US2624654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making purified brine
Assignee: Diamond Shamrock Corp
•
Filing: 1949-06-03
•
Granted: 1953-01-06
•
Expires: 1969-06-03
Abstract
No abstract record available.
Inventors
- 👤 Hirsch Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:38
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/14; C01D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE METHOD OF MAKING A SUBSTANTIALLY SATURATED SODIUM CHLORIDE BRINE FROM SOLID SODIUM CHLORIDE CONTAMINATED WITH IMPURITIES INCLUDING SULFATE, CALCIUM, AND MAGNESIUM SALTS, WHICH BRINE CONTAINS REDUCED AMOUNTS OF SAID IMPURITIES, WHICH INCLUDES THE STEPS OF CONTACTING A BODY OF SUCH CONTAMINATED SOLID SALT WITH A SOLUTION OF CALCIUM HYDROXIDE IN WATER, DISSOLVING SAID SALT THEREIN UNTIL SODIUM CHLORIDE SATURATION IS OBTAINED, REMOVING THE SALT-CONTAINING SOLUTION FROM CONTACT WITH SAID SOLID SALT AND IMPURITIES, INTRODUCING A CALCIUM PRECIPITATING AGENT INTO SAID SOLUTION TO PRECIPITATE A CALCIUM SALT FROM SAID SOLUTION, AND SEPARATING SAID CALCIUM SALT FROM SAID SOLUTION.
Claim 2
Independent Claim
98 words
THE METHOD OF MAKING A SUBSTANTIALLY SATURATED SODIUM CHLORIDE BRINE FROM SOLID SODIUM CHLORIDE CONTAMINATED WITH IMPURITIES INCLUDING SULFATE, CALCIUM, AND MAGNESIUM SALTS, WHICH BRINE CONTAINS REDUCED AMOUNTS OF SAID IMPURITIES, WHICH INCLUDES THE STEPS OF CONTACTING A BODY OF SUCH CONTAMINATED SOLID SALT WITH A SOLUTION OF CALCIUM HYDROXIDE IN WATER, DISSOLVING SAID SALT THEREIN UNTIL SODIUM CHLORIDE SATURATION IS OBTAINED, REMOVING THE SALT-CONTAINING SOLUTION FROM CONTACT WITH SAID SOLID SALT AND IMPURITIES, INTRODUCING A CALCIUM PRECIPITATING AGENT INTO SAID SOLUTION TO PRECIPITATE A CALCIUM SALT FROM SAID SOLUTION, AND SEPARATING SAID CALCIUM SALT FROM SAID SOLUTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |