US3579370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite layered tetrahaloethylene structure
Assignee: EIDP Inc
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Filing: 1969-10-01
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Granted: 1971-05-18
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Expires: 1989-10-01
Abstract
Abstract A COATING IS PROVIDED WHICH IS SELF-ADHERENT TO A SURFACE OF TETRAHALOETHYLENE POLYMER, E.G., POLYTETRAFLUOROETHYLENE, TO MAKE THE POLYMER SURFACE EITHER MORE PRINTABLE OR TO SERVE AS AN ADHESIVE FOR A COATING, E.G., POLYVINYLIDENE FLUORIDE, WHICH PROTECTS THE POLYMER SURFACE. IN ONE EMBODIMENT, THE COATING COMPRISES A BLEND OF 10 TO 90 PERCENT BY WEIGHT OF A COPOLYMER OF TETRAFLUORETHYLENE HEXAFLUOROPROPYLENE AND THE REMAINDER, TO TOTAL 100 PERCENT, OF POLYVINYLIDENE FLUORIDE.
Inventors
- 👤 John Oliver Punderson
- 👤 Miguel Jacinto Roura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/04; B32; B32B; B32B27/00; C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/16; C09D127/18; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; H01B3/445; H01B7/00; H01B7/02; H01B7/0208; C08; C08L; C08L27/00; C08L27/02; C08L27/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31652; Y10T428/31667; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |