Patent US1425265A successfully refreshed from Google Patents.
US3671378A
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Glass fiber reinforced composite and method of making same
Assignee: Monsanto Co
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Filing: 1969-11-04
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Granted: 1972-06-20
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Expires: 1989-11-04
Abstract
Abstract DISCLOSED HEREIN IS AN IMPROVEMENT IN THE PROCESS FOR PREPARING COMPOSITES FROM GLASS FIBERS AND THERMOPLASTIC RESINS WHICH COMPRISES BLENDING THE THEMOPLASTIC RESIN MATRIX WITH GLASS CONCENTRATE CAPSULES COMPRISING 10 TO 80% BY WEIGHT OF GLASS STRANDS HAVING A LENGTH IN THE RANGE OF FROM 1/32 TO 3/4 INCH, PREFERABLY FROM ABOUT 1/8 TO ABOUT 1/4 INCH, WHICH STRANDS ARE ARRANGED IN A COLIMATED ARRAY AND ENCAPSULATED WITHIN A THERMOLPLASTIC RESIN MATRIX, WHEREIN THE INDIVIDUAL FIBERS OF THE THE STRANDS, THE INDIVIDUAL STRANDS IN THE COLLIMATED ARRAY AND THE COLLIMATED ARRAY OF GLASS STRANDS ARE ENCAPSULATED IN THE THERMOPLASTIC RESIN MATRIX.
Inventors
- 👤 Massimo Baer
- 👤 Joseph O Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:26
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; B; B29; B29B; B29B9/00; B29B9/12; B29B9/14; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29C70/14; C08K9/00; C08K9/10; C08L; C08L25/00; C08L25/02; C08L25/04; C08L27/00; C08L27/02; C08L27/04; C08L27/06; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249942; Y10T428/249946; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |