US2739996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process
Assignee: Phillips Petroleum Co
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Filing: 1951-07-30
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Granted: 1956-03-27
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Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 Emory W Pitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; C07C5/327; C07C5/333; C07C5/3332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS FOR DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON TO PRODUCE LESS SATURATED HYDROCARBONS WHICH COMPRISES CONTACTING SAID DEHYDROGENATABLE HYDROCARBON UNDER DEHYDROGENATING CONDITIONS WITH A COMPOSITE METAL OXIDE CATALYST MANUFACTURED BY THE STEPS COMPRISING DIGESTING WITH NITRIC ACID A MIXTURE OF THE OXIDES OF ALUMINUM AND AT LEAST ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF CR, MO, W, U, AND V IN COMMINUTED FORM: THEREAFTER HEATING THE DIGESTED MIXTURE SO AS TO COMPLETELY DRY AND HARDEN THE SAME AND DECOMPOSE ANY NITRATES THEREIN; AND FORMING THE RESULTING OXIDE COMPOSITE INTO SUITABLE PARTICLES FOR CONTACTING OPERATIONS.
Claim 2
Dependent Claim
96 words
A PROCESS FOR DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON TO PRODUCE LESS SATURATED HYDROCARBONS WHICH COMPRISES CONTACTING SAID DEHYDROGENATABLE HYDROCARBON UNDER DEHYDROGENATING CONDITIONS WITH A COMPOSITE METAL OXIDE CATALYST MANUFACTURED BY THE STEPS COMPRISING DIGESTING WITH NITRIC ACID A MIXTURE OF THE OXIDES OF ALUMINUM AND AT LEAST ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF CR, MO, W, U, AND V IN COMMINUTED FORM: THEREAFTER HEATING THE DIGESTED MIXTURE SO AS TO COMPLETELY DRY AND HARDEN THE SAME AND DECOMPOSE ANY NITRATES THEREIN; AND FORMING THE RESULTING OXIDE COMPOSITE INTO SUITABLE PARTICLES FOR CONTACTING OPERATIONS.
References Cited (Backward Citations)
US2438569A
Cited
US2483929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |