US3697310A
Expired / Lapsed
US
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Method of bonding polyester synthetic fibrous material to rubber compound
Assignee: Teijin Ltd
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Filing: 1971-01-27
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Granted: 1972-10-10
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Expires: 1991-01-27
Abstract
Abstract A POLYESTER FIBROUS MATERIAL IS BONDED TO RUBBER WITH SUPERIOR BOND STRENGTH BY APPLYING TO THE POLYESTER MATERIAL AN AQUEOUS ADHESIVE DISPERSION COMPRISING (A) A WATER-INSOLUBLE PHENOL/ALDEHYDE RESIN HAVING A MELTING POINT OF NOT MORE THAN 160* C. OR A VISCOSITY OF AT LEAST 50 CENTIPOISES OBTAINED BY CONDENSING ONE MOL OF PHENOL OR ITS DERIVATIVE, 0.2 TO 1.0 MOL OF FORMALDEHYDE AND 0.05 TO 0.5 MOL OF AN ALKYL OR ARKENYL ALDEHYDE SUCH AS NBUTYRALDEHYDE AND (B) A RUBBER LATEX, AND BONDING THE POLYESTER MATERIAL TO RUBBER BY HEATING AND VULCANIZATION.
Inventors
- 👤 Osamu Kurihara
- 👤 Naoya Kuramoto
- 👤 Masaya Kamiyoshi
- 👤 Takeshi Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:54
CPC Classifications
B; B32; B32B; B32B25/00; B32B25/04; B32B25/08; B29; B29C; B29C66/00; B29C66/70; B29C66/71; B29C66/712; B29C66/72; B29C66/729; B29C66/73; B29C66/731; B29C66/7311; B29C66/73115; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/919; B29C66/9192; B29C66/91921; B29C66/91931; B32B27/00; B32B27/36; C; C08; C08G; C08G8/00; C08G8/04; C08J; C08J5/00; C08J5/04; C08J5/06; B29C65/00; B29C65/02; B32B38/00; B32B2038/0052; B32B2038/0076; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91
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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |