US4572847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recording with ink on a material comprising a substrate having thereon a coating layer with micro-cracks
Assignee: Canon Inc
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Filing: 1984-10-31
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Granted: 1986-02-25
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Expires: 2004-10-31
Abstract
Abstract A recording paper characterized by comprising a substrate coated with a layer finely divided by micro-cracks of irregular form into numerous lamellae. This paper quickly fixes the coloring matter of ink by capturing it with the lamellae and also quickly absorbs the solvent of ink through the micro-cracks into the substrate.
Inventors
- 👤 Masahiro Haruta
- 👤 Takashi Hamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:59
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; D; D21; D21H; D21H19/00; D21H19/36; D21H19/38; D21H19/40; D21H19/44; D21H19/56; B41M5/502; B41M5/508; B41M5/5218; B41M5/5227; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/25; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
77 words
A process of recording with ink having coloring matter and a solvent, said process comprising the steps of: providing a recording material that comprises a substrate and a coating layer thereon, said coating layer having a plurality of micro-cracks therein through which liquid can pass; capturing the coloring matter of the ink by absorption in the coating layer; and passing the solvent of the ink through the micro-cracks in the coating layer for absorption by the substrate.
Claim 2
Dependent Claim
77 words
A process of recording with ink having coloring matter and a solvent, said process comprising the steps of: providing a recording material that comprises a substrate and a coating layer thereon, said coating layer having a plurality of micro-cracks therein through which liquid can pass; capturing the coloring matter of the ink by absorption in the coating layer; and passing the solvent of the ink through the micro-cracks in the coating layer for absorption by the substrate.
Claim 3
Dependent Claim
15 words
A process according to claim 1 wherein the substrate is made of a porous material.
Claim 4
Dependent Claim
20 words
A process according to claim 1, wherein the coating layer is made of a resin coating material capable of film-forming.
Claim 5
Dependent Claim
17 words
A process according to claim 1, wherein the width of each of the micro-cracks is several microns.
Claim 6
Dependent Claim
18 words
A process according to claim 1, wherein the coating layer is capable of absorbing coloring matter including dyestuff.
Claim 7
Dependent Claim
31 words
A process according to claim 1, wherein the coating layer is formed by coating the substrate with a coating material to give a dry coating weight of 1/10 G/M 2 .
Claim 8
Dependent Claim
29 words
A process according to claim 1, wherein the coating layer is made of a resin coating material capable of film-forming, the resin coating material including a porous inorganic powder.
Claim 9
Dependent Claim
27 words
A process according to claim 7, wherein the coating layer is made of a resin coating material capable of film-forming, the resin coating material including a surfactant.
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) | 1989-02-24 | 1989-08-26 | 1990-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-24 | 1993-08-26 | 1994-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-24 | 1997-08-26 | 1998-02-25 | $7700.00 | Window Closed / Lapsed |