US2688041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tellurium catalyst and method of selective oxidation
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-01-26
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Granted: 1954-08-31
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Expires: 1971-01-26
Abstract
No abstract record available.
Inventors
- 👤 William R Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:31
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/39; C07C45/33; C07C45/34; C07C45/35; C07C45/36; C07C45/38
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
A PROCESS FOR OXIDIZING A HYDROCARBON CONTAINING A RADICAL SELECTED FROM THE GROUP CONSISTING OF METHYL AND METHYLENE RADICALS DIRECTLY ADJACENT TO AN UNSATURATED CARBON TO CARBON LINKAGE, WHEREBY SAID RADICAL IS SELECTIVELY OXIDIZED TO A CARBONYL GROUP, WHICH COMPRISES CONTACTING SAID HYDROCARBON IN THE VAPOR STATE WITH AN OXYGEN-CONTAINING GAS IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF AN OXIDE OF TELLURIUM AND ABOUT 2 TO ABOUT 40 MOLE PER CENT OF AN OXIDE OF VANADIUM.
Claim 2
Dependent Claim
78 words
A PROCESS FOR OXIDIZING A HYDROCARBON CONTAINING A RADICAL SELECTED FROM THE GROUP CONSISTING OF METHYL AND METHYLENE RADICALS DIRECTLY ADJACENT TO AN UNSATURATED CARBON TO CARBON LINKAGE, WHEREBY SAID RADICAL IS SELECTIVELY OXIDIZED TO A CARBONYL GROUP, WHICH COMPRISES CONTACTING SAID HYDROCARBON IN THE VAPOR STATE WITH AN OXYGEN-CONTAINING GAS IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF AN OXIDE OF TELLURIUM AND ABOUT 2 TO ABOUT 40 MOLE PER CENT OF AN OXIDE OF VANADIUM.
Claim 3
Dependent Claim
24 words
A NOVEL CATALYST CONSISTING ESSENTIALLY OF ABOUT 2 TO ABOUT 40 MOLE PER CENT OF AN OXIDE OF VANADIUM AND AN OXIDE OF TELLURIUM.
Claim 4
Dependent Claim
24 words
A NOVEL CATALYST CONSISTING ESSENTIALLY OF ABOUT 2 TO ABOUT 40 MOLE PER CENT OF AN OXIDE OF VANADIUM AND AN OXIDE OF TELLURIUM.
References Cited (Backward Citations)
US2383711A
Cited
US2530923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |