Patent US4880678A successfully refreshed from Google Patents.
US4880678A
Expired / Lapsed
US
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Dry transfer sheet
Assignee: Miroglio Tessile SpA
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Filing: 1988-06-20
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Granted: 1989-11-14
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Expires: 2008-06-20
Abstract
Abstract A dry transfer sheet comprises a colored film adhering to a backing sheet with the interposition of a layer or release varnish. The colored film includes a pigment, an acrylic polymer, a cycloaliphatic epoxy resin, a vinyl copolymer, a polyethylene wax, and the layer of release varnish includes an acrylic polymer, a vinyl copolymer and a polypropylene wax.
Inventors
- 👤 Italo Goffi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:48
CPC Classifications
B; B41; B41M; B41M5/00; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1712; B44C1/1716; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/28; Y10T428/2839; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928; Y10T428/31935
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
100 words
A dry transfer sheet comprising a coloured film adhering to a backing sheet with the interposition of a layer of release varnish, characterized in that the coloured film includes from 30 to 50% by weight after curing of pigment, from 15 to 35% of acrylic polymer, from 1 to 4% of cycloaliphatic epoxy resin, from 15 to 35% of vinyl copolymer, from 1 to 4% of polyethylene wax, and in that the layer of release varnish includes from 40 to 80% of the acrylic polymer, from 15 to 40% of vinyl copolymer and from 5 to 20% of polypropylene wax.
Claim 2
Dependent Claim
100 words
A dry transfer sheet comprising a coloured film adhering to a backing sheet with the interposition of a layer of release varnish, characterized in that the coloured film includes from 30 to 50% by weight after curing of pigment, from 15 to 35% of acrylic polymer, from 1 to 4% of cycloaliphatic epoxy resin, from 15 to 35% of vinyl copolymer, from 1 to 4% of polyethylene wax, and in that the layer of release varnish includes from 40 to 80% of the acrylic polymer, from 15 to 40% of vinyl copolymer and from 5 to 20% of polypropylene wax.
Claim 3
Dependent Claim
22 words
A sheet according to claim 1, characterized in that the coloured film also includes from 0.5 to 3% of dibutylethane carboxylate-based stabiliser.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-13 | 1993-05-15 | 1993-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-13 | 1997-05-15 | 1997-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-13 | 2001-05-15 | 2001-11-14 | $7700.00 | Window Closed / Lapsed |