Patent US4877680A successfully refreshed from Google Patents.
US4877680A
Expired / Lapsed
US
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Recording medium with non-porous ink-receiving layer
Assignee: Canon Inc
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Filing: 1988-09-20
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Granted: 1989-10-31
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Expires: 2008-09-20
Abstract
Abstract A recording medium comprising a substrate and a non-porous ink receiving layer is provided. The ink receiving layer contains a water-insoluble polymer containing a cationic resin. The recording medium may be employed for recording by attaching droplets of a recording liquid thereon.
Inventors
- 👤 Mamoru Sakaki
- 👤 Ryuichi Arai
- 👤 Takashi Akiya
- 👤 Shigeo Toganoh
- 👤 Masahiko Higuma
- 👤 Naonobu Eto
- 👤 Hidemasa Mouri
- 👤 Michiaki Tobita
- 👤 Masahiko Ishida
- 👤 Shunzo Kono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:33
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5245; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31; Y10T428/31504; Y10T428/31855; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
51 words
A recording medium comprising a substrate and a non-porous ink receiving layer provided thereon, said ink receiving layer comprising a water-insoluble polymer complex and a cationic resin of 2 to 30% by weight based on said polymer complex, said polymer complex being formed from an acidic polymer and a basic polymer.
Claim 2
Dependent Claim
51 words
A recording medium comprising a substrate and a non-porous ink receiving layer provided thereon, said ink receiving layer comprising a water-insoluble polymer complex and a cationic resin of 2 to 30% by weight based on said polymer complex, said polymer complex being formed from an acidic polymer and a basic polymer.
Claim 3
Dependent Claim
27 words
The recording medium according to claim 1, wherein the weight ratio of the basic polymer and the acidic polymer is within the range of 20/1 to 1/10.
Claim 4
Dependent Claim
26 words
The recording medium according to claim 1, wherein each of the basic polymer and the acidic polymer has a molecular weight of not less than 500.
Claim 5
Dependent Claim
20 words
The recording medium according to claim 1, wherein said recording medium has a linear transmittance of not less than 10%.
Claim 6
Dependent Claim
30 words
The recording medium according to claim 1, wherein the ink receiving surface of said recording medium has a 45° specular gloss of at least 30% according to JIS Z 8741.
Claim 7
Dependent Claim
18 words
The recording medium according to claim 1, wherein said cationic resin is a polydiallylamine derivative or an acrylamide.
Claim 8
Dependent Claim
24 words
The recording medium according to claim 1, wherein the ink receiving layer has a thickness in the range of from 1 to 200 μm.
Claim 9
Dependent Claim
24 words
The recording medium according to claim 1, wherein the ink receiving layer has a thickness in the range of from 3 to 100 μm.
Claim 10
Dependent Claim
24 words
The recording medium according to claim 1, wherein the ink receiving layer has a thickness in the range of from 5 to 30 μm.
Claim 11
Dependent Claim
27 words
The recording medium according to claim 1, wherein the cationic resin is contained in an amount of 3 to 20% by weight based on the water-insoluble polymer.
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) | 1992-10-30 | 1993-05-01 | 1993-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-30 | 1997-05-01 | 1997-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-30 | 2001-05-01 | 2001-10-31 | $7700.00 | Window Closed / Lapsed |