US3817778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding fibers to rubber with unsaturate-resorcinol polymers
Assignee: Monsanto Co
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Filing: 1972-01-26
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Granted: 1974-06-18
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Expires: 1992-01-26
Abstract
Abstract METHOD OF ENHANCING ADHESION OF FIBER TO RUBBER BY TREATING FIBER WITH A SATURATED RESORCINOL POLYMER. THE RESORCINOL POLYMER COMPRISING ALKYLENE BRIDGED REDSORCINOL UNITS RESULTING FROM INTRODUCING OLEFINIC UNSATURATED RADICALS OF 3-10 CARBON ATOMS INTO THE NUCLEUS OF THE RESORCINOL.
Inventors
- 👤 R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:26
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/44; D02G3/48; C; C08; C08G; C08G61/00; C08G61/02; C08G8/00; C08G8/04; C08G8/08; C08J; C08J5/00; C08J5/04; C08J5/06; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2964; Y10T428/2967; Y10T428/2969
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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |