Patent US2553333A successfully refreshed from Google Patents.
Patent US2811503A successfully refreshed from Google Patents.
US2811503A
Expired / Lapsed
US
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6-alkoxy-1-nitroso dihydroquinolines for controlling the vulcanization of rubber and vulcanizates resistant to ozone
Assignee: Monsanto Chemicals Ltd
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Filing: 1954-07-27
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Granted: 1957-10-29
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Expires: 1974-07-27
Abstract
No abstract record available.
Inventors
- 👤 James F Hand
- 👤 Tomlin Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A METHOD OF VULCANIZING A SULFUR VULCANIZABLE DIENE HYDROCARBON RUBBER WHICH COMPRISES HEATING THE RUBBER WITH A SULFUR VULCANIZING AGENT IN THE PRESENCE OF A DELAYED ACTION THIAZOLE SULFENAMIDE ACCELERATOR AND A 6-ALKOXY-1,2-DIHYDRO-1-NITROSO-2,2,4-TRILKYLQUINOLINE IN A PROPORTION SUFFICIENT TO INHIBIT BOTH PREMATURE VULCANIZATION DURING PROCESSING AND OZONE CRACKING OF THE VULCANIZATE.
Claim 2
Independent Claim
50 words
A METHOD OF VULCANIZING A SULFUR VULCANIZABLE DIENE HYDROCARBON RUBBER WHICH COMPRISES HEATING THE RUBBER WITH A SULFUR VULCANIZING AGENT IN THE PRESENCE OF A DELAYED ACTION THIAZOLE SULFENAMIDE ACCELERATOR AND A 6-ALKOXY-1,2-DIHYDRO-1-NITROSO-2,2,4-TRILKYLQUINOLINE IN A PROPORTION SUFFICIENT TO INHIBIT BOTH PREMATURE VULCANIZATION DURING PROCESSING AND OZONE CRACKING OF THE VULCANIZATE.
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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |