US3591673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for melt-spinning fibers reinforced with particles of poly(1,4-benzamide)
Assignee: EIDP Inc
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Filing: 1968-07-24
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Granted: 1971-07-06
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Expires: 1988-07-24
Abstract
Abstract A METHOD FOR MELT SPINNING FIBERS REINFORCED WITH PARTICLES OF POLY (1,4-BENZAMIDE) OF SPECIFIC CHARACTERISTICS. THE SOLID REINFORCING POLYMER IS DISPERSED IN A MELT OF THE MATRIX POLYMER, THE MELT IS EXTRUDED AND THE RESULTING FIBERS ARE DRAWN.
Inventors
- 👤 Harold Pollack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:42
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/60; C; C08; C08L; C08L101/00; C08L67/00; C08L67/02; C08L77/00; C08L77/06; D01F1/00; D01F1/02; D01F1/10; D01F6/62
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |