US3075830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous fluid bed adsorption of bromine on anion exchange resin
Assignee: EIDP Inc
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Filing: 1961-03-30
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Granted: 1963-01-29
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Schoenbeck Leland Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:17
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/09; C01B7/096; B; B01; B01J; B01J41/00; B01J41/04; B01J41/05; B01J8/00; B01J8/18; B01J8/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A COUNTER-CURRENT FLUID BED PROCESS RECOVERING BROMINE FROM AQUEOUS SOLUTION BY ABSORPTION ON AN ANION EXCHANGE RESIN, WHICH PROCESS COMPRISES (1) PASSING A BROMIDE SOLUTION UP THROUGH A BED OF RESIN GRANULES IN THE FORM SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDE FORM AND THE BROMIDE FORM WHEREBY BROMINE IS ABSORBED FROM SOLUTION ON THE RESIN WITH THE RESIN BECOMING BROMINE-RICH AND SUBSTANTIALLY MORE DENSE; (2) ADJUSTING THE FLOW OF THE BROMINE SOLUTION SUCH THAT THE FLOW IS NON-TURBULENT AT A RATE THAT IS SUFFICIENT TO FLUIDIZE THE BED BUT IS LESS THAN THE SETTLING RATE OF BROMINE-RICH RESIN, THE BROMINE-RICH RESIN THUS SETTLING AND ACCULATING AT THE LOWER END OF THE BED, (3) DRAWING OFF BROMINE-RICH SETTLED RESIN, FOLLOWED BY RECOVERING BROMINE FROM SAID RESIN.
Claim 2
Dependent Claim
127 words
A COUNTER-CURRENT FLUID BED PROCESS RECOVERING BROMINE FROM AQUEOUS SOLUTION BY ABSORPTION ON AN ANION EXCHANGE RESIN, WHICH PROCESS COMPRISES (1) PASSING A BROMIDE SOLUTION UP THROUGH A BED OF RESIN GRANULES IN THE FORM SELECTED FROM THE GROUP CONSISTING OF THE CHLORIDE FORM AND THE BROMIDE FORM WHEREBY BROMINE IS ABSORBED FROM SOLUTION ON THE RESIN WITH THE RESIN BECOMING BROMINE-RICH AND SUBSTANTIALLY MORE DENSE; (2) ADJUSTING THE FLOW OF THE BROMINE SOLUTION SUCH THAT THE FLOW IS NON-TURBULENT AT A RATE THAT IS SUFFICIENT TO FLUIDIZE THE BED BUT IS LESS THAN THE SETTLING RATE OF BROMINE-RICH RESIN, THE BROMINE-RICH RESIN THUS SETTLING AND ACCULATING AT THE LOWER END OF THE BED, (3) DRAWING OFF BROMINE-RICH SETTLED RESIN, FOLLOWED BY RECOVERING BROMINE FROM SAID RESIN.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |