US4518645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer type heat sensitive recording medium
Assignee: Fujifilm Business Innovation Corp
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Filing: 1983-09-13
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Granted: 1985-05-21
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Expires: 2003-09-13
Abstract
Abstract A transfer type heat sensitive recording medium includes a base member and an ink layer formed thereon of a colored ink which is adapted to be fluidized or sublimated at a predetermined temperature higher than room temperature. The surface of the ink layer is covered with a coating layer of a coating material which is adapted to be dissolved into the ink layer or sublimated when heated at a temperature higher than a predetermined temperature.
Inventors
- 👤 Haruhiko Moriguchi
- 👤 Toshiharu Inui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:42
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/42; B41M5/423; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
75 words
A transfer type heat sensitive recording medium comprising a base sheet, an ink layer on one surface of said base sheet of a colored ink which is adapted to be fluidized or sublimated at a predetermined temperature higher than room temperature, and a coating layer on said ink layer of a coating material which is adapted to be dissolved into said ink layer or sublimated when heated at a temperature higher than said predetermined temperature.
Claim 2
Dependent Claim
75 words
A transfer type heat sensitive recording medium comprising a base sheet, an ink layer on one surface of said base sheet of a colored ink which is adapted to be fluidized or sublimated at a predetermined temperature higher than room temperature, and a coating layer on said ink layer of a coating material which is adapted to be dissolved into said ink layer or sublimated when heated at a temperature higher than said predetermined temperature.
Claim 3
Dependent Claim
73 words
A transfer type heat sensitive recording medium as set forth in claim 1 wherein said base sheet is comprised of condenser paper or polyester film having a thickness from 10 to 15 μm, said ink layer is comprised of wax, a coloring agent and a softening agent having a thickness from 3 to 8 μm and said coating layer is comprised of a wax material having a thickness from 0.5 to 3 μm.
References Cited (Backward Citations)
US4058644A
Cited
US4444808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-05-20 | 1988-11-19 | 1989-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-20 | 1992-11-19 | 1993-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-20 | 1996-11-19 | 1997-05-21 | $7700.00 | Window Closed / Lapsed |