US3081312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of oxygenated products
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-07-01
•
Granted: 1963-03-12
•
Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert B Long
- 👤 Theodore M Rosenblatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:45
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C29/74; C07C29/76; C07C29/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
PROCESS FOR THE PRODUCTION OF OXYGENATED COMPOUNDS WHICH COMPRISES PARTIALLY OXIDIZING IN A REACTION ZONE A HYDROCARBON CONTAINING FEED COMPRISING PARAFFINS AND OLEFINS HAVING AT LEAST 5 CARBON ATOMS TO FORM A REACTION PRODUCT MIXTURE CONTAINING ALDEHYDES AND EPOXIDES, AT LEAST SOME OF SAID ALDEHYDES AND EXPOXIDES BEING WATER SOLUBLE, EXTRACTING SAID WATER SOLUBLE ALDEHYDES AND EPOXIDES FROM SAID REACTION PRODUCT MIXTURE WITH WATER LEAVING A HYDROCARBON PHASE, RECYCLING THE HYDROCARBON PHASE TO THE REACTION ZONE, SUBJECTING THE WATER PHASE TO HYDROGENATION CONDITIONS TO CONVERT SAID ALDEHYDES TO ALCOHOLS, FRACTIONATING THE HYDROGENATED WATER PHASE TO OBTAIN A STREAM CONTAINING A MAJOR AMOUNT OF ALCOHOL AND MINOR AMOUNTS OF WATER AND EPOXIDES, AND EXTRACTING EPOXIDES FROM SAID STREAM WITH A HYDROCARBON TO OBTAIN
Claim 2
Dependent Claim
122 words
PROCESS FOR THE PRODUCTION OF OXYGENATED COMPOUNDS WHICH COMPRISES PARTIALLY OXIDIZING IN A REACTION ZONE A HYDROCARBON CONTAINING FEED COMPRISING PARAFFINS AND OLEFINS HAVING AT LEAST 5 CARBON ATOMS TO FORM A REACTION PRODUCT MIXTURE CONTAINING ALDEHYDES AND EPOXIDES, AT LEAST SOME OF SAID ALDEHYDES AND EXPOXIDES BEING WATER SOLUBLE, EXTRACTING SAID WATER SOLUBLE ALDEHYDES AND EPOXIDES FROM SAID REACTION PRODUCT MIXTURE WITH WATER LEAVING A HYDROCARBON PHASE, RECYCLING THE HYDROCARBON PHASE TO THE REACTION ZONE, SUBJECTING THE WATER PHASE TO HYDROGENATION CONDITIONS TO CONVERT SAID ALDEHYDES TO ALCOHOLS, FRACTIONATING THE HYDROGENATED WATER PHASE TO OBTAIN A STREAM CONTAINING A MAJOR AMOUNT OF ALCOHOL AND MINOR AMOUNTS OF WATER AND EPOXIDES, AND EXTRACTING EPOXIDES FROM SAID STREAM WITH A HYDROCARBON TO OBTAIN
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |