US4929592A
Expired / Lapsed
US
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Heat transfer sheet
Assignee: DAI NIPPON INSATSU 1-1 ICHIGAYA-KAGA-CHO 1-CHOME SHINJUKU-KU TOKYO-TO JAPAN KK
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Filing: 1988-12-14
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Granted: 1990-05-29
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Expires: 2008-12-14
Abstract
Abstract A heat transfer sheet, comprising a base film and a dye layer formed on the base film, characterized in that an adhesive layer comprising an organic titanate is provided between said base film and said dye layer.
Inventors
- 👤 Jumpei Kanto
- 👤 Hiroshi Eguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:31
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/42; B41M5/426; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
63 words
A heat transfer sheet comprising a base film and a sublimable dye layer containing a binder formed on the base film, characterized in that an adhesive layer comprising an organic titanate is provided between said base film and said dye layer and wherein the weight ratio of the dye to the binder (dye/binder ratio) both constituting said dye layer is 1.4 or more.
Claim 2
Dependent Claim
63 words
A heat transfer sheet comprising a base film and a sublimable dye layer containing a binder formed on the base film, characterized in that an adhesive layer comprising an organic titanate is provided between said base film and said dye layer and wherein the weight ratio of the dye to the binder (dye/binder ratio) both constituting said dye layer is 1.4 or more.
Claim 3
Dependent Claim
25 words
A heat transfer sheet according to claim 1, wherein an adhesion stabilizing layer is further formed on at least one surface of said adhesive layer.
Claim 4
Dependent Claim
35 words
A heat transfer sheet according to claim 2, wherein an organic solvent is employed during formation of the dye layer, and wherein said adhesion stabilizing layer comprises a resin with low solubility in said solvent.
Claim 5
Dependent Claim
26 words
A heat transfer sheet according to claim 1, wherein the binder contained in said dye layer comprises a polyvinyl acetoacetal resin or a polyvinyl butyral resin.
Claim 6
Dependent Claim
29 words
A heat transfer sheet according to claim 4, wherein the weight ratio of the dye to the binder (dye/binder ratio) both constituting said dye layer is 1.75 or more.
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) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |