US2748100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of a sulfur vulcanizable rubber with a mixture of 6- and 8-alkoxy dihydrotrialkylquinolines
Assignee: Monsanto Chemicals Ltd
•
Filing: 1952-05-23
•
Granted: 1956-05-29
•
Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 James O Harris
- 👤 Wendell P Metzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3462; C08K5/3465; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE PROCESS OF IMPROVING THE RESISTANCE OF DEGRADATION AND ATMOSPHERIC CRACKING OF A SULFUR VULCANIZABLE RUBBER WHICH COMPRISES INCORPORATING THEREIN AN ADMIXTURE OF A 6-ALKOXY DIHYDROTRIALKYLQUINOLINE AND AN 8-ALKOXY DIHYROTRIALKYLQUINOLINE OBTAINED BY THE CONDENSATION OF THE ALKOXYANILINES AND A KETONE.
Claim 2
Dependent Claim
40 words
THE PROCESS OF IMPROVING THE RESISTANCE OF DEGRADATION AND ATMOSPHERIC CRACKING OF A SULFUR VULCANIZABLE RUBBER WHICH COMPRISES INCORPORATING THEREIN AN ADMIXTURE OF A 6-ALKOXY DIHYDROTRIALKYLQUINOLINE AND AN 8-ALKOXY DIHYROTRIALKYLQUINOLINE OBTAINED BY THE CONDENSATION OF THE ALKOXYANILINES AND A KETONE.
References Cited (Backward Citations)
US1701144A
Cited
US2165623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |