US2979442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the prevention of scale in sea water evaporators
Assignee: Individual
•
Filing: 1957-06-28
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Granted: 1961-04-11
•
Expires: 1977-06-28
Abstract
No abstract record available.
Inventors
- 👤 Walter L Badger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:25
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/26; B01D1/28; B01D1/2803; B01D1/2806; B01D1/284; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/042; Y; Y10; Y10S; Y10S159/00; Y10S159/13; Y10S159/39; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
151 words
A PROCESS FOR THE EVAPORATION OF SEA WATER INTO A VAPOR AND A DISTILLAND IN A PLURALITY OF EVAPORATING ZONES, INCLUDING A FIRST ZONE, A TERMINAL ZONE, AND A NUMBER OF INTERMEDIATE ZONES THEREBETWEEN, COMPRISING INTRODUCING THE SEA WATER INTO THE FIRST ZONE, INTRODUCING EXTRANEOUSLY PRODUCED FINELY DIVIDED SOLID MATERIAL HAVING THE COMPOSITION OF SEA WATER SCALE INTO A PREDETERMINED ONE OF SAID EVAPORATING ZONES TO PROVIDE THEREIN FREELY DISPERSED NUCLEI, HEATING THE SEA WATER IN SAID FIRST, SUBSEQUENT INTERMEDIATE, AND TERMINAL ZONES, PASSING THE SEA WATER DISTILLAND AS A FLOW SUCCESSIVLEY FROM ONE ZONE TO THE NEXT TOWARDS THE SAID TERMINAL ZONE, REMOVING THE VAPORS OVERHEAD FROM EACH ZONE, SUCCESSIVELY INCREASING THE CONCENTRATION OF THE SEA WATER DISTILLAND IN EACH SUCCESSIVE ZONE, REMOVING A PARTIALLY CONCENTRATED DISTILLAND FROM ONE OF SAID INTERMEDIATE EVAPORATION ZONES, THE PARTIALLY CONCENTRATED DISTILLAND CONTAINING A SUSPENSION OF SCALE FORMING MATERIALS COMPRISING AT LEAST ONE MEM-
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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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |