US2620358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic oxidation of olefins in the
Assignee: —
•
Filing: —
•
Granted: 1952-12-02
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Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; B; B01; B01J; B01J23/00; B01J23/002; C07C45/35; C07C47/00; C07C47/20; C07C47/21; C07C47/22; C07C57/00; C07C57/02; C07C57/03; C07C57/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A PROCESS FOR THE PRODUCTION OF AN UNSATURATED CARBONYLIC COMPOUND OF THE GROUP CONSISTING OF THE UNSATURATED ALDEHYDES AND THE UNSATURATED KETONES WHEREIN A STREAM OF A GASEOUS MIXTURE COMPRISING AN OLEFIN CONTAINING AT LEAST THREE CARBON ATOMS, XYGEN, AND INERT GAS IS PASSED INTO CONTACT WITH A SOLID CATALYST COMPRISING CUPRUOUS OXIDE UNDER CONDITIONS PRODUCTIVE OF AN UNSATURATED CARBONYLIC COMPOUND OF SAID GROUP BY OXIDATION OF THE OLEFIN, UNSATURATED CARBONYLIC PRODUCT IS SEPARATED FROM THE EFFLUENT FROM THE CATALYST ZONE LEAVING A RESIDUAL GASEOUS MIXTURE COMPRISING INERT GAS, OXYGEN, CARBON MONOXIDE, AND UNCONSUMED OLEFIN, WHICH UNCONSUMED OLEFIN IS TO BE PASSED IN ADMIXTURE WITH MAKE-UP FEED TO SOLID CATALYST COMPRISING CUPROUS OXIDE FOR OXIDATION TO A FURTHER QUANTITY OF SAID UNSATURATED CARBONYLIC COMPOUND, THE
Claim 2
Dependent Claim
126 words
IN A PROCESS FOR THE PRODUCTION OF AN UNSATURATED CARBONYLIC COMPOUND OF THE GROUP CONSISTING OF THE UNSATURATED ALDEHYDES AND THE UNSATURATED KETONES WHEREIN A STREAM OF A GASEOUS MIXTURE COMPRISING AN OLEFIN CONTAINING AT LEAST THREE CARBON ATOMS, XYGEN, AND INERT GAS IS PASSED INTO CONTACT WITH A SOLID CATALYST COMPRISING CUPRUOUS OXIDE UNDER CONDITIONS PRODUCTIVE OF AN UNSATURATED CARBONYLIC COMPOUND OF SAID GROUP BY OXIDATION OF THE OLEFIN, UNSATURATED CARBONYLIC PRODUCT IS SEPARATED FROM THE EFFLUENT FROM THE CATALYST ZONE LEAVING A RESIDUAL GASEOUS MIXTURE COMPRISING INERT GAS, OXYGEN, CARBON MONOXIDE, AND UNCONSUMED OLEFIN, WHICH UNCONSUMED OLEFIN IS TO BE PASSED IN ADMIXTURE WITH MAKE-UP FEED TO SOLID CATALYST COMPRISING CUPROUS OXIDE FOR OXIDATION TO A FURTHER QUANTITY OF SAID UNSATURATED CARBONYLIC COMPOUND, THE
References Cited (Backward Citations)
US2451485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |