US4481244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material used to bear writing or printing
Assignee: Canon Inc
•
Filing: 1983-01-21
•
Granted: 1984-11-06
•
Expires: 2003-01-21
Abstract
Abstract A material used to bear writing or printing, which comprises a substrate and a coating layer formed thereon of a coating material containing a polymer having both hydrophilic segments and hydrophobic segments.
Inventors
- 👤 Masahiro Haruta
- 👤 Takashi Hamamoto
- 👤 Shigeo Toganoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/502; B41M5/506; B41M5/508; B41M5/5218; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/27; Y10T428/273; Y10T428/277
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
41 words
A material used to bear writing or printing, which comprises a substrate of a recording paper suitable for ink jet recording and a coating layer formed thereon of a coating material containing a polymer having both hydrophilic segments and hydrophobic segments.
Claim 2
Dependent Claim
41 words
A material used to bear writing or printing, which comprises a substrate of a recording paper suitable for ink jet recording and a coating layer formed thereon of a coating material containing a polymer having both hydrophilic segments and hydrophobic segments.
Claim 3
Dependent Claim
15 words
A material according to claim 1, wherein said coating material contains further porous inorganic powder.
Claim 4
Dependent Claim
15 words
A material according to claim 1, wherein said substrate is constituted of a porous material.
Claim 5
Dependent Claim
21 words
A material according to claim 1, wherein said hydrophobic segments of the polymer have the affinity for coloring matter including dye.
Claim 6
Dependent Claim
20 words
A material according to claim 1, wherein said coating layer is formed of a resin coating material capable of film-forming.
Claim 7
Dependent Claim
24 words
A material according to claim 1, wherein said coating layer is formed of a resin coating material capable of film-forming which contains a surfactant.
Claim 8
Dependent Claim
33 words
A material according to claim 1, wherein said coating layer is formed by coating the substrate with a coating material to give a dry coating weight of 1 to 10 g/m 2 .
References Cited (Backward Citations)
US3190765A
Cited
GB1007469A
Cited
US3377191A
Cited
US3922427A
Cited
US4346142A
Cited
US4371582A
Cited
US4425405A
Cited
US4440827A
Cited
US4442172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-06 | 1988-05-07 | 1988-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-06 | 1992-05-07 | 1992-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-06 | 1996-05-07 | 1996-11-06 | $7700.00 | Window Closed / Lapsed |