Patent US2615930A successfully refreshed from Google Patents.
Patent US3147072A successfully refreshed from Google Patents.
US3147072A
Expired / Lapsed
US
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Method of processing sea water
Assignee: Individual
•
Filing: 1961-01-04
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Granted: 1964-09-01
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Expires: 1981-01-04
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Thomsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:02
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/042; C02F1/66; C02F2103/00; C02F2103/08; C02F5/00; C02F5/02; Y; Y10; Y10S; Y10S159/00; Y10S159/17; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
THE METHOD OF PROCESSING SEA WATER WHICH COMPRISES; COMMINGLING SEA WATER WITH HOT EXHAUST GASES ISSUING FROM AN INTERNAL COMBUSTION PRIME MOVER TO RAISE THE TEMPERATURE OF SAID WATER TO APPROXIMATELY ITS BOILING POINT; COMMINGLING SUFFICIENT SODIUM HYDROXIDE WITH SAID HEATED SEA WATER TO PRECIPITATE AS MAGNESIUM HYDROXIDE ALL THE RESIDENT MAGNESIUM AND SEPARATING SAID PRECIPITATE; COMMINGLING THE RESULTANT MAGNESIUM-FREE SEA WATER WITH SUFFICIENT SODIUM CARBONATE TO PRECIPITATE ALL RESIDENT CALCIUM AS CALCIUM CARBONATE AND REMOVING SAID PRECIPITATE; PASSING THE RESULTANT MAGNESIUM-FREE AND CALCIUM FREE SEA WATER, PROGRESSIVELY, THROUGH A SERIES OF VESSELS EACH ONE OF WHICH IS MAINTAINED AT A HIGHER VACUUM THAN THE PRECEDING ONE THUS GENERATING STEAM ON EACH PASSAGE TO A HIGHER VACUUM, THE STEAM SO GENERATED BEING CONDENSED BY CONTACT WITH THE VESSEL HAVING THE NEXT HIGHER VACUUM IN THE SERIES, THE LATENT HEAT RESIDENT IN SAID STEAM BEING CONVERTED INTO ADDITIONAL EVAPORATION WITHIN SAID VESSEL, THUS COMPOUNDING THE EVAPORATIVE EFFECT; RE-CYCLING THE LIQUID FROM THE HIGHEST VACUUM VESSEL BACK TO THE COMMINGLING STEP WITH EXHAUST GASES FROM SAID PRIME MOVER THUS REGAINING THE TEMPERATURE LOST DURING THE VACUUM TREATMENT AND CONTINUING SAID RE-CYCLING UNTIL THE TREATED SEA WATER SHALL BE APPROXIMATELY SATURATED AS TO ITS SODIUM CHLORIDE CONTENT.
Claim 2
Independent Claim
204 words
THE METHOD OF PROCESSING SEA WATER WHICH COMPRISES; COMMINGLING SEA WATER WITH HOT EXHAUST GASES ISSUING FROM AN INTERNAL COMBUSTION PRIME MOVER TO RAISE THE TEMPERATURE OF SAID WATER TO APPROXIMATELY ITS BOILING POINT; COMMINGLING SUFFICIENT SODIUM HYDROXIDE WITH SAID HEATED SEA WATER TO PRECIPITATE AS MAGNESIUM HYDROXIDE ALL THE RESIDENT MAGNESIUM AND SEPARATING SAID PRECIPITATE; COMMINGLING THE RESULTANT MAGNESIUM-FREE SEA WATER WITH SUFFICIENT SODIUM CARBONATE TO PRECIPITATE ALL RESIDENT CALCIUM AS CALCIUM CARBONATE AND REMOVING SAID PRECIPITATE; PASSING THE RESULTANT MAGNESIUM-FREE AND CALCIUM FREE SEA WATER, PROGRESSIVELY, THROUGH A SERIES OF VESSELS EACH ONE OF WHICH IS MAINTAINED AT A HIGHER VACUUM THAN THE PRECEDING ONE THUS GENERATING STEAM ON EACH PASSAGE TO A HIGHER VACUUM, THE STEAM SO GENERATED BEING CONDENSED BY CONTACT WITH THE VESSEL HAVING THE NEXT HIGHER VACUUM IN THE SERIES, THE LATENT HEAT RESIDENT IN SAID STEAM BEING CONVERTED INTO ADDITIONAL EVAPORATION WITHIN SAID VESSEL, THUS COMPOUNDING THE EVAPORATIVE EFFECT; RE-CYCLING THE LIQUID FROM THE HIGHEST VACUUM VESSEL BACK TO THE COMMINGLING STEP WITH EXHAUST GASES FROM SAID PRIME MOVER THUS REGAINING THE TEMPERATURE LOST DURING THE VACUUM TREATMENT AND CONTINUING SAID RE-CYCLING UNTIL THE TREATED SEA WATER SHALL BE APPROXIMATELY SATURATED AS TO ITS SODIUM CHLORIDE CONTENT.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |