US3228904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of synthetic polymers
Assignee: Goodrich Corp
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Filing: 1962-05-03
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Granted: 1966-01-11
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Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Roger E Morris
- 👤 Ray D Taylor
- 👤 Robert J Fawcett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/175
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE RUBBERY COMPOSITION RESSISTANT TO ATMOSPHERIC DEGRADATION COMPRISING A MIXTURE OF A SYNTHETIC RUBBERY POLYMER OF AT LEAST 50% BY WEIGHT OF CONJUGATED DIENE HAVING 4 TO 6 CARBON ATOMS AND THE REMAINDER ANOTHER MONOMER COPOLYMERIZABLE WITH SAID DIENE AND A SMALL BUT EFFECTIVE AMOUNT SUFFICIENT TO PROTECT SAID RUBBERY POLYMER AGAINST DEGRADATION BY OXYGEN OF AT LEAST, ONE COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
63 words
THE RUBBERY COMPOSITION RESSISTANT TO ATMOSPHERIC DEGRADATION COMPRISING A MIXTURE OF A SYNTHETIC RUBBERY POLYMER OF AT LEAST 50% BY WEIGHT OF CONJUGATED DIENE HAVING 4 TO 6 CARBON ATOMS AND THE REMAINDER ANOTHER MONOMER COPOLYMERIZABLE WITH SAID DIENE AND A SMALL BUT EFFECTIVE AMOUNT SUFFICIENT TO PROTECT SAID RUBBERY POLYMER AGAINST DEGRADATION BY OXYGEN OF AT LEAST, ONE COMPOUND HAVING THE STRUCTURE
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |