US3098716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of bromine from solutions thereof
Assignee: EIDP Inc
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Filing: 1960-08-31
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Granted: 1963-07-23
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Gradishar Frederick John
- 👤 Hein Rowland Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:50
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/09; C01B7/096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR REMOVING BROMINE FROM A DILUTE BROMIDE-CONTAINING CHLORIDE BRINE WHEREIN THE CL/BR RATIO IS WITHIN THE RANGE 20/1 TO 500/1 WHICH COMPRISES ACIDIFYING SAID BRINE, OXIDIZING THE BROMIDE CONTENT THEREOF TO BROMINE, AND COCURRENTLY AND CONTINUOUSLY CONTACTING SAID BRINE WITH A STRONG BASE ANION EXCHANGE RESIN IN AN ELONGATED CHANNEL, SAID BRINE AND RESIN FLOWING IN THE SAME DIRECTION UNDER CONDITIONS OF TURBULENT FLOW AND THEN SEPARATING THE RESULTING BROMINE-HADEN RESIN FROM RESIDUAL WATER PHASE AND RECOVERING THE BROMINE FROM THE BROMINELADEN RESIN.
Claim 2
Dependent Claim
85 words
A PROCESS FOR REMOVING BROMINE FROM A DILUTE BROMIDE-CONTAINING CHLORIDE BRINE WHEREIN THE CL/BR RATIO IS WITHIN THE RANGE 20/1 TO 500/1 WHICH COMPRISES ACIDIFYING SAID BRINE, OXIDIZING THE BROMIDE CONTENT THEREOF TO BROMINE, AND COCURRENTLY AND CONTINUOUSLY CONTACTING SAID BRINE WITH A STRONG BASE ANION EXCHANGE RESIN IN AN ELONGATED CHANNEL, SAID BRINE AND RESIN FLOWING IN THE SAME DIRECTION UNDER CONDITIONS OF TURBULENT FLOW AND THEN SEPARATING THE RESULTING BROMINE-HADEN RESIN FROM RESIDUAL WATER PHASE AND RECOVERING THE BROMINE FROM THE BROMINELADEN 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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |