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Patent US2926155A successfully refreshed from Google Patents.
US2926155A
Expired / Lapsed
US
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Preventing exposure cracking of rubber
Assignee: Monsanto Chemicals Ltd
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Filing: 1956-04-17
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Granted: 1960-02-23
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Albert J Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A SULFUR-VULCANIZABLE DIENE HYDROCARBON RUBBER VULCANIZATE HAVING INCORPORATED THEREIN, IN AMOUNT SUFFICIENT TO INCREASE RESISTANCE TO EXPOSURE CRACKING, ANILINE SUBSTITUTED IN THE NUCLEUS BY A LOWER ALKYL GROUP AND TWO LOWER ALKOXY GROUPS.
Claim 2
Dependent Claim
33 words
A SULFUR-VULCANIZABLE DIENE HYDROCARBON RUBBER VULCANIZATE HAVING INCORPORATED THEREIN, IN AMOUNT SUFFICIENT TO INCREASE RESISTANCE TO EXPOSURE CRACKING, ANILINE SUBSTITUTED IN THE NUCLEUS BY A LOWER ALKYL GROUP AND TWO LOWER ALKOXY GROUPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |