US2926718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising chlorinated butyl rubber, zinc oxide, and a curing aid, process for vulcanization thereof, and vulcanized product obtained thereby
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-09-24
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Granted: 1960-03-01
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Francis P Baldwin
- 👤 Robert M Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:05
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/28; C08L23/283; B; B60; B60C; B60C1/00; C08F; C08F8/00; C08F8/18; C08F8/20; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/36; C08K5/39; C08K5/40; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A COMPOSITION WHICH COMPRISED ABOUT 100 PARTS BY WEIGHT OF THE REACTION RODUCT OF AN ISOOLEFIN-MULTIOLEFIN TUBBERY POLYMER WITH A CHLORINATING AGENT, SAID REACTION PRODUCTION CONTAINING AT LEAST ABOUT 0.5 WEIGHT PERCENT CHLORINE ON A BASIS OF THE TOTAL WEIGHT OF THE POLYMER BUT NOT MORE THAN ABOUT ONE COMBINED ATOM OF CHLORINE PER DOUBLE BOND IN SAID POLYMER, AND A MINOR PROPORTION, SUFFICIENT TO IMPROVE DYNAMIC FATIGUE RESISTANCE, OF AN ADMIXTURE OF ABOUR 0.5 TO 50 PARTS BY WEIGHT OF ZINC OXIDE AND ABOUT 0.05 TO 15 PARTS BY WEIGHT OF A MODIFYING AGENT SELECTED FORM THE GROUP CONSISTING OF THIURAM SULFIDES, THIOCARBAMATES AND MIXTURES THEREOF, SAID COMPOSITION BEING FREE OF ADDED ELEMENTAL SULFUR.
Claim 2
Dependent Claim
115 words
A COMPOSITION WHICH COMPRISED ABOUT 100 PARTS BY WEIGHT OF THE REACTION RODUCT OF AN ISOOLEFIN-MULTIOLEFIN TUBBERY POLYMER WITH A CHLORINATING AGENT, SAID REACTION PRODUCTION CONTAINING AT LEAST ABOUT 0.5 WEIGHT PERCENT CHLORINE ON A BASIS OF THE TOTAL WEIGHT OF THE POLYMER BUT NOT MORE THAN ABOUT ONE COMBINED ATOM OF CHLORINE PER DOUBLE BOND IN SAID POLYMER, AND A MINOR PROPORTION, SUFFICIENT TO IMPROVE DYNAMIC FATIGUE RESISTANCE, OF AN ADMIXTURE OF ABOUR 0.5 TO 50 PARTS BY WEIGHT OF ZINC OXIDE AND ABOUT 0.05 TO 15 PARTS BY WEIGHT OF A MODIFYING AGENT SELECTED FORM THE GROUP CONSISTING OF THIURAM SULFIDES, THIOCARBAMATES AND MIXTURES THEREOF, SAID COMPOSITION BEING FREE OF ADDED ELEMENTAL SULFUR.
References Cited (Backward Citations)
US2702286A
Cited
US2732354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |