US3652484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic molding compositions based on saturated polyesters
Assignee: Hoechst AG
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Filing: 1969-07-02
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Granted: 1972-03-28
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Expires: 1989-07-02
Abstract
Abstract MOLDING COMPOSITIONS FROM LINEAR SATURATED POLYESTERS, INERT INORGANIC SOLID MATERIALS OR IONIC COPOLYMERS, AND SILICON COMPOUNDS OF FORMULA I, II OR III (I) RMSI(OR1)4-M (IN WHICH M REPRESENTS ZERO OR A WHOLE NUMBER FROM 1 TO 3) R''<(-O-)2>SI<(-O-)2>R'' (II) (R-)2-SI<(-O-)2>R'' OR MIXTURES OF THESE COMPOUNDS, WHICH MOLDING COMPOSITIONS MAY BE SHAPED IN THE THERMOPLASTIC RANGE AND FROM WHICH MOLDED ARTICLES ARE OBTAINED WHICH CAN EASILY BE REMOVED FROM THE MOLD.
Inventors
- 👤 Klaus Weissermel
- 👤 Rudolf Uebe
- 👤 Walter Herwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/541; C08K5/5415; C08K5/5419; C08K5/549; C08L; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |