Patent US3663491A successfully refreshed from Google Patents.
US3663491A
Expired / Lapsed
US
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Adhfsive of a polymer latex,a resol resin and a novolak resin
Assignee: Bridgestone Firestone Inc
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Filing: 1970-03-02
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Granted: 1972-05-16
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Expires: 1990-03-02
Abstract
Abstract NATURAL AND SYNTHETIC RUBBERS AND MIXTURES THEREOF ARE ADHERED TO FABRICS SUCH AS POLYESTER TIRE CORDS, BY AN ADHESIVE OF A RESOL CONDENSATION PRODUCT, A NOVOLAK RESIN AND A LATEX OF A POLYMER OF A CONJUGATED DIENE MONOMER AND AN UNSUBSTITUTED OR ALKYL-SUBSTITUTED MONOVINYLIPYRIDINE SUCH AS DISCLOSED IN MIGHTON U.S. REISSUE PATENT 23,451, WHICH POLYMER PREFERABLY ALSO INCLUDES STYRENE. THE INVENTION INCLUDES THE ADHESIVE, FABRICS COATED WITH THE ADHESIVE AND WITH A RUBBER VULCANIZED THERETO, THE METHOD OF PRODUCING THE ADHESIVE AND THE METHOD OF TREATING THE FABRIC AND ADHERING RUBBER TO IT.
Inventors
- 👤 Richard W Kibler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:26
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C09; C09J; C09J109/00; C09J109/10; C09J161/00; C09J161/04; C09J161/06; C08J2321/00; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/16; C08L9/00; C08L9/10
Claims Analysis
Total Claims: 0
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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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |