US3775363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxymethylene polymer compositions containing acicular calcium metasilicate
Assignee: Celanese Corp
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Filing: 1972-04-21
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Granted: 1973-11-27
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Expires: 1992-04-21
Abstract
Abstract AN OXYMETHYLENE POLYMER COMPOSITION IS DISCLOSED AND CLAIMED WHICH COMPRISES AN OXYMETHYLENE POLYMER AND ACICULAR CALCIUM METASILICATE. THE CLAIMED COMPOSITION HAS IMPROVED PROCESSABILITY, DIMENSIONAL STABILITY STRENGTH VALUES.
Inventors
- 👤 D Braunstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:16
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34
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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |