US3817907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic molding compositions and molded articles
Assignee: Bayer AG
•
Filing: 1972-03-16
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Granted: 1974-06-18
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Expires: 1992-03-16
Abstract
Abstract THERMOPLASTIC MOLDING COMPOSITIONS AND MOLDED ARTICLES WHICH HAVE A HIGH STIFFNESS ARE PROVIDED WHEREIN THE THERMOPLASTIC IS A POLYCARBONATE CONTAINING ASBESTOS FLOUR. THERMOPLASTIC MOLDING COMPOSITIONS AND MOLDED ARTICLES HAVING HIGH STIFFNESS AND FIRE RESISTANCE ARE PROVIDED WITH THE ASBESTOS FLOUR CONTAINING POLYCARBONATE ALSO CONTAINS FROM ABOUY 3% TO ABOUT 7% BY WEIGHT BASED ON THE TOTAL WEIGHT OF THE ABSESTOS FLOUR CONTAINING POLYCARBONATE OF GLASS FIBERS.
Inventors
- 👤 P Mueller
- 👤 G Peilstoecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:27
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12
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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |