US3786114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally stable flame retardant polycarbonate composition containing in admixture a polycarbonate and a phosphinic or a phosphoric acid additive
Assignee: General Electric Co
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Filing: 1972-01-03
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Granted: 1974-01-15
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Expires: 1992-01-03
Abstract
Abstract A THERMALLY STABLE FLAME RETARDANT POLYCARBONATE COMPOSITION HAVING IN ADMIXTURE A FLAME RETARDANT POLYCARBONATE AND AN ADDITIVE WHICH MAY BE EITHER THE BARIUM OR CADMIUM SALTS OF EITHER PHENYL PHOSPHINIC ACIDS OR MONO-OR DIPHENYL PHOSPHERIC ACIDS.
Inventors
- 👤 D Jaquiss
- 👤 F Liberti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/523; C08K5/53; C08K5/5313
Claims Analysis
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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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |