US3293269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidation of olefins
Assignee: Union Oil Company of California
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Filing: 1964-11-13
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Granted: 1966-12-20
•
Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Larry G Wolgemuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:33
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE EPOXIDATION OF A HYDROCARBON OLEFIN HAVING 2 TO ABOUT 20 CARBONS THAT COMPRISES INTRODUCING SAID OLEFIN AND CARBON DIOXIDE INTO CONTACT, UNDER EPOXIDATION CONDITIONS, WITH A REACTION MEDIUM COMPRISING A REACTION SOLVENT SELECTED FROM THE CLASS CONSISTING OF WATER AND ORGANIC SOLVENTS INERT TO SAID REACTION UNDER SAID EPOXIDATION CONDITIONS CONTAINING: (1) FROM 5 TO ABOUT 95 WEIGHT PERCENT OF A HYDROPEROXIDE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN PEROXIDE AND ORGANIC HYDROPEROXIDES CONSISTING OF HYDROGEN, CARBON AND OXYGEN AND HAVING FROM 1 TO ABOUT 20 CARBONS; (2) FROM ABOUT 10 TO 500 PARTS BY WEIGHT PER 100 PARTS OF SAID SOLVENT AND HYDROPEROXIDE OF AN ALKALINE MATERIAL, SUFFICIENT TO MAINTAIN THE PH OF SAID REAC: TION MEDIUM BETWEEN ABOUT 6 AND 11; AND AND EPOXIDITION CONDITIONS COMPRISING TEMPERATURES FROM -50* TO 250*C. AND PRESSURES FROM ABOUT 1 TO 10,::: P.S.I.G.
Claim 2
Dependent Claim
142 words
THE EPOXIDATION OF A HYDROCARBON OLEFIN HAVING 2 TO ABOUT 20 CARBONS THAT COMPRISES INTRODUCING SAID OLEFIN AND CARBON DIOXIDE INTO CONTACT, UNDER EPOXIDATION CONDITIONS, WITH A REACTION MEDIUM COMPRISING A REACTION SOLVENT SELECTED FROM THE CLASS CONSISTING OF WATER AND ORGANIC SOLVENTS INERT TO SAID REACTION UNDER SAID EPOXIDATION CONDITIONS CONTAINING: (1) FROM 5 TO ABOUT 95 WEIGHT PERCENT OF A HYDROPEROXIDE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN PEROXIDE AND ORGANIC HYDROPEROXIDES CONSISTING OF HYDROGEN, CARBON AND OXYGEN AND HAVING FROM 1 TO ABOUT 20 CARBONS; (2) FROM ABOUT 10 TO 500 PARTS BY WEIGHT PER 100 PARTS OF SAID SOLVENT AND HYDROPEROXIDE OF AN ALKALINE MATERIAL, SUFFICIENT TO MAINTAIN THE PH OF SAID REAC: TION MEDIUM BETWEEN ABOUT 6 AND 11; AND AND EPOXIDITION CONDITIONS COMPRISING TEMPERATURES FROM -50* TO 250*C. AND PRESSURES FROM ABOUT 1 TO 10,::: P.S.I.G.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |