US5208110A
Expired / Lapsed
US
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Security cards
Assignee: Huntsman Advanced Materials Americas LLC
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Filing: 1989-06-19
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Granted: 1993-05-04
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Expires: 2009-06-19
Abstract
Abstract A security card comprises a data-carrying sheet having a gelatin layer thereon and a transparent polymeric film having a gelatin layer thereon, said sheet and said film being bonded together by an adhesive composition polymerized between and in contact with the gelatin layers, the adhesive composition comprising a carboxylic acid having at least one polymerizable acrylic group.
Inventors
- 👤 Terence J. Smith
- 👤 Edward Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:34
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/45; B42D25/465; B42D25/47; B32; B32B; B32B37/00; B32B37/12; G; G03; G03C; G03C11/00; G03C11/08; B32B2310/00; B32B2310/08; B32B2310/0806; B32B2310/0831; B32B2425/00; B42D2033/04; B42D2033/28; B42D2033/30; B42D2033/32; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10S428/915; Y10S428/916; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24884; Y10T428/31504; Y10T428/31507; Y10T428/31511; Y10T428/31515; Y10T428/31551; Y10T428/31565; Y10T428/31573; Y10T428/31576; Y10T428/31725; Y10T428/3175; Y10T428/31754; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31786; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
57 words
A security card comprising a data-carrying sheet having a gelatin layer thereon and a transparent polymeric film having a gelatin layer thereon, said sheet and said film being bonded together by an adhesive composition polymerized between and in contact with the gelatin layers, the adhesive composition comprising a carboxylic acid having at least one polymerizable acrylic group.
Claim 2
Dependent Claim
57 words
A security card comprising a data-carrying sheet having a gelatin layer thereon and a transparent polymeric film having a gelatin layer thereon, said sheet and said film being bonded together by an adhesive composition polymerized between and in contact with the gelatin layers, the adhesive composition comprising a carboxylic acid having at least one polymerizable acrylic group.
Claim 3
Dependent Claim
22 words
A card according to claim 1, in which the carboxylic acid is a monoacrylic compound having from 3 to 30 carbon atoms.
Claim 4
Dependent Claim
75 words
A card according to claim 2, in which the carboxylic acid is of formula CH.sub.2 ═C(R.sup.1)--COOR.sup.2 I where R 1 denotes a hydrogen atom or a methyl group, R 2 denotes a hydrogen atom or a group of formula --R 3 --COOH, and R 3 denotes an alkylene group having 1 to 4 carbon atoms or a group of formula --(CH.sub.2 --CH(R.sup.1)COO).sub.n CH.sub.2 CH(R.sup.1)-- II where n denotes an integer of from 1 to 6.
Claim 5
Dependent Claim
55 words
A card according to claim 3, in which R 1 denotes a hydrogen atom and R 2 denotes a hydrogen atom or a group of formula --CH 2 CH 2 COOH, or R 1 denotes a methyl group and R 2 denotes a hydrogen atom or a group of formula --CH 2 CH(CH 3 )COOH.
Claim 6
Dependent Claim
33 words
A card according to claim 1, in which the adhesive composition also contains a further acrylic material which is a polyfunctional material having, on average, more than one polymerizable acrylic group per molecule.
Claim 7
Dependent Claim
33 words
A card according to claim 3, in which the adhesive composition also contains a further acrylic material which is a polyfunctional material having, on average, more than one polymerizable acrylic group per molecule.
Claim 8
Dependent Claim
27 words
A card according to claim 5, in which the polyfunctional material is an ester of an epoxide resin with a carboxylic acid having a polymerizable acrylic group.
Claim 9
Dependent Claim
27 words
A card according to claim 6, in which the polyfunctional material is an ester of an epoxide resin with a carboxylic acid having a polymerizable acrylic group.
Claim 10
Dependent Claim
23 words
A card according to claim 7, in which the polyfunctional material is an ester of an epoxide resin with acrylic or methacrylic acid.
Claim 11
Dependent Claim
23 words
A card according to claim 8, in which the polyfunctional material is an ester of an epoxide resin with acrylic or methacrylic acid.
Claim 12
Dependent Claim
31 words
A card according to claim 7, in which the adhesive composition also contains an ester of the epoxide resin with a saturated monocarboxylic acid having from 6 to 20 carbon atoms.
Claim 13
Dependent Claim
31 words
A card according to claim 8, in which the adhesive composition also contains an ester of the epoxide resin with a saturated monocarboxylic acid having from 6 to 20 carbon atoms.
Claim 14
Dependent Claim
47 words
A card according to claim 1, in which the adhesive composition contains a mixture of the carboxylic acid and a polyfunctional material having, on average, more than one polymerizable acrylic group per molecule, the weight ratio of carboxylic acid to polyfunctional material being from 1:1.5 to 10:1.
Claim 15
Dependent Claim
28 words
A card according to claim 1, in which the adhesive composition also contains a photopolymerization initiator for the acrylic group and is polymerized by subjection to photopolymerizing radiation.
Claim 16
Dependent Claim
31 words
A card according to claim 14, in which the adhesive composition also contains a free radical polymerization initiator and is polymerized by subjection to photopolymerizing radiation followed by free radical polymerization.
Claim 17
Dependent Claim
25 words
A card according to claim 1, in which the adhesive composition also contains a free radical polymerization initiator and is polymerized by free radical polymerization.
Claim 18
Dependent Claim
20 words
A card according to claim 1, in which the transparent polymeric film is of a polyester or a cellulose triacetate.
Claim 19
Dependent Claim
16 words
A card according to claim 1, in which the data-carrying sheet is a sheet of paper.
Claim 20
Dependent Claim
33 words
A card according to claim 1, in which the data-carrying sheet has a gelatin layer on each face and a transparent polymeric film as specified in claim 1 is bonded to each face.
Claim 21
Dependent Claim
29 words
A card according to claim 1, obtained by pressing the transparent polymeric film and the data-carrying sheet together, with the adhesive composition sandwiched between them, in a laminating apparatus.
References Cited (Backward Citations)
US3125455A
Cited
US3623944A
Cited
GB1435686A
Cited
US4389472A
Cited
US4455359A
Cited
US4788102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-05-03 | 1996-11-02 | 1997-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-05-03 | 2000-11-02 | 2001-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-05-03 | 2004-11-02 | 2005-05-04 | $7700.00 | Window Closed / Lapsed |