Patent US3594345A successfully refreshed from Google Patents.
US3594345A
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US
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Fiber glass laminates containing furfuryl resin binder
Assignee: Qo Chemicals Inc
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Filing: 1968-05-31
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Granted: 1971-07-20
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Expires: 1988-05-31
Abstract
Abstract GLASS FIBERS ARE BOUND WITH A FURFURYL ACOHOL-FORMALDEHYDE RESIN IN A BINDER CONTAINING FURFURAL, A HIGH CATALYST LEVEL, AND A SILANE. THE RESULTING ARTICLE IS CURED AT TEMPERATURES BELOW 100*C.
Inventors
- 👤 Lloyd H Brown
- 👤 David D Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:04
CPC Classifications
C; C08; C08G; C08G16/00; C08G16/02; C08G16/025; C08G16/0256; C08G16/0262; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |