US3715418A
Expired / Lapsed
US
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Low viscosity melt spinning process
Assignee: Monsanto Co
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Filing: 1969-10-02
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Granted: 1973-02-06
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Expires: 1989-10-02
Abstract
Abstract FIBER LENGTHS ARE FORMED FROM AN INORGANIC MOLTEN MATERIAL HAVING A MELT VISCOSITY-MELT SURFACE TENSION RATIO OF NOT GREATER THAN ONE. THE FIBERS ARE OBTAINED BY EXTRUDING A FREE FALLING STREAM FROM THE MELT FILM-STABILIZING THE STREAM AGAINST THE EFFECTS OF SURFACE TENSION PENDING SOLIDIFICATION, AND DECELERATING THE SOLIDIFIED STREAM AT A SELECTED POINT INTERMEDIATE OF A FIRST POINT (D0) UPSTREAM SFIG-01 OF WHICH ATTENDING STREAM DECELERATION CAUSES ATTAINMENT OF A NON-FIBROUS MASS, AND A SECOND POINT (d0) UPSTREAN OF WHICH ATTENDING STREAM DECELERATION CAUSES DISRUPTIONS IN THE SOLIDIFIED STREAM CONTINUITY, DO BEING UPSTREAM FROM DA.
Inventors
- 👤 W Privott
- 👤 R Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:04
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/005; C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
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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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |