US2705729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonylation of olefins
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-04-26
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Granted: 1955-04-05
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Expires: 1971-04-26
Abstract
No abstract record available.
Inventors
- 👤 Egi V Fasce
- 👤 Joseph K Mertzweiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:48
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
AN IMPROVED PROCESS FOR OXONATING CONTAMINATED OLEFINIC HYDROCARBON COMPOUNDS AND FOR DECREASING THE INDUCTION PERIOD OF SAID COMPOUNDS WHICH COMPRISES PASSING SAID CONTAMINATED OLEFINIC MATERIAL TO AN OXONATION ZONE, ADDING TO SAID ZONE CARBON MONOXIDE, HYDROGEN, A COBALT-COMPRISING OXONATION CATALYST AND ABOUT 0.05 TO ABOUT 0.15% BY WEIGHT OF AMMONIA BASED ON SAID OLEFIN, SAID AMMONIA BEING PRESENT IN LESS THAN STOICHIOMETRIC AMOUNTS AND MAINTAINING IN SAID ZONE ELEVATED TEMPERTURES AND PRESSURES CONDUCTIVE TO THE FORMATION OF AN ALDEHYDE PRODUCT HAVING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFINIC COMPOUND.
Claim 2
Dependent Claim
91 words
AN IMPROVED PROCESS FOR OXONATING CONTAMINATED OLEFINIC HYDROCARBON COMPOUNDS AND FOR DECREASING THE INDUCTION PERIOD OF SAID COMPOUNDS WHICH COMPRISES PASSING SAID CONTAMINATED OLEFINIC MATERIAL TO AN OXONATION ZONE, ADDING TO SAID ZONE CARBON MONOXIDE, HYDROGEN, A COBALT-COMPRISING OXONATION CATALYST AND ABOUT 0.05 TO ABOUT 0.15% BY WEIGHT OF AMMONIA BASED ON SAID OLEFIN, SAID AMMONIA BEING PRESENT IN LESS THAN STOICHIOMETRIC AMOUNTS AND MAINTAINING IN SAID ZONE ELEVATED TEMPERTURES AND PRESSURES CONDUCTIVE TO THE FORMATION OF AN ALDEHYDE PRODUCT HAVING AT LEAST ONE MORE CARBON ATOM THAN SAID OLEFINIC COMPOUND.
References Cited (Backward Citations)
US2542747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |