US2733196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of sea water for evaporating plants
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/042; Y; Y10; Y10S; Y10S159/00; Y10S159/38; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
IN THE EVAPORATION OF SEA WATER NORMALLY CONTAINING CALCIUM AND MAGNESIUM FOR THE PRODUCTION OF DISTILLED WATER, IN WHICH THE SEA WATER IS HEATED BY HEATING SURFACES IN AN EVAPORATOR, THE STEPS OF SUPPLYING SEA WATER TO THE EVAPORATOR, DISCHARGING BRINE FROM THE EVAPORATOR, PREVENTING THE DEPOSITION OF CALCIUM CARBONATE SCALE AND MAGNESIUM HYDROXIDE SCALE ON THE HEATING SURFACES OF THE EVAPORATOR DURING THE EVAPORATION OF THE SEA WATER IN THE EVAPORATOR BY INTRODUCING INTO THE EVAPORATOR A SEA WATER SOLUBLE SALT OF AT LEAST ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF IRON, ALUMINUM AND ZINC, THE METAL ION OF SAID SALT HAVING THE PROPERTY OF COMBINING WITH HYDROXYL IONS PRESENT IN THE SEA WATER TO FORM AN INSOLUBLE HYDROXIDE IN THE SEA WATER IN THE EVAPORATOR AND THE FUNCTION OF PREVENTING SCALE FORMATION IN THE EVAPORATOR FROM THE CALCIUM AND MAGNESIUM CONTENT OF THE SEA WATER IN THE EVAPORATOR, EFFECTING THE EVAPORATION OF THE SEA WATER IN THE PRESENCE OF SAID SALT AND THE HYDROXIDE FORMED THEREFROM, AND DISCHARGING THE HYDROXIDE OF THE METAL OF SAID SALT ALONG WITH THE CALCIUM AND MAGNESIUM CONTENT OF THE SEA WATER IN THE BRINE DISCHARGED FROM THE EVAPORATOR.
Claim 2
Dependent Claim
199 words
IN THE EVAPORATION OF SEA WATER NORMALLY CONTAINING CALCIUM AND MAGNESIUM FOR THE PRODUCTION OF DISTILLED WATER, IN WHICH THE SEA WATER IS HEATED BY HEATING SURFACES IN AN EVAPORATOR, THE STEPS OF SUPPLYING SEA WATER TO THE EVAPORATOR, DISCHARGING BRINE FROM THE EVAPORATOR, PREVENTING THE DEPOSITION OF CALCIUM CARBONATE SCALE AND MAGNESIUM HYDROXIDE SCALE ON THE HEATING SURFACES OF THE EVAPORATOR DURING THE EVAPORATION OF THE SEA WATER IN THE EVAPORATOR BY INTRODUCING INTO THE EVAPORATOR A SEA WATER SOLUBLE SALT OF AT LEAST ONE OF THE METALS SELECTED FROM THE GROUP CONSISTING OF IRON, ALUMINUM AND ZINC, THE METAL ION OF SAID SALT HAVING THE PROPERTY OF COMBINING WITH HYDROXYL IONS PRESENT IN THE SEA WATER TO FORM AN INSOLUBLE HYDROXIDE IN THE SEA WATER IN THE EVAPORATOR AND THE FUNCTION OF PREVENTING SCALE FORMATION IN THE EVAPORATOR FROM THE CALCIUM AND MAGNESIUM CONTENT OF THE SEA WATER IN THE EVAPORATOR, EFFECTING THE EVAPORATION OF THE SEA WATER IN THE PRESENCE OF SAID SALT AND THE HYDROXIDE FORMED THEREFROM, AND DISCHARGING THE HYDROXIDE OF THE METAL OF SAID SALT ALONG WITH THE CALCIUM AND MAGNESIUM CONTENT OF THE SEA WATER IN THE BRINE DISCHARGED FROM THE EVAPORATOR.
References Cited (Backward Citations)
US1927027A
Cited
US1757526A
Cited
US1918555A
Cited
US2359281A
Cited
US2360730A
Cited
US2373884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |