US3090768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinylchloride-chlorinated isoolefin-multiolefin copolymer blend and method of making same
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-05-26
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Granted: 1963-05-21
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Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ray Richard Louia
- 👤 Hunter Edward Allen
- 👤 John L Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:53
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/28; C07D295/30; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L23/00; C08L23/26; C08L23/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COMPOSITION COMPRISING ABOUT 100 PARTS BY WEIGHT OF POLYVINYLCHLORIDE AND ABOUT 0.5 TO 50 PARTS BY WEIGHT OF A CHLORINATED RUBBER COPOLYMER OF 85 TO 99.5% OF A ISOOLEFIN WITH 0.5 TO 15% OF A MULTIOLEFIN, SAID COPOLYMER CONTAINING AT LEAST 0.5 WEIGHT PERCENT CHLORINE INCORPORATED IN ITS STRUCTURE BY A SUBSTITUTION-REACTION BUT NOT MORE THAN ABOUT 1 ATOM OF CHLORINE PER DOUBLE BOND IN THE COPOLYMER, SAID COMPOSITION BEING CAPABLE OF BEING CURED AT ELEVATED TEMPERATURES TO PROVIDE AN END PRODUCT WITH INCREASED IMPACT STRENGTH.
Claim 2
Dependent Claim
87 words
A COMPOSITION COMPRISING ABOUT 100 PARTS BY WEIGHT OF POLYVINYLCHLORIDE AND ABOUT 0.5 TO 50 PARTS BY WEIGHT OF A CHLORINATED RUBBER COPOLYMER OF 85 TO 99.5% OF A ISOOLEFIN WITH 0.5 TO 15% OF A MULTIOLEFIN, SAID COPOLYMER CONTAINING AT LEAST 0.5 WEIGHT PERCENT CHLORINE INCORPORATED IN ITS STRUCTURE BY A SUBSTITUTION-REACTION BUT NOT MORE THAN ABOUT 1 ATOM OF CHLORINE PER DOUBLE BOND IN THE COPOLYMER, SAID COMPOSITION BEING CAPABLE OF BEING CURED AT ELEVATED TEMPERATURES TO PROVIDE AN END PRODUCT WITH INCREASED IMPACT STRENGTH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |