Patent US2495917A successfully refreshed from Google Patents.
US3132096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous saline water purification
Assignee: ExxonMobil Oil Corp
•
Filing: 1961-11-21
•
Granted: 1964-05-05
•
Expires: 1981-11-21
Abstract
No abstract record available.
Inventors
- 👤 Paul R Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:45
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/22; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S62/00; Y10S62/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD FOR PREPARING POTABLE WATER FROM SALINE WATER WHICH COMPRISES PASSING FORMED CLATHRATE CRYSTALS FROM A CLATHRATE CRYSTAL FORMING ZONE THROUGH A BRINE REMOVAL ZONE, A WASHING ZONE AND INTO A MELT ZONE UNDER DESIRED TEMPERATURE AND PRESSURE CONDITIONS AS A SUBSTANTIAL COMPACT MASS OF CRYSTALS AT LEAST BETWEEN ZONES, COUNTERCURRENTLY WASHING THE CRYSTALS IN THE WASH ZONE WITH POTABLE WATER OBTAINED FROM THE MELT ZONE, PASSING THE WASH WATER FROM THE LOWER PORTION OF THE WASH ZONE TO THE CRYSTAL FORMING ZONE, OBTAINING AND SEPARATING POTABLE WATER FROM GASEOUS MATERIAL FROM THE CLATHRATE CRYSTALS IN SAID MELT ZONE, COMPRESSING GASEOUS MATERIAL SEPARATED IN SAID MELT ZONE, COOLING THE COMPRESSED GASEOUS MATERIAL BY INDIRECT HEAT EXCHANGE WITH THE LIQUID IN SAID MELT ZONE AND THEREAFTER PASSING COOLED GASEOUS MATERIAL IN DIRECT AND INDIRECT CONTACT WITH SALINE WATER IN SAID CLATHRATE CRYSTAL FORMING ZONE.
Claim 2
Independent Claim
144 words
A METHOD FOR PREPARING POTABLE WATER FROM SALINE WATER WHICH COMPRISES PASSING FORMED CLATHRATE CRYSTALS FROM A CLATHRATE CRYSTAL FORMING ZONE THROUGH A BRINE REMOVAL ZONE, A WASHING ZONE AND INTO A MELT ZONE UNDER DESIRED TEMPERATURE AND PRESSURE CONDITIONS AS A SUBSTANTIAL COMPACT MASS OF CRYSTALS AT LEAST BETWEEN ZONES, COUNTERCURRENTLY WASHING THE CRYSTALS IN THE WASH ZONE WITH POTABLE WATER OBTAINED FROM THE MELT ZONE, PASSING THE WASH WATER FROM THE LOWER PORTION OF THE WASH ZONE TO THE CRYSTAL FORMING ZONE, OBTAINING AND SEPARATING POTABLE WATER FROM GASEOUS MATERIAL FROM THE CLATHRATE CRYSTALS IN SAID MELT ZONE, COMPRESSING GASEOUS MATERIAL SEPARATED IN SAID MELT ZONE, COOLING THE COMPRESSED GASEOUS MATERIAL BY INDIRECT HEAT EXCHANGE WITH THE LIQUID IN SAID MELT ZONE AND THEREAFTER PASSING COOLED GASEOUS MATERIAL IN DIRECT AND INDIRECT CONTACT WITH SALINE WATER IN SAID CLATHRATE CRYSTAL FORMING ZONE.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |