Patent US3564077A successfully refreshed from Google Patents.
US3564077A
Expired / Lapsed
US
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Thermoplastic polyester molding compositions
Assignee: Hoechst AG
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Filing: 1968-07-11
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Granted: 1971-02-16
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Expires: 1988-07-11
Abstract
Abstract MOLDING COMPOSITIONS WHICH CAN BE PROCESSED THERMOPLASTICALLY AND WHICH HAVE A HIGH IMPACT STRENGTH ARE PREPARED FROM LINEAR SATURATED POLYESTERS AND COPOLYMERS OF STYRENE AND CONJUGATED ALIPHATIC DIENES.
Inventors
- 👤 Ludwig Brinkmann
- 👤 Walter Herwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:08
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |