US3594267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing process
Assignee: Hercules LLC
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Filing: 1969-09-22
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Granted: 1971-07-20
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Expires: 1989-09-22
Abstract
Abstract (N2O2S)X-A-((R)Y-NCO)Z WHERE A IS AN AROMATIC RADICAL, R IS AN ORGANIC RADICAL SELECTED FROM ALKYLENE, UNSATURATED ALKYLENE, CYCLOALKYLENE AND ARYLENE RADICALS, Y IS AN INTERGER FROM 0 TO 1 AND X AND Z ARE INTEGERS FROM 1 TO 5. VULCANIZED RUBBER TIRES REINFORCED WITH TREATED POLYESTER TIRE CORD ARE DISCLOSED. THE ADHESION OF FIBROUS POYESTER REINFORCING MATERIAL TO RUBBER STOCK CAN BE IMPROVED BY TREATING THE FIBROUS MATERIAL WITH AN ISOCYANATO SUBSTITUTED AROMATIC SULFONYL AZIDE HAVING THE FORMULA
Inventors
- 👤 David S Breslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:52
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31826; Y10T442/00; Y10T442/20; Y10T442/2861
Claims Analysis
Total Claims: 0
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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 |