Patent US4517244A successfully refreshed from Google Patents.
US4517244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording medium and ink jet recording paper
Assignee: Canon Inc
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Filing: 1982-07-29
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Granted: 1985-05-14
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Expires: 2002-07-29
Abstract
Abstract A recording material comprises a base material containing a highly water-absorptive resin and being in the form of a film.
Inventors
- 👤 Masatsune Kobayashi
- 👤 Masahiro Haruta
- 👤 Tsuyoshi Eida
- 👤 Tokuya Ohta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:33
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5245; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/277
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
24 words
A recording medium comprising a substrate material including a highly water-absorptive resin having a water-absorbing capacity of 50 to 1000 times its own weight.
Claim 2
Dependent Claim
24 words
A recording medium comprising a substrate material including a highly water-absorptive resin having a water-absorbing capacity of 50 to 1000 times its own weight.
Claim 3
Dependent Claim
23 words
A recording medium according to claim 1, wherein said highly water-absorptive resin is a polyelectrolyte having cationic or anionic groups in the molecule.
Claim 4
Dependent Claim
25 words
A recording medium according to claim 1, wherein said highly water-absorptive resin is a powder having particle sizes in the range 0.02 to 100 μm.
Claim 5
Dependent Claim
31 words
A recording medium according to claim 1, wherein said highly water-absorptive resin is contained in an amount of 5 to 100 parts per 100 parts of the substrate material, by weight.
Claim 6
Dependent Claim
13 words
A recording medium according to claim 1, wherein the substrate material is pulp.
Claim 7
Dependent Claim
48 words
A recording medium comprising: a substrate material layer including a highly water-absorptive resin and a coating layer overlying said substrate material layer and containing a dye-absorptive high polymeric binder as a main component; said water-absorptive resin having a water-absorbing capacity of 50 to 1000 times its own weight.
Claim 8
Dependent Claim
48 words
A recording medium comprising: a substrate material layer including a highly water-absorptive resin and a coating layer overlying said substrate material layer and containing a dye-absorptive high polymeric binder as a main component; said water-absorptive resin having a water-absorbing capacity of 50 to 1000 times its own weight.
Claim 9
Dependent Claim
23 words
A recording medium according to claim 6, wherein said highly water-absorptive resin is a polyelectrolyte having cationic or anionic groups in the molecule.
Claim 10
Dependent Claim
27 words
A recording medium according to claim 6, wherein said highly water-absorptive resin is a powder having particle sizes in the range of from 0.02 to 100 μm.
Claim 11
Dependent Claim
31 words
A recording medium according to claim 6, wherein said highly water-absorptive resin is contained in an amount of 5 to 100 parts per 100 parts of the substrate material, by weight.
Claim 12
Dependent Claim
13 words
A recording medium according to claim 6, wherein the substrate material is pulp.
Claim 13
Dependent Claim
18 words
A recording medium according to claim 6, wherein said high polymeric binder is a cationic or anionic polymer.
Claim 14
Dependent Claim
17 words
A recording medium according to claim 6, wherein the coating layer contains a white or light-colored pigment.
Claim 15
Dependent Claim
27 words
A recording medium according to claim 6, wherein the coating weight of the coating layer is in the range of from 0.5 to 50 g/m 2 .
Claim 16
Dependent Claim
32 words
An ink jet recording paper having enhanced fixation rates comprising: a support matrix having therein a water insoluble resin having a water absorbing capacity from 50 to 1000 times its own weight.
Claim 17
Dependent Claim
32 words
An ink jet recording paper having enhanced fixation rates comprising: a support matrix having therein a water insoluble resin having a water absorbing capacity from 50 to 1000 times its own weight.
Claim 18
Dependent Claim
18 words
The paper of claim 14, wherein the weight ratio of resin to support is from 0.05:1 to 1:1.
References Cited (Backward Citations)
JPS5274340A
Cited
US4341839A
Cited
US4196253A
Cited
US4269891A
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JPS55146786A
Cited
JPS56157A
Cited
US4335184A
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US4371582A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-05-13 | 1988-11-12 | 1989-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-13 | 1992-11-12 | 1993-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-13 | 1996-11-12 | 1997-05-14 | $7700.00 | Window Closed / Lapsed |