US3779982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric layer composition
Assignee: Dow Chemical Co
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Filing: 1971-08-19
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Granted: 1973-12-18
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Expires: 1991-08-19
Abstract
Abstract A DIELECTRIC LAYER FOR USE ON ELECTROCONDUCTIVE PAPERS, PARTICULARLY AT RELATIVELY HIGH HUMIDITIES, CONSISTING OF 15 TO 85 VOLUME PERCENT OF A COPOLYMER OF VINYLIDENE CHLORIDE AND AT LEAST ONE OTHER OLEFINICALLY UNSATURATED MONOMER, 8 TO 77 VOLUME PERCENT OF AN EPOXY RESIN HAVING AN EPOXY EQUIVALENT WEIGHT BETWEEN 400 AND 60,000, AND, OPTIONALLY, 0 TO 42 VOLUME PERCENT OF A PIGMENT.
Inventors
- 👤 C Camp
- 👤 R Lindblom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:54
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/0202; G03G5/0205; G03G5/0208; G03G5/0211; G03G5/0217; H; H01; H01B; H01B3/00; H01B3/002; H01B3/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |