US2654722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized solid organic compositions containing acyl-p-aminophenols
Assignee: Standard Oil Development Co
•
Filing: 1950-09-16
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Granted: 1953-10-06
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Expires: 1970-09-16
Abstract
No abstract record available.
Inventors
- 👤 David W Young
- 👤 Delmer L Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A STABILIZED SOLID SYNTHETIC RUBBER COMPOSITION COMPRISING A SYNTHETIC RUBBER HAVING ADMIXED THEREWITH A MINOR PROPORTION EFFECTIVE AS AN ANTI-OXIDANT OF AN ACRYL-P-AMINOPHENOL, CORRESPONDING TO THE GENERAL FORMULA
Claim 2
Dependent Claim
28 words
A STABILIZED SOLID SYNTHETIC RUBBER COMPOSITION COMPRISING A SYNTHETIC RUBBER HAVING ADMIXED THEREWITH A MINOR PROPORTION EFFECTIVE AS AN ANTI-OXIDANT OF AN ACRYL-P-AMINOPHENOL, CORRESPONDING TO THE GENERAL FORMULA
References Cited (Backward Citations)
US1938456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |