Patent US2669586A successfully refreshed from Google Patents.
US2669586A
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Selective oxidation process
Assignee: ExxonMobil Oil Corp
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Filing: 1952-05-10
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Granted: 1954-02-16
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Expires: 1972-05-10
Abstract
No abstract record available.
Inventors
- 👤 William R Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:54
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36; C07C45/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN THE METHOD OF OXIDIZING COMPOUNDS HAVING A RADICAL SELECTED FROM THE GROUP CONSISTING OF METHYL AND METHYLENE RADICALS ADJACENT TO AN ACTIVATING MOIETY SELECTED FROM THE GROUP CONSISTING OF A CENTER OF UNSATURATION AND A CARBONYL GROUP TO CONVERT SAID RADICAL TO A CARBONYL GROUP WHICH COMPRISES HEATING A COMPOUND HAVING A GROUP SELECTED FROM THE GROUPS METHYL AND METHYLENE ADJACENT TO AN ACTIVATING MOIETY SELECTED FROM THE GROUP CONSISTING OF A CENTER OF UNSATURATION AND A CARBONYL GROUP IN ADMIXTURE WITH A GAS CONTAINING FREE OXYGEN IN THE PRESENCE OF A CATALYST CONSISTING PREDOMINANTLY OF AN OXIDE OF TELLURIUM TO A TEMPERATURE BETWEEN THE BOILING POINT OF SAID COMPOUND AND THE TEMPERATURE AT WHICH SAID COMPOUND DECOMPOSES, THE IMPROVEMENT WHICH COMPRISES EMPLOYING A CATALYST CONSISTING ESSENTIALLY OF ABOUT 1 TO ABOUT 40 MOLE PER CENT OF AN OXIDE OF METAL OF GROUP VI OF THE PERIODIC TABLE HAVING AN ATOMIC WEIGHT OF AT LEAST BOUT 96 AND AN OXIDE OF TELLURIUM.
Claim 2
Dependent Claim
163 words
IN THE METHOD OF OXIDIZING COMPOUNDS HAVING A RADICAL SELECTED FROM THE GROUP CONSISTING OF METHYL AND METHYLENE RADICALS ADJACENT TO AN ACTIVATING MOIETY SELECTED FROM THE GROUP CONSISTING OF A CENTER OF UNSATURATION AND A CARBONYL GROUP TO CONVERT SAID RADICAL TO A CARBONYL GROUP WHICH COMPRISES HEATING A COMPOUND HAVING A GROUP SELECTED FROM THE GROUPS METHYL AND METHYLENE ADJACENT TO AN ACTIVATING MOIETY SELECTED FROM THE GROUP CONSISTING OF A CENTER OF UNSATURATION AND A CARBONYL GROUP IN ADMIXTURE WITH A GAS CONTAINING FREE OXYGEN IN THE PRESENCE OF A CATALYST CONSISTING PREDOMINANTLY OF AN OXIDE OF TELLURIUM TO A TEMPERATURE BETWEEN THE BOILING POINT OF SAID COMPOUND AND THE TEMPERATURE AT WHICH SAID COMPOUND DECOMPOSES, THE IMPROVEMENT WHICH COMPRISES EMPLOYING A CATALYST CONSISTING ESSENTIALLY OF ABOUT 1 TO ABOUT 40 MOLE PER CENT OF AN OXIDE OF METAL OF GROUP VI OF THE PERIODIC TABLE HAVING AN ATOMIC WEIGHT OF AT LEAST BOUT 96 AND AN OXIDE OF TELLURIUM.
References Cited (Backward Citations)
US2530923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |