US4208462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated structure comprising a layer of fluorinated polymer
Assignee: Solvay SA
•
Filing: 1979-05-10
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Granted: 1980-06-17
•
Expires: 1999-05-10
Abstract
Abstract A laminated structure which comprises a layer of polyvinylidene fluoride and a fabric which is hot-pressed onto this layer, wherein the fabric has synthetic fibres produced from a polymer which contains polar groups.
Inventors
- 👤 Rene Dauphin
- 👤 Nestor Maquet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B27/30; B32B27/304; B32B27/34; B32B27/36; B32B7/00; B32B7/04; B32B7/12; B32B2250/00; B32B2250/24; B32B2262/00; B32B2262/02; B32B2262/0261; B32B2262/0276; B32B2327/00; B32B2367/00; B32B2377/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T442/00; Y10T442/60; Y10T442/603; Y10T442/607; Y10T442/674; Y10T442/676
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
32 words
A laminated structure comprising a layer of polyvinylidene fluoride and a fabric which is hot-pressed onto this layer, wherein said fabric comprises synthetic fibres produced from a polymer which contains polar groups.
Claim 2
Dependent Claim
32 words
A laminated structure comprising a layer of polyvinylidene fluoride and a fabric which is hot-pressed onto this layer, wherein said fabric comprises synthetic fibres produced from a polymer which contains polar groups.
Claim 3
Dependent Claim
16 words
A laminated structure according to claim 1, wherein said polyvinylidene fluoride is a vinylidene fluoride homopolymer.
Claim 4
Dependent Claim
26 words
A laminated structure according to claim 1, wherein said polyvinylidene fluoride is a copolymer containing at least 50 mol % of units derived from vinylidene fluoride.
Claim 5
Dependent Claim
13 words
A laminated structure according to claim 1, wherein said fabric comprises polyamide fibres.
Claim 6
Dependent Claim
13 words
A laminated structure according to claim 2, wherein said fabric comprises polyamide fibres.
Claim 7
Dependent Claim
13 words
A laminated structure according to claim 3, wherein said fabric comprises polyamide fibres.
Claim 8
Dependent Claim
14 words
A laminated structure according to claim 1, wherein said fabric comprises thermoplastic polyester fibres.
Claim 9
Dependent Claim
14 words
A laminated structure according to claim 2, wherein said fabric comprises thermoplastic polyester fibres.
Claim 10
Dependent Claim
14 words
A laminated structure according to claim 3, wherein said fabric comprises thermoplastic polyester fibres.
Claim 11
Dependent Claim
21 words
A laminated structure according to claim 1, wherein said fabric has a weight of between 50 and 600 g/m 2 .
Claim 12
Dependent Claim
21 words
A laminated structure according to claim 2, wherein said fabric has a weight of between 50 and 600 g/m 2 .
Claim 13
Dependent Claim
21 words
A laminated structure according to claim 3, wherein said fabric has a weight of between 50 and 600 g/m 2 .
Claim 14
Dependent Claim
21 words
A laminated structure according to claim 4, wherein said fabric has a weight of between 50 and 600 g/m 2 .
Claim 15
Dependent Claim
21 words
A laminated structure according to claim 7, wherein said fabric has a weight of between 50 and 600 g/m 2 .
Claim 16
Dependent Claim
13 words
A laminated structure according to claim 1, wherein said synthetic fibres are textured.
Claim 17
Dependent Claim
13 words
A laminated structure according to claim 2, wherein said synthetic fibres are textured.
Claim 18
Dependent Claim
13 words
A laminated structure according to claim 3, wherein said synthetic fibres are textured.
Claim 19
Dependent Claim
13 words
A laminated structure according to claim 4, wherein said synthetic fibres are textured.
Claim 20
Dependent Claim
13 words
A laminated structure according to claim 7, wherein said synthetic fibres are textured.
Claim 21
Dependent Claim
13 words
A laminated structure according to claim 10, wherein said synthetic fibres are textured.
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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) | 1983-06-17 | 1983-12-17 | 1984-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-17 | 1987-12-17 | 1988-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-17 | 1991-12-17 | 1992-06-17 | $7700.00 | Window Closed / Lapsed |