Patent US3285834A successfully refreshed from Google Patents.
US3285834A
Expired / Lapsed
US
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Multiple-effect evaporation utilizing submerged combustion heat
Assignee: Lummus Technology LLC
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Filing: 1962-12-10
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Granted: 1966-11-15
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Salvatore A Guerrieri
- 👤 Marcel J P Bogart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/10; Y; Y10; Y10S; Y10S159/00; Y10S159/25; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR PRODUCING A SUBSTANTIALLY SALT-FREE WATER FROM SALINE WATER, COMPRISING THE STEPS OF SUBJECTING SAID SALINE WATER TO MULTIPLE-EFFECT EVAPORATION TO YIELD A SALT-FREE WATER PRODUCT AND A CONCENTRATED BRINE, FURTHER CONCENTRATING SAID CONCENTRATED BRINE TO A SLURRY BY DIRECT CONTACT WITH COMBUSTION PRODUCTS IN A SUBMERGED COMBUSTION UNTI, SEPARATING SAID SLURRY INTO A SOLID RESIDUE
Claim 2
Dependent Claim
58 words
A PROCESS FOR PRODUCING A SUBSTANTIALLY SALT-FREE WATER FROM SALINE WATER, COMPRISING THE STEPS OF SUBJECTING SAID SALINE WATER TO MULTIPLE-EFFECT EVAPORATION TO YIELD A SALT-FREE WATER PRODUCT AND A CONCENTRATED BRINE, FURTHER CONCENTRATING SAID CONCENTRATED BRINE TO A SLURRY BY DIRECT CONTACT WITH COMBUSTION PRODUCTS IN A SUBMERGED COMBUSTION UNTI, SEPARATING SAID SLURRY INTO A SOLID RESIDUE
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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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |