Patent US2901458A successfully refreshed from Google Patents.
US2901458A
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Process for reacting a copolymer of an isoolefin and a conjugated diene with a polar organic monomer and product thereof
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-12-30
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Granted: 1959-08-25
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Fred W Banes
- 👤 Gerald William P Fitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:45
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/08; C08F255/10; B; B60; B60C; B60C1/00; B60C1/0008; C08F8/00; C08F2800/00; C08F2800/20; C10; C10M; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/08; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/32; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/082; C10M2209/084; C10M2209/10; C10M2209/11; C10M2209/112; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2217/00; C10M2217/02; C10M2217/026; C10M2217/028; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2225/00; C10M2225/02; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
PROCESS WHICH COMPRISES REACTING AS THE SOLE INGREDIENTS 100 PARTS BY WEIGHT OF A RUBBER COPOLYMER CONSISTING OF MONOMERIC ISOBUTYLENE AND A CONJUGATED DIOLEFIN OF 4 TO 6 CARBON ATOM, HAVING A STAUDINGER MOLECULAR WEIGHT OF ABOUT 4,000 TO 60,000 AND A MOLE PERCENT UNSATURATION OF ABOUT 5 TO 40, WITH ABOUT 5 TO 200 PARTS BY WEIGHT OF A POLAR ORGANIC MONOMER CONTAINING A TERMINAL CH2=C< GROUP AND AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND NITROGEN, IN THE PRESENCE OF ABOUT 1 TO 10 VOLUMES OF INERT DILUENT, AND IN THE PRESENCE OF A PEROXIDE CATALYST, AT A TEMPERATURE OF ABOUT 50-250* C, FOR ABOUT 1 TO 10 HOURS.
Claim 2
Dependent Claim
115 words
PROCESS WHICH COMPRISES REACTING AS THE SOLE INGREDIENTS 100 PARTS BY WEIGHT OF A RUBBER COPOLYMER CONSISTING OF MONOMERIC ISOBUTYLENE AND A CONJUGATED DIOLEFIN OF 4 TO 6 CARBON ATOM, HAVING A STAUDINGER MOLECULAR WEIGHT OF ABOUT 4,000 TO 60,000 AND A MOLE PERCENT UNSATURATION OF ABOUT 5 TO 40, WITH ABOUT 5 TO 200 PARTS BY WEIGHT OF A POLAR ORGANIC MONOMER CONTAINING A TERMINAL CH2=C< GROUP AND AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND NITROGEN, IN THE PRESENCE OF ABOUT 1 TO 10 VOLUMES OF INERT DILUENT, AND IN THE PRESENCE OF A PEROXIDE CATALYST, AT A TEMPERATURE OF ABOUT 50-250* C, FOR ABOUT 1 TO 10 HOURS.
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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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |