US2708664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizations with peroxide from alkylated vinylcyclohexene
Assignee: Phillips Petroleum Co
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Filing: 1951-09-04
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Granted: 1955-05-17
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Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jean P Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:48
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN THE PRODUCTION OF A POLYMERIC MATERIAL BY THE POLYMERIZATION OF A MONOMERIC MATERIAL COMPRISING A CONJUGATED DIENE DISPERSED IN AN AQUEOUS MEDIUM IN THE PRESENCE OF AN INITIATOR AND AN ACTIVATOR, THE IMPROVEMENT WHICH COMPRISES POLYMERIZING SAID MONOMERIC MATERIAL IN THE PRESENCE OF AN INITIATOR FORMED BY REACTING 2,3-DIMETHYLBUTANE WITH VINYLCYCLOHEXENE IN THE PRESENCE OF AN ALKYLATION CATALYST AND UNDER ALKYLATION CONDITIONS INCLUDING A TEMPERATURE OF FROM 50* F. TO 150* F., A REACTION TIME OF FROM 25 TO 320 MINUTES, A 2, 3-DIMETHYL BUTANE TO VINYLCYCLOHEXENE MOL RATIO OF 1:1 TO 20:1 AND A CATALYST TO HYDROCARBON VOLUME RATIO OF 0.01:1 TO 2:1, UNDER SUFFICIENT PRESSURE TO MAINTAIN A LIQUID PHASE, THEREBY TO PRODUCE A C14 HYDROCARBON, RECOVERING A FRACTION BOILING WITHIN THE RANGE OF 465-490* F. AND INCLUDING SAID HYDROCARBON, AND OXIDIZING SAID PRODUCT AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF AIR.
Claim 2
Dependent Claim
146 words
IN THE PRODUCTION OF A POLYMERIC MATERIAL BY THE POLYMERIZATION OF A MONOMERIC MATERIAL COMPRISING A CONJUGATED DIENE DISPERSED IN AN AQUEOUS MEDIUM IN THE PRESENCE OF AN INITIATOR AND AN ACTIVATOR, THE IMPROVEMENT WHICH COMPRISES POLYMERIZING SAID MONOMERIC MATERIAL IN THE PRESENCE OF AN INITIATOR FORMED BY REACTING 2,3-DIMETHYLBUTANE WITH VINYLCYCLOHEXENE IN THE PRESENCE OF AN ALKYLATION CATALYST AND UNDER ALKYLATION CONDITIONS INCLUDING A TEMPERATURE OF FROM 50* F. TO 150* F., A REACTION TIME OF FROM 25 TO 320 MINUTES, A 2, 3-DIMETHYL BUTANE TO VINYLCYCLOHEXENE MOL RATIO OF 1:1 TO 20:1 AND A CATALYST TO HYDROCARBON VOLUME RATIO OF 0.01:1 TO 2:1, UNDER SUFFICIENT PRESSURE TO MAINTAIN A LIQUID PHASE, THEREBY TO PRODUCE A C14 HYDROCARBON, RECOVERING A FRACTION BOILING WITHIN THE RANGE OF 465-490* F. AND INCLUDING SAID HYDROCARBON, AND OXIDIZING SAID PRODUCT AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF AIR.
References Cited (Backward Citations)
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US2499505A
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US2516649A
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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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |