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US3244661A
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Triaryl phosphites as stabilizers for rubber
Assignee: Goodyear Tire and Rubber Co
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Filing: 1961-05-22
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Granted: 1966-04-05
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Richard H Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:04
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; A; A43; A43B; A43B1/00; A43B1/10; A43B13/00; A43B13/02; A43B13/04; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526; B29K; B29K2021/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
AN OXIDIZABLE RUBBERY POLYMER OF CONJUGATED DIENCE CONTAINING FROM 0.25 TO 5.0 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE POLYMER AT LEAST ONE TRIARYL PHOSPHITE CONFORMING TO THE FOLLOWING STRUCTURAL FORMULA
Claim 2
Dependent Claim
33 words
AN OXIDIZABLE RUBBERY POLYMER OF CONJUGATED DIENCE CONTAINING FROM 0.25 TO 5.0 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE POLYMER AT LEAST ONE TRIARYL PHOSPHITE CONFORMING TO THE FOLLOWING STRUCTURAL 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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |