US3705128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame resistant polymers containing amide complexes of metal salts
Assignee: EIDP Inc
•
Filing: 1971-07-23
•
Granted: 1972-12-05
•
Expires: 1991-07-23
Abstract
Abstract FLAME RESISTANT POLYMERS, SUCH AS HALOGENATED POLYESTERS AND POLYVINYL CHLORIDE CONTAINING AMIDE COMPLEXES OF CERTAIN METAL SALTS SUCH AS ZINC CHLORIDE-DIMETHYL FORMAMIDE, AND ARTICLES SUCH AS MOLDED BODIES, FILMS, ETC. OF SUCH FLAME RESISTANT POLYMERS.
Inventors
- 👤 Richard N Knowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |