US3310380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bromine recovery
Assignee: Universal Oil Products Co
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Filing: 1964-02-13
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Granted: 1967-03-21
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 George R Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:10
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/10; B01J23/70; B01J23/72; C; C01; C01B; C01B7/00; C01B7/09; C01B7/096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN A PROCESS FOR THE RECOVERY OF BROMINE BY PASSING A HYDROCARBON STREAM CONTAINING COMBINED BROMINE INTO A FIRST REACTOR CONTAINING A CATALYTIC-ADSORBENT COMPOSITE SELECTED FROM THE GROUP CONSISTING OF AN OXIDE OF COPPER AND CERIUM ON AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND ZINE, TO DEHYDROBROMINATE SAME TO PRODUCE UNSATURATED HYDROCARBONS AND HYDROGEN BROMIDE, CONTACTING SAID STREAM WITH SAID COMPOSITE AND SORBING HYDROGEN BROMIDE ON THE COMPOSITE, RECOVERING UNSATURATED HYDROCARBON, AND THEREAFTER CONTACTING SAID COMPOSITE WITH AN OXYGEN-CONTAINING GAS AT OXIDATION CONDITIONS TO OXIDIZE SORBED HYDROGEN BROMIDE TO BROMINE AND WATER, THE IMPROVEMENT WHICH COMPRISES PASSING THE RESULTANT FIRST REACTOR EFFLUENT COMPRISING BORMINE, WATER AND UNREACTED HYDROGEN BROMIDE INTO A SECOND REACTOR, CONTACTING SAID EFFLUENT IN ADMIXTURE WITH AN OXYGEN-CONTAINING GAS AND AT OXIDATION CONDITIONS IN THE SECOND REACTOR WITH A CATALYTIC-INERT SUPPORT COMPOSITE SELECTED FROM THE GROUP CONSISTING OF AN OXIDE OF COPPER AND CERIUM ON A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ZIRCONIZ, ALPHA-ALUMINA AND THETA-ALUMINA AND THEREIN DIRECTLY OXIDIZING THE UNREACTED HYDROGEN BROMIDE TO BROMIDE, AND RECOVERING THE RESULTANT ELEMENTAL BROMINE.
Claim 2
Dependent Claim
183 words
IN A PROCESS FOR THE RECOVERY OF BROMINE BY PASSING A HYDROCARBON STREAM CONTAINING COMBINED BROMINE INTO A FIRST REACTOR CONTAINING A CATALYTIC-ADSORBENT COMPOSITE SELECTED FROM THE GROUP CONSISTING OF AN OXIDE OF COPPER AND CERIUM ON AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND ZINE, TO DEHYDROBROMINATE SAME TO PRODUCE UNSATURATED HYDROCARBONS AND HYDROGEN BROMIDE, CONTACTING SAID STREAM WITH SAID COMPOSITE AND SORBING HYDROGEN BROMIDE ON THE COMPOSITE, RECOVERING UNSATURATED HYDROCARBON, AND THEREAFTER CONTACTING SAID COMPOSITE WITH AN OXYGEN-CONTAINING GAS AT OXIDATION CONDITIONS TO OXIDIZE SORBED HYDROGEN BROMIDE TO BROMINE AND WATER, THE IMPROVEMENT WHICH COMPRISES PASSING THE RESULTANT FIRST REACTOR EFFLUENT COMPRISING BORMINE, WATER AND UNREACTED HYDROGEN BROMIDE INTO A SECOND REACTOR, CONTACTING SAID EFFLUENT IN ADMIXTURE WITH AN OXYGEN-CONTAINING GAS AND AT OXIDATION CONDITIONS IN THE SECOND REACTOR WITH A CATALYTIC-INERT SUPPORT COMPOSITE SELECTED FROM THE GROUP CONSISTING OF AN OXIDE OF COPPER AND CERIUM ON A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ZIRCONIZ, ALPHA-ALUMINA AND THETA-ALUMINA AND THEREIN DIRECTLY OXIDIZING THE UNREACTED HYDROGEN BROMIDE TO BROMIDE, AND RECOVERING THE RESULTANT ELEMENTAL BROMINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |