US5407893A
Expired / Lapsed
US
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Material for making identification cards
Assignee: Konica Minolta Inc
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Filing: 1993-08-19
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Granted: 1995-04-18
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Expires: 2013-08-19
Abstract
Abstract An ID card material comprises a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, the substrate layer comprising a biaxially oriented polyester film layer having a thickness of 300 to 500 μm and a resin layer having a thickness of 30 to 500 μm selected from the group consisting of a polyolefin layer, a polyvinyl chloride type resin film layer and an ABS resin film layer.
Inventors
- 👤 Kunihiro Koshizuka
- 👤 Shigehiro Kitamura
- 👤 Masataka Takimoto
- 👤 Tomonori Kawamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:18
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/45; B42D25/465; B42D25/47; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/41; B41M5/42; B41M5/50; B41M5/52; B41M7/00; B41M7/0054; B41M7/009; B42D25/20; B42D25/23; B41M5/44; B41M5/5254; B42D2033/30; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
75 words
An ID card material comprising a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, wherein the substrate layer comprises a biaxially oriented polyester film layer having a thickness of 300 to 500 μm and a resin layer having a thickness of 30 to 350 μm selected from the group consisting of a polyolefin layer, a polyvinyl chloride resin film layer and an ABS resin film layer.
Claim 2
Dependent Claim
75 words
An ID card material comprising a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, wherein the substrate layer comprises a biaxially oriented polyester film layer having a thickness of 300 to 500 μm and a resin layer having a thickness of 30 to 350 μm selected from the group consisting of a polyolefin layer, a polyvinyl chloride resin film layer and an ABS resin film layer.
Claim 3
Dependent Claim
53 words
The material of claim 1, wherein a white opaque layer is provided between the thermal transfer image-receiving layer and the substrate layer, between layers constituting the substrate layer or between the substrate layer and the writing layer, the white opaque layer comprising white pigment in an amount of 0.5 to 50% by weight.
Claim 4
Dependent Claim
24 words
The material of claim 1, wherein the biaxially oriented polyester film layer comprises white pigment in an amount of 0.5 to 50% by weight.
Claim 5
Dependent Claim
23 words
The material of claim 3, wherein an adhesive layer is further provided between the thermal transfer image receiving layer and the substrate layer.
Claim 6
Dependent Claim
47 words
The material of claim 3, wherein a white opaque layer is provided between the thermal transfer image-receiving layer and the substrate layer or between the substrate layer and the writing layer, the white opaque layer comprising white pigment in an amount of 0.5 to 50% by weight.
Claim 7
Dependent Claim
25 words
The material of claim 1, wherein the substrate layer comprises the biaxially oriented polyester film layer and the resin layer provided on each side thereof.
Claim 8
Dependent Claim
21 words
The material of claim 6, wherein the resin layer contains white pigment in an amount of 0.5 to 50% by weight.
Claim 9
Dependent Claim
17 words
The material of claim 6, wherein the resin layer is a polyethylene layer or a polypropylene layer.
Claim 10
Dependent Claim
26 words
The material of claim 8, wherein an adhesive layer is provided between the polyethylene layer or the polypropylene layer and the biaxially oriented polyester film layer.
Claim 11
Dependent Claim
24 words
The material of claim 9, wherein the biaxially oriented polyester film layer comprises white pigment in an amount of 0.5 to 50% by weight.
Claim 12
Dependent Claim
21 words
The material of claim 9, wherein the resin layer contains white pigment in an amount of 0.5 to 50% by weight.
Claim 13
Dependent Claim
43 words
An ID card material comprising a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, wherein the substrate layer consists of a biaxially oriented polyester film layer having a thickness of 300 to 500 μm.
Claim 14
Dependent Claim
43 words
An ID card material comprising a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, wherein the substrate layer consists of a biaxially oriented polyester film layer having a thickness of 300 to 500 μm.
Claim 15
Dependent Claim
135 words
A process of producing an ID card comprising the steps of: forming an image by a thermal transfer recording method on a thermal transfer image-receiving layer of an ID card material; providing a protective layer on the formed image; coating an ultraviolet-curable resin on the image-receiving layer; and irradiating ultraviolet ray to the coated resin layer to cure the resin, the ID card material comprising a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, wherein the substrate layer comprises a biaxially oriented polyester film layer having a thickness of 300 to 500 μm and a resin layer having a thickness of 30 to 500 μm selected from the group consisting of a polyolefin layer, a polyvinyl chloride resin film layer and an ABS resin film layer.
Claim 16
Dependent Claim
135 words
A process of producing an ID card comprising the steps of: forming an image by a thermal transfer recording method on a thermal transfer image-receiving layer of an ID card material; providing a protective layer on the formed image; coating an ultraviolet-curable resin on the image-receiving layer; and irradiating ultraviolet ray to the coated resin layer to cure the resin, the ID card material comprising a thermal transfer image-receiving layer, and provided thereon, a substrate layer and a writing layer in this order, wherein the substrate layer comprises a biaxially oriented polyester film layer having a thickness of 300 to 500 μm and a resin layer having a thickness of 30 to 500 μm selected from the group consisting of a polyolefin layer, a polyvinyl chloride resin film layer and an ABS resin film layer.
References Cited (Backward Citations)
US5252531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-17 | 1998-10-17 | 1999-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-17 | 2002-10-17 | 2003-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-17 | 2006-10-17 | 2007-04-18 | $7700.00 | Window Closed / Lapsed |