US3398547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recovering relatively pure water from saline solutions
Assignee: E-C Corp
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Filing: 1965-11-26
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Granted: 1968-08-27
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Cedomir M Sliepcevich
- 👤 Hadi T Hashemi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:35
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/22; B; B01; B01D; B01D9/00; B01D9/0004; B01D9/0009; B01D9/0059; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR RECOVERING FRESH WATER FROM A SALINE SOLUTION AND WHICH ENCOMPASSES THE STEP OF FREEZING ICE CRYSTALS FROM THE SALINE SOLUTION BY REDUCING THE PRESSURE ON THE SOLUTION TO FLASH THEREFROM THE VAPORS OF A REFRIGERANT SELECTED FROM THE CLASS CONSISTING OF WATER AND AN ORGANIC MATERIAL SUBSTANTIALLY IMMISCIBLE WITH WATER, THE IMPROVEMENT WHICH COMPRISES: MIXING WITH A CARRIER LIQUID, THE SALINE SOLUTION AND
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR RECOVERING FRESH WATER FROM A SALINE SOLUTION AND WHICH ENCOMPASSES THE STEP OF FREEZING ICE CRYSTALS FROM THE SALINE SOLUTION BY REDUCING THE PRESSURE ON THE SOLUTION TO FLASH THEREFROM THE VAPORS OF A REFRIGERANT SELECTED FROM THE CLASS CONSISTING OF WATER AND AN ORGANIC MATERIAL SUBSTANTIALLY IMMISCIBLE WITH WATER, THE IMPROVEMENT WHICH COMPRISES: MIXING WITH A CARRIER LIQUID, THE SALINE SOLUTION AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |