Patent US3769367A successfully refreshed from Google Patents.
US3769367A
Expired / Lapsed
US
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Color-stabilized polycarbonate composition
Assignee: General Electric Co
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Filing: 1972-06-14
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Granted: 1973-10-30
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Expires: 1992-06-14
Abstract
Abstract A THERMALLY STABLE, STREAK-RESISTANT POLYCARBONATE COMPOSITION COMPRISES AN AROMATIC POLYCARBONATE CONTAINING A STABILIZING AMOUNT OF A MIXTURE OF (A) CADMIUM AND/OR CERIUM BENZOATE AND (B) AN ORGANIC PHOSPHITE.
Inventors
- 👤 A Factor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:14
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/49; C08K5/51; C08K5/52; C08K5/524
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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |