US3192259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alpha, beta-unsaturated oxygen-containing compounds
Assignee: Shell USA Inc
•
Filing: 1961-10-06
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Granted: 1965-06-29
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Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 Lloyd C Fetterly
- 👤 Kenneth F Koetitz
- 👤 George W Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:02
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE PROCESS FOR THE CONVERSION OF AN ALPHA MONOOLEFINIC HYDROCARBON HAVING FROM THREE TO FOUR CARBON ATOMS TO THE MOLECULE TO A REACTION MIXTURE COMPRISING A SUBSTANTIAL AMOUNT OF ALPHA, BETA-UNSATURATED ALIPHATIC MONO-CARBOXYLIC ACID CORRESPONDING TO SAID OLEFINIC HYDROCARBONS, WHICH COMPROMISES REACTING SAID OLEFINIC HHYDROCARBON IN THE VAPOR PHASE WITH OXYGEN AT A TEMPERATURE OF FROM ABOUT 350 TO ABOUT 575*C., IN A BED OF CATALYST CONSISTING ESSENTIALLY OF PHOSPHOMOLYBDIC ACID IN COMBINATION WITH AN OXIDE OF TELLURIUM, SAID CATALYST CONTAINING THE TELLURIUM COMPONENT IN THE RANGE OF FROM ABOUT 0.1 TO ABOUT 10% BY WEIGHT OF SAID CATALYST.
Claim 2
Dependent Claim
99 words
THE PROCESS FOR THE CONVERSION OF AN ALPHA MONOOLEFINIC HYDROCARBON HAVING FROM THREE TO FOUR CARBON ATOMS TO THE MOLECULE TO A REACTION MIXTURE COMPRISING A SUBSTANTIAL AMOUNT OF ALPHA, BETA-UNSATURATED ALIPHATIC MONO-CARBOXYLIC ACID CORRESPONDING TO SAID OLEFINIC HYDROCARBONS, WHICH COMPROMISES REACTING SAID OLEFINIC HHYDROCARBON IN THE VAPOR PHASE WITH OXYGEN AT A TEMPERATURE OF FROM ABOUT 350 TO ABOUT 575*C., IN A BED OF CATALYST CONSISTING ESSENTIALLY OF PHOSPHOMOLYBDIC ACID IN COMBINATION WITH AN OXIDE OF TELLURIUM, SAID CATALYST CONTAINING THE TELLURIUM COMPONENT IN THE RANGE OF FROM ABOUT 0.1 TO ABOUT 10% BY WEIGHT OF SAID CATALYST.
References Cited (Backward Citations)
US2653138A
Cited
US3009943A
Cited
US2744928A
Cited
US2941007A
Cited
US3065264A
Cited
US3098102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |