US4738949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-security identification card obtained by thermal dye transfer
Assignee: Eastman Kodak Co
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Filing: 1986-12-29
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Granted: 1988-04-19
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Expires: 2006-12-29
Abstract
Abstract A dye-receiving element and process for producing a high-security, monolithic identification card, the element comprising a support having thereon a dye image-receiving layer adapted to receive a thermally-transferred dye image, the dye image-receiving layer containing indicia printed thereon approximately 40-120 μm in width.
Inventors
- 👤 Gurdip S. Sethi
- 👤 Stephen D. Marshall
- 👤 David E. Wenschhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:35
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/14; B41M5/00; B41M5/50; B41M5/52; B41M5/5263; B41M5/5272; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10S428/915; Y10S428/916; Y10S430/00; Y10S430/142; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/31786
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
41 words
A dye-receiving element for producing a high-security, monolithic identification card, said element comprising a support having thereon a dye image-receiving layer adapted to receive a thermally-transferred dye image, said dye image-receiving layer containing indicia printed thereon approximately 40-120 μm in width.
Claim 2
Dependent Claim
41 words
A dye-receiving element for producing a high-security, monolithic identification card, said element comprising a support having thereon a dye image-receiving layer adapted to receive a thermally-transferred dye image, said dye image-receiving layer containing indicia printed thereon approximately 40-120 μm in width.
Claim 3
Dependent Claim
24 words
The element of claim 1 wherein said dye image-receiving layer comprises a polycarbonate having a number average molecular weight of at least about 25,000.
Claim 4
Dependent Claim
14 words
The element of claim 1 wherein said lines are printed with an ultraviolet-curable ink.
Claim 5
Dependent Claim
30 words
The element of claim 1 wherein said lines are printed using a letterpress or offset printing press to produce a lay-down thickness of ink of about 1 to 2 μm.
Claim 6
Dependent Claim
17 words
The element of claim 1 wherein said support is poly(ethylene terephthalate) having a white pigment incorporated therein.
Claim 7
Dependent Claim
61 words
A process of producing a high-security, monolithic identification card comprising: (a) printing indicia approximately 40-120 μm in width onto a dye-receiving element comprising a support having thereon a dye image-receiving layer; (b) imagewise-heating a dye-donor element comprising a support having thereon a dye layer; and (c) transferring a dye image to said dye-receiving element to form said high-security, monolithic identification card.
Claim 8
Dependent Claim
61 words
A process of producing a high-security, monolithic identification card comprising: (a) printing indicia approximately 40-120 μm in width onto a dye-receiving element comprising a support having thereon a dye image-receiving layer; (b) imagewise-heating a dye-donor element comprising a support having thereon a dye layer; and (c) transferring a dye image to said dye-receiving element to form said high-security, monolithic identification card.
Claim 9
Dependent Claim
24 words
The process of claim 6 wherein said dye image-receiving layer comprises a polycarbonate having a number average molecular weight of at least about 25,000.
Claim 10
Dependent Claim
14 words
The process of claim 6 wherein said lines are printed with an ultraviolet-curable ink.
Claim 11
Dependent Claim
30 words
The process of claim 6 wherein said lines are printed using a letterpress or offset printing press to produce a lay-down thickness of ink of about 1 to 2 μm.
Claim 12
Dependent Claim
21 words
The process of claim 6 wherein said support of said dye-receiving element is poly(ethylene terephthalate) having a white pigment incorporated therein.
Claim 13
Dependent Claim
48 words
The process of claim 6 wherein said support for the dye-donor element comprises poly(ethylene terephthalate) which is coated with sequential repeating areas of cyan, magenta and yellow dye, and said process steps (b) and (c) are sequentially performed for each color to obtain a three-color dye transfer image.
Claim 14
Dependent Claim
27 words
A high-security, monolithic identification card comprising a support having thereon printed indicia approximately 40-120 μm in width and a dye image-receiving layer containing a thermally-transferred dye image.
Claim 15
Dependent Claim
27 words
A high-security, monolithic identification card comprising a support having thereon printed indicia approximately 40-120 μm in width and a dye image-receiving layer containing a thermally-transferred dye image.
Claim 16
Dependent Claim
24 words
The card of claim 12 wherein said dye image-receiving layer comprises a polycarbonate having a number average molecular weight of at least about 25,000.
Claim 17
Dependent Claim
14 words
The card of claim 12 wherein said lines are printed with an ultraviolet-curable ink.
Claim 18
Dependent Claim
30 words
The card of claim 12 wherein said lines are printed using a letterpress or offset printing press to produce a lay-down thickness of ink of about 1 to 2 μm.
Claim 19
Dependent Claim
17 words
The card of claim 12 wherein said support is poly(ethylene terephthalate) having a white pigment incorporated therein.
Claim 20
Dependent Claim
16 words
The card of claim 12 wherein said thermally-transferred dye image comprises cyan, magenta and yellow dyes.
Claim 21
Dependent Claim
77 words
A thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a binder, and (b) a dye-receiving element comprising a support having thereon a dye image-receiving layer, said dye-receiving element being in a superposed relationship with said dye-donor element so that said dye layer is in contact with said dye image-receiving layer, said dye image-receiving layer containing indicia printed thereon approximately 40-120 μm in width.
Claim 22
Dependent Claim
77 words
A thermal dye transfer assemblage comprising: (a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a binder, and (b) a dye-receiving element comprising a support having thereon a dye image-receiving layer, said dye-receiving element being in a superposed relationship with said dye-donor element so that said dye layer is in contact with said dye image-receiving layer, said dye image-receiving layer containing indicia printed thereon approximately 40-120 μm in width.
Claim 23
Dependent Claim
40 words
The assemblage of claim 18 wherein said support of said dye-receiving element is poly(ethylene terephthalate) having a white pigment incorporated therein and said dye image-receiving layer comprises a polycarbonate having a number average molecular weight of at least about 25,000.
Claim 24
Dependent Claim
34 words
The assemblage of claim 18 wherein said lines are printed with an ultraviolet-curable ink using a letterpress or offset printing press to produce a lay-down thickness of ink of about 1 to 2 μm.
References Cited (Backward Citations)
US4629215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-04-19 | 1991-10-19 | 1992-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-04-19 | 1995-10-19 | 1996-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-04-19 | 1999-10-19 | 2000-04-19 | $7700.00 | Window Closed / Lapsed |