US2833734A
Expired / Lapsed
US
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Stabilized isoolefin polyolefin interpolymer derivatives and method of producing same
Assignee: Goodrich Corp
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Filing: 1953-10-29
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Granted: 1958-05-06
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Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Richard T Morrissey
- 👤 Henry J Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08L; C08L23/00; C08L23/26; C08L23/28; C08L23/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A STABILIZED RUBBER COMPOSITION COMPRISING A PARTIALLY BROMINATED DERIVATIVE OF A RUBBERY INTERPOLYMER OF FROM 70 TO 99% BY WEIGHT ISOBUTYLENE AND FROM 1 TO 30% BY WEIGHT OF ISOPRENE, SAID BROMINATED DERIVATIVE RETAINING RESIDUAL OLEFINIC UNSATURATION AND CONTAINING ABOUT 1.5 TO ABOUT 4% BY WEIGHT COMBINED BROMINE, AND AS AS STABILIZER THEREFOR FROM ABOUT 1 TO ABOUT 5% BY WEIGHT OF AN EPOXIDIZED VEGETABLE OIL CONTAINING GLYCERIDES OF OLEIC AND LIOLEIC ACIDS HAVING ABOUT 1 MOL EPOXY GROUP PER MOL OF ESTERIFIED FATTY ACID IN THE VEGETABLE OIL.
Claim 2
Dependent Claim
89 words
A STABILIZED RUBBER COMPOSITION COMPRISING A PARTIALLY BROMINATED DERIVATIVE OF A RUBBERY INTERPOLYMER OF FROM 70 TO 99% BY WEIGHT ISOBUTYLENE AND FROM 1 TO 30% BY WEIGHT OF ISOPRENE, SAID BROMINATED DERIVATIVE RETAINING RESIDUAL OLEFINIC UNSATURATION AND CONTAINING ABOUT 1.5 TO ABOUT 4% BY WEIGHT COMBINED BROMINE, AND AS AS STABILIZER THEREFOR FROM ABOUT 1 TO ABOUT 5% BY WEIGHT OF AN EPOXIDIZED VEGETABLE OIL CONTAINING GLYCERIDES OF OLEIC AND LIOLEIC ACIDS HAVING ABOUT 1 MOL EPOXY GROUP PER MOL OF ESTERIFIED FATTY ACID IN THE VEGETABLE OIL.
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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |