US2807647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of unsaturated carbonylic compounds
Assignee: Shell Development Co
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Filing: 1954-07-23
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Granted: 1957-09-24
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Harry A Cheney
- 👤 Irwin L Breier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:22
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE PROCESS FOR THE PRODUCTION OF UNSATURATED CARBONYLIC COMPOUNDS CONTAINING AN OLEFINIC LINKAGE BETWEEN TWO CARBON ATOM OF ALIPHATIC CHARACTER, ONE OF WHICH IS LINKED DIRECTLY TO THE CARBON ATOM OF THE CARBONYL GROUP, WHICH COMPRISES CONTACTING A PARAFFINIC HYDROCARBON HAVING A SATURATED ALIPHATIC HYDROCARBON CHAIN CONTAINING THREE CONSECUTIVE CARBON ATOMS, ONE OF WHICH IS THE CARBON ATOM OF AN UNSUBSTITUTED METHYL GROUP AND EACH OF THE OTHER TWO SATURATED CARBON ATOMS HAS A HYDROGEN ATOM DIRECTLY ATTACHED THERETO, IN ADMIXTURE WITH OXYGEN WITH A SOLID CUPROUS OXIDE CATALYST AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 200 TO ABOUT 600*C. IN THE PRESENCE OF A PROMOTING AMOUNT OF SULFUR.
Claim 2
Dependent Claim
111 words
THE PROCESS FOR THE PRODUCTION OF UNSATURATED CARBONYLIC COMPOUNDS CONTAINING AN OLEFINIC LINKAGE BETWEEN TWO CARBON ATOM OF ALIPHATIC CHARACTER, ONE OF WHICH IS LINKED DIRECTLY TO THE CARBON ATOM OF THE CARBONYL GROUP, WHICH COMPRISES CONTACTING A PARAFFINIC HYDROCARBON HAVING A SATURATED ALIPHATIC HYDROCARBON CHAIN CONTAINING THREE CONSECUTIVE CARBON ATOMS, ONE OF WHICH IS THE CARBON ATOM OF AN UNSUBSTITUTED METHYL GROUP AND EACH OF THE OTHER TWO SATURATED CARBON ATOMS HAS A HYDROGEN ATOM DIRECTLY ATTACHED THERETO, IN ADMIXTURE WITH OXYGEN WITH A SOLID CUPROUS OXIDE CATALYST AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 200 TO ABOUT 600*C. IN THE PRESENCE OF A PROMOTING AMOUNT OF SULFUR.
References Cited (Backward Citations)
US2309718A
Cited
US2670381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |