US2966477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber compositions and method of making same
Assignee: Goodrich Corp
•
Filing: 1957-06-12
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Granted: 1960-12-27
•
Expires: 1977-06-12
Abstract
No abstract record available.
Inventors
- 👤 Roger E Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:51
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AN OXIDIZABLE POLYMERIC DIENE RUBBER COMPOSITION CONTAINING AS A DETERIORATION RETARDER FROM 0.1 TO 10.0 WEIGHT PERCENT ON THE RUBBER OF A CHEMICAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF 1,2-BIS(2-HYDROXY4,5-DIMETHYLPHENYL)PROPANE, 1,2-BIS(4-HYDROXY-3,5-DIISOPROPYLPHENYL)PROPANE? AND 1-(2-HYDROXY-4,5-DIMETHYLPHENYL)-2-(4-HYDROXY-3,5-DIISOPROPYLPHENYL)PROPANE.
Claim 2
Dependent Claim
34 words
AN OXIDIZABLE POLYMERIC DIENE RUBBER COMPOSITION CONTAINING AS A DETERIORATION RETARDER FROM 0.1 TO 10.0 WEIGHT PERCENT ON THE RUBBER OF A CHEMICAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF 1,2-BIS(2-HYDROXY4,5-DIMETHYLPHENYL)PROPANE, 1,2-BIS(4-HYDROXY-3,5-DIISOPROPYLPHENYL)PROPANE? AND 1-(2-HYDROXY-4,5-DIMETHYLPHENYL)-2-(4-HYDROXY-3,5-DIISOPROPYLPHENYL)PROPANE.
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |