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Patent US3202630A successfully refreshed from Google Patents.
US3202630A
Expired / Lapsed
US
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Bis (dialkylamino) diphenylamines as antiozonants for rubber
Assignee: Wyeth Holdings LLC
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Filing: 1959-12-08
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Granted: 1965-08-24
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Frank A V Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:26
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
27 words
VULCANIZED RUBBER HAVING INCORPORATED THEREIN FROM ABOUT ONE TO ABOUT FIVE PARTS PER 100 PARTS OF RUBBER OF AN ANTIOZONANT CONSISTING OF A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
27 words
VULCANIZED RUBBER HAVING INCORPORATED THEREIN FROM ABOUT ONE TO ABOUT FIVE PARTS PER 100 PARTS OF RUBBER OF AN ANTIOZONANT CONSISTING OF A COMPOUND OF THE FORMULA:
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |