US3834980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-filled thermoplastic pellets suitable for blending with thermoplastic
Assignee: KAWASAKI LNP Inc A CORP OF DELAWARE
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Filing: 1972-07-19
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Granted: 1974-09-10
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Expires: 1992-07-19
Abstract
Abstract THE PROCESS CONSISTS OF FEEDING AN EXTRUDED MIXTURE OF SILANE COUPLING AGENT, AND MOLTEN THERMOPLASTIC (WITH OR WITHOUT GLASS FIBERS) TO A CROSS-HEAD DIE,COATING CONTINUOUS GLASS ROVING WITH SAID MIXTURE IN SAID CROSS-HEAD DIE, SOLIDIFYING SAID MOLTEN THERMOPLASTIC WHILE SAID THERMOPLASTIC IS COATED ON SAID ROVING, AND PELLETIZING THE SOLIDIFIED MATERIAL. SUCH PELLETS MAY BE BLENDED WITH THERMOPLASTIC, AND THEREAFTER MOLDED TO YIELD AN ARTICLE HAVING HIGH TENSILE STRENGTH.
Inventors
- 👤 N Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:53
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/12; B29B9/14; B29C; B29C48/00; B29C48/15; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C48/03; B29C48/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612
Claims Analysis
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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) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |