Patent US5019550A successfully refreshed from Google Patents.
US5019550A
Expired / Lapsed
US
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Sublimation type thermosensitive image transfer recording medium, and thermosensitive recording method using the same
Assignee: Ricoh Co Ltd
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Filing: 1989-07-13
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Granted: 1991-05-28
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Expires: 2009-07-13
Abstract
Abstract A sublimation type thermosensitive image transfer recording medium comprising a support; a dye supplying layer formed on the support, comprising a sublimable dye and an organic binder agent in which the sublimable dye is dispersed; and an image transfer facilitating layer formed on the dye supplying layer, comprising said sublimable dye, an organic binder agent in which said sublimable dye is dispersed, and a lubricant or releasing material having lubricant or releasing properties, which is dispersed in the image transfer facilitating layer or present on the surface of said image transfer facilitating layer, and a thermosensitive image transfer recording process using the sublimation type thermosensitive image transfer recording medium are disclosed.
Inventors
- 👤 Akira Suzuki
- 👤 Hidehiro Mochizuki
- 👤 Masaru Shimada
- 👤 Hiroyuki Uemura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:15
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/42; B41M5/44; B41M5/443; B41M5/382; B41M5/38228; B41M5/392; B41M5/395; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
94 words
A sublimation type thermosensitive image transfer recording medium comprising: a support; a dye supplying layer formed on said support, comprising a sublimable dye and an organic binder agent in which said sublimable dye is dispersed; and an image transfer facilitating layer formed on said dye supplying layer, comprising said sublimable dye, an organic binder agent in which said sublimable dye is dispersed, and a lubricant or releasing material having lubricant or releasing properties, which is dispersed in said image transfer facilitating layer or present on the outer surface of said image transfer facilitating layer.
Claim 2
Dependent Claim
94 words
A sublimation type thermosensitive image transfer recording medium comprising: a support; a dye supplying layer formed on said support, comprising a sublimable dye and an organic binder agent in which said sublimable dye is dispersed; and an image transfer facilitating layer formed on said dye supplying layer, comprising said sublimable dye, an organic binder agent in which said sublimable dye is dispersed, and a lubricant or releasing material having lubricant or releasing properties, which is dispersed in said image transfer facilitating layer or present on the outer surface of said image transfer facilitating layer.
Claim 3
Dependent Claim
39 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said sublimable dye is selected from the group consisting of disperse dyes and oil-soluble dyes which are volatile or sublimed at 60° C. or more.
Claim 4
Dependent Claim
61 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said organic binder agent is selected from the group consisting of vinyl chloride resin, vinyl acetate resin, polyamide, polyethylene, polycarbonate, polystyrene, polypropylene, acrylic resin, phenolic resin, polyester, polyurethane, epoxy resin, silicone resin, fluorine-contained resin, butyral resin, melamine resin, natural rubber, synthetic rubber, polyvinyl alcohol, and cellulose resins.
Claim 5
Dependent Claim
44 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein the concentration of said sublimable dye contained in said dye supplying layer is 1.1 to 5 times the concentration of said sublimable dye contained in said image transfer facilitating layer.
Claim 6
Dependent Claim
28 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said dye supplying layer further comprises a filler in the form of finely-divided particles.
Claim 7
Dependent Claim
33 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 5, wherein said filler is a metal oxide selected from the group consisting of zinc oxide, tin oxide and aluminum oxide.
Claim 8
Dependent Claim
29 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 5, wherein said filler is a metal selected from the group consisting of aluminum, copper and cobalt.
Claim 9
Dependent Claim
37 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 5, wherein said filler is an organic material selected from the group consisting of diatomaceous earth, Molecular Sieves, phenolic resin, epoxy resin, and carbon black.
Claim 10
Dependent Claim
44 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 5, wherein said filler is a needle-like pigment selected from the group consisting of ochre, Chrome Yellow G, Phthalocyaine Blue, Lithol Red, BON Maroon Light, terra abla, needle zinc oxide, 2,7-bis[2-hydroxy-3-(2-chlorophenylcarbamoyl)-naphthalene-1-ylazo]-9-fluorenone, 4',4"-bis[2-hydroxy-3-(2,4-dimethylphenyl)carbamoylnaphthalene-1-ylazo]-1,4-distyrylbenezene.
Claim 11
Dependent Claim
53 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said lubricant or releasing material is selected from the group consisting of a petroleum lubricating oil, a synthetic lubricating oil, a silicone oil, a silicone lubricating material, a fluorine-containing surface active agent, a fluorine-containing lubricating material, and a wax.
Claim 12
Dependent Claim
21 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said petroleum lubricating oil is liquid paraffin.
Claim 13
Dependent Claim
33 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said synthetic lubricating oil is selected from the group consisting of diester oil, silicone oil and fluorine-containing silicone oil.
Claim 14
Dependent Claim
37 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said silicone oil is selected from the group consisting of epoxy silicone oil, amino silicone oil, alkyl silicone oil and polyether silicone oil.
Claim 15
Dependent Claim
21 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said silicone lubricating material is polyoxyalkylene glycol.
Claim 16
Dependent Claim
23 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said fluorine-containing surface active agent is a fluoroalkyl compound.
Claim 17
Dependent Claim
26 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said fluorine-containing lubricating material is a low-molecular weight polymer of chloroethylene trifluoride.
Claim 18
Dependent Claim
28 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 10, wherein said wax is selected from the group consisting of paraffin wax and polyethylene wax.
Claim 19
Dependent Claim
44 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said lubricant or releasing material is selected from the group consisting of higher fatty acids, higher aliphatic alcohols, higher aliphatic amides, higher aliphatic esters, and salts of higher fatty acids.
Claim 20
Dependent Claim
48 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said lubricant or releasing material is dispersed or dissolved in a heat-resistant resin having a glass transition point of 100° C. or more and a melting or softening point of 200° C. or more.
Claim 21
Dependent Claim
46 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 19, wherein said heat-resistant resistant resin is a thermosetting resin selected from the group consisting of epoxy resin, silicone resin, xylene resin, urea resin, melamine resin, unsaturated polyester resin, alkyd resin and furan resin.
Claim 22
Dependent Claim
35 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 19, wherein said heat-resistant resin is a thermoplastic resin selected from the group consisting of acetylcellulose, acetylbutylcellulose, polysulfone, polycarbonate, polystyrene and acryl resin.
Claim 23
Dependent Claim
36 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said support is made of a resin which is substantially the same as said organic binder agent in said dye supplying layer.
Claim 24
Dependent Claim
40 words
The sublimation type thermosensitive image transfer recording medium as claimed in claim 1, wherein said support is backed by a heat-resistant-releasing layer containing as its main component a polysiloxane grafted polymer on the side opposite to said dye supplying layer.
Claim 25
Dependent Claim
77 words
A thermosensitive image transfer recording process comprising the steps of: superimposing the sublimation type thermosensitive image transfer recording medium as claimed in claim 1 on a receiving sheet; and applying heat imagewise to said sublimation type thermosensitive image transfer recording medium so as to imagewise transfer said sublimable dye from said recording medium to said receiving sheet by a heat application recording means as said recording medium and said receiving sheet are moved at an equal speed.
Claim 26
Dependent Claim
93 words
A thermosensitive image transfer recording process comprising the steps of: superimposing the sublimation type thermosensitive image transfer recording medium as claimed in claim 1 on a receiving sheet; and applying heat imagewise to said sublimation type thermosensitive image transfer recording medium so as to imagewise transfer said sublimable dye from said recording medium to said receiving sheet by a heat application recording means as said recording medium and said receiving sheet are moved in such a manner that the running speed of said recording medium is smaller than that of said receiving sheet.
References Cited (Backward Citations)
EP0192435A2
Cited
US4720480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-05-27 | 1994-11-26 | 1995-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-27 | 1998-11-26 | 1999-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-27 | 2002-11-26 | 2003-05-28 | $7700.00 | Window Closed / Lapsed |