US3767610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic molding compositions on the basis of polyoxymethylenes
Assignee: Hoechst AG
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Filing: 1971-11-24
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Granted: 1973-10-23
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Expires: 1991-11-24
Abstract
Abstract THE INVENTION RELATES TO THERMOPLASTIC MOLDING COMPOSITIONS ON THE BASIS OF POLYOXYMETHYLENES CONTAINING BORON NITRIDE AS A NUCLEATING AGENT IN AMOUNTS OF FROM 0.0005 TO 0.04% BY WEIGHT, RELATIVE TO THE TOTAL MIXTURE, AND THE PRODUCTION OF SHAPED ARTICLES WITH IMPROVED PROPERTIES THEREFROM.
Inventors
- 👤 K Burg
- 👤 L Brinkmann
- 👤 E Wolters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:33
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/34; C08K3/346
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |