness ranging between 2 μm and 50 μm.
Claim 32
Dependent Claim
22 words
The recording medium according to claim 16, wherein said ink retaining layer has a thickness ranging between 3 μm and 20 μm.
Claim 33
Dependent Claim
42 words
A process for forming an image by applying droplets of an aqueous ink containing a water-soluble dye on a recording medium, said recording medium comprising a light-transmissive ink retaining layer and a light-diffusive ink transporting layer respectively provided on a light-transmissive substrate.
Claim 34
Dependent Claim
42 words
A process for forming an image by applying droplets of an aqueous ink containing a water-soluble dye on a recording medium, said recording medium comprising a light-transmissive ink retaining layer and a light-diffusive ink transporting layer respectively provided on a light-transmissive substrate.
Claim 35
Dependent Claim
27 words
The process for forming an image according to claim 30, wherein said recording liquid contains a dye at a concentration of 0.1 to 20 percent by weight.
Claim 36
Dependent Claim
22 words
The process for forming an image according to claim 30, wherein the image is formed using yellow, magenta, cyan and black ink.
Claim 37
Dependent Claim
73 words
A process for forming an image, comprising applying ink onto a recording medium having a light-diffusive ink transporting layer and a light-transmissive ink retaining layer from the side of the ink transporting layer to form an image, the optical density (A) of the image as measured from the side of the ink retaining layer being higher than the optical density (B) of the image as measured from the side of the ink-transporting layer.
Claim 38
Dependent Claim
73 words
A process for forming an image, comprising applying ink onto a recording medium having a light-diffusive ink transporting layer and a light-transmissive ink retaining layer from the side of the ink transporting layer to form an image, the optical density (A) of the image as measured from the side of the ink retaining layer being higher than the optical density (B) of the image as measured from the side of the ink-transporting layer.
Claim 39
Dependent Claim
26 words
The process according to claim 33, wherein said recording medium comprises the ink retaining layer and the ink transporting layer which are provided on a substrate.
Claim 40
Dependent Claim
19 words
The process according to claim 33, wherein the ratio of optical density (A)/optical density (B) is 1.2 or more.
Claim 41
Dependent Claim
19 words
The process according to claim 33, wherein the ratio of optical density (A)/optical density (B) is 1.5 or more.
Claim 42
Dependent Claim
19 words
The process according to claim 33, wherein the ratio of optical density (A)/optical density (B) is 2.0 or more.
Claim 43
Dependent Claim
55 words
A process for forming images on a recording medium comprising a heat- or pressure-fusible and light-diffusive ink transporting layer and a light-transmissive ink retaining layer respectively provided on a light-transmissive substrate, which comprises applying recording droplets to said ink transporting layer of the recording medium, and thereafter fusing said ink transporting layer to said substrate.
Claim 44
Dependent Claim
55 words
A process for forming images on a recording medium comprising a heat- or pressure-fusible and light-diffusive ink transporting layer and a light-transmissive ink retaining layer respectively provided on a light-transmissive substrate, which comprises applying recording droplets to said ink transporting layer of the recording medium, and thereafter fusing said ink transporting layer to said substrate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-15 | 1992-05-16 | 1992-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-15 | 1996-05-16 | 1996-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-15 | 2000-05-16 | 2000-11-15 | $7700.00 | Window Closed / Lapsed |