US2670340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aralkyl phenols as antioxidants
Assignee: Goodrich Corp
•
Filing: 1950-05-23
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Granted: 1954-02-23
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Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Henry J Kehe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:13
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
32 words
A RUBBERY COMPOSITION COMPRISING A RUBBERY UNSATURATED ORGANIC POLYMERIC MATERIAL IN WHICH HAS BEEN INCORPORATED, AS AN ANTIOXIDANT THEREFOR, FROM 0.1 TO 10% BY WEIGHT OF A POLYARALKYLATED MONOHYDRIC PHENOL OF THESTRUCTURE
Claim 2
Dependent Claim
32 words
A RUBBERY COMPOSITION COMPRISING A RUBBERY UNSATURATED ORGANIC POLYMERIC MATERIAL IN WHICH HAS BEEN INCORPORATED, AS AN ANTIOXIDANT THEREFOR, FROM 0.1 TO 10% BY WEIGHT OF A POLYARALKYLATED MONOHYDRIC PHENOL OF THESTRUCTURE
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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |