US3738949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pinhole resistant nylon film
Assignee: Honeywell International Inc
•
Filing: 1972-02-18
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Granted: 1973-06-12
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Expires: 1992-02-18
Abstract
Abstract A SELF-SUPPORTING, PINHOLE RESISTANT POLYCAPROAMIDE FILM COMPRISING POLYEPSILON CAPROLACTAM RESIN HAVING A WATER CONTENT OF 0.04 TO 0.12% BY WEIGHT, EPISOL CAPROLACTAM MONOMER PRESENT IN AN AMOUNT OF 4 TO 6% BY WEIGHT, AND HEAT STABILIZER COMPRISING 40 TO 50 P.P.M. CUPRIC CHLORIDE AND 0.20 TO 0.30% BY WEIGHT POTASSIUM IODIDE.
Inventors
- 👤 E Schonberg
- 👤 G Pap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:02
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/02; C08K; C08K3/00; C08K3/16
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) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |