US3361691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethylene-propylene-non-conjugated diene elastomers stabilized with epoxy ester-phosphite mixtures
Assignee: Uniroyal Inc
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Filing: 1965-04-21
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Granted: 1968-01-02
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Russell A Mazzeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:31
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526; C08L; C08L23/00; C08L23/02; C08L23/16; C08L73/00; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A COMPOSITION COMPRISING 100 PARTS BY WEIGHT OF AN UNSATURATED, ELASTOMERIC TERPOLYMER OF ETHYLENE, PROPYLENE AND A COPOLYMERIZABLE NONCONJUGATED DIENE, FROM 0.1 TO 1.0 PART BY WEIGHT OF A TRI(ALKYLPHENYL) PHOSPHITE IN WHICH THE ALKYL GROUP HAS FROM 8 TO 30 CARBON ATOMS AND FROM 0.5 TO 5.0 PARTS BY WEIGHT OF AN EXPOXIDE SELECTED FROM THE GROUP CONSISTING OF EPOXIDIZED SOY BEAN OIL AND EPOXIDIZED ESTERS OF FATTY ACIDS HAVING FROM 10 TO 30 CARBON ATOMS WITH ALKANOLS HAVING UP TO 10 CARBON ATOMS, THE AMOUNT OF EPOXIDE BEING FROM 50% TO 500% OF THE WEIGHT OF THE PHOSPHITE.
Claim 2
Dependent Claim
100 words
A COMPOSITION COMPRISING 100 PARTS BY WEIGHT OF AN UNSATURATED, ELASTOMERIC TERPOLYMER OF ETHYLENE, PROPYLENE AND A COPOLYMERIZABLE NONCONJUGATED DIENE, FROM 0.1 TO 1.0 PART BY WEIGHT OF A TRI(ALKYLPHENYL) PHOSPHITE IN WHICH THE ALKYL GROUP HAS FROM 8 TO 30 CARBON ATOMS AND FROM 0.5 TO 5.0 PARTS BY WEIGHT OF AN EXPOXIDE SELECTED FROM THE GROUP CONSISTING OF EPOXIDIZED SOY BEAN OIL AND EPOXIDIZED ESTERS OF FATTY ACIDS HAVING FROM 10 TO 30 CARBON ATOMS WITH ALKANOLS HAVING UP TO 10 CARBON ATOMS, THE AMOUNT OF EPOXIDE BEING FROM 50% TO 500% OF THE WEIGHT OF THE PHOSPHITE.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |