US5432145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective layer transfer sheet
Assignee: Dai Nippon Printing Co Ltd
•
Filing: 1993-06-25
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Granted: 1995-07-11
•
Expires: 2013-06-25
Abstract
Abstract A protective layer transfer sheet, including a heat-resistant layer provided on one surface of a substrate film, and an adhesive layer, a releasable protective layer, and a heat seal layer laminated in this order on the other surface of the substrate film.
Inventors
- 👤 Katsuyuki Oshima
- 👤 Hideo Fujimura
- 👤 Jitsuhiko Ando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:42
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/405; B42D25/415; B32; B32B; B32B38/00; B32B38/14; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5227; B42D25/42; B32B2425/00; B42D25/30; B42D25/309; B42D25/36; B42D25/369; B42D25/425; Y; Y10; Y10S; Y10S283/00; Y10S283/904; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
63 words
A protective layer transfer sheet, comprising: a substrate film; a heat-resistant layer provided on one surface of said substrate film an adhesive layer laminated on the other surface of said substrate film; a releasable protective layer laminated on said adhesive layer, said releasable protective layer comprising a transparent resin and a wax; and a heat seal layer laminated on said releasable protective layer.
Claim 2
Dependent Claim
63 words
A protective layer transfer sheet, comprising: a substrate film; a heat-resistant layer provided on one surface of said substrate film an adhesive layer laminated on the other surface of said substrate film; a releasable protective layer laminated on said adhesive layer, said releasable protective layer comprising a transparent resin and a wax; and a heat seal layer laminated on said releasable protective layer.
Claim 3
Dependent Claim
33 words
The protective layer transfer sheet of claim 1, wherein said heat seal layer comprises at least one member selected from the group consisting of vinyl chloride-vinyl acetate copolymers, acryl resins, and polyamide resins.
Claim 4
Dependent Claim
32 words
The protective layer transfer sheet of claim 2, wherein said releasable protective layer further comprises at least one material selected from the group consisting of acrylic resins, silicone resins, and fluorine resins.
Claim 5
Dependent Claim
19 words
The protective layer transfer sheet of claim 2, wherein said heat seal layer further comprises acryl-vinyl chloride-vinyl acetate copolymers.
Claim 6
Dependent Claim
34 words
The protective layer transfer sheet of claim 1, wherein said adhesive layer comprises a resin selected from the group consisting of a polyester resin, polyurethane resin, acrylpolyol resin, and vinyl chloride-vinyl acetate copolymer resin.
Claim 7
Dependent Claim
18 words
The protective layer transfer sheet of claim 1, wherein said heat seal layer comprises acryl-vinyl chloride-vinyl acetate copolymers.
Claim 8
Dependent Claim
38 words
The protective layer transfer sheet of claim 1, wherein said wax is present in said releasable protective layer in an amount ranging from 0.5 to 20 parts by weight per 100 parts by weight of said transparent resin.
Claim 9
Dependent Claim
30 words
The protective layer transfer sheet of claim 1, further comprising at least one of a sublimation type dye layer and a melt transfer ink layer provided on said substrate film.
Claim 10
Dependent Claim
53 words
A protective layer transfer sheet comprising: a substrate film; and a protective layer releasably provided on said substrate film, said protective layer comprising a wax and a transparent resin, said wax being present in an amount ranging from 0.5 to 20 parts by weight per 100 parts by weight of said transparent resin.
Claim 11
Dependent Claim
53 words
A protective layer transfer sheet comprising: a substrate film; and a protective layer releasably provided on said substrate film, said protective layer comprising a wax and a transparent resin, said wax being present in an amount ranging from 0.5 to 20 parts by weight per 100 parts by weight of said transparent resin.
Claim 12
Dependent Claim
30 words
The protective layer transfer sheet of claim 9, further comprising at least one of a sublimation type dye layer and a melt transfer ink layer provided on said substrate film.
Claim 13
Dependent Claim
32 words
The protective layer transfer sheet of claim 9, wherein said releasable protective layer further comprises at least one material selected from the group consisting of acrylic resins, silicone resins, and fluorine resins.
Claim 14
Dependent Claim
35 words
A protective layer transfer sheet comprising: a substrate film; a protective layer releasably provided on said substrate film, said protective layer comprising a wax; and a heat seal layer provided on said releasable protective layer.
Claim 15
Dependent Claim
35 words
A protective layer transfer sheet comprising: a substrate film; a protective layer releasably provided on said substrate film, said protective layer comprising a wax; and a heat seal layer provided on said releasable protective layer.
Claim 16
Dependent Claim
18 words
The protective layer transfer sheet of claim 12, wherein said heat seal layer comprises acryl-vinyl chloride-vinyl acetate copolymers.
Claim 17
Dependent Claim
34 words
The protective layer transfer sheet of claim 12, wherein said heat seal layer further comprises at least one member selected from the group consisting of vinyl chloride-vinyl acetate copolymers, acryl resins, and polyamide resins.
Claim 18
Dependent Claim
32 words
The protective layer transfer sheet of claim 12, wherein said releasable protective layer further comprises at least one material selected from the group consisting of acrylic resins, silicone resins, and fluorine resins.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-07-10 | 1999-01-09 | 1999-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-07-10 | 2003-01-09 | 2003-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-07-10 | 2007-01-09 | 2007-07-11 | $7700.00 | Window Closed / Lapsed |