Patent US3236561A successfully refreshed from Google Patents.
Patent US3066096A successfully refreshed from Google Patents.
US3066096A
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Method for purification of saline water
Assignee: Individual
•
Filing: 1959-06-02
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Granted: 1962-11-27
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Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Howard J Blomquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:15
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0488; C; C02; C02F; C02F1/00; C02F1/26; C02F1/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN THE PURIFICATION OF SALINE WATER BY SOLVENT EXTRACTION, THE PROCESS WHICH COMPRISES CONTACTING THE SALINE WATER IN AN EXTRACTION ZONE WITH AN AMINE OF LOW MOLECULAR WEIGHT, SAID AMINE BEING IN GASEOUS FORM AND SELECTED FROM THE GROUP CONSISTING OF ALKYL SECONDARY AND TERTIARY AMINES, SAID AMINE BEING GASEOUS AT ORDINARY TEMPERATURES AND PRESSURES AND BEING SUBSTANTIALLY SOLUBLE IN WATER, THEREBY FORMING IN SAID ZONE A SOLUTION OF AMINE SOLVENT AND PURIFIED WATER AS A LIGHTER COMPONENT AND BRINE WATER AS A HEAVIER COPMPONENT, SEPARATING SAID SOLUTION FROM THE BRINE WATER BY THE DIFFERENCE IN THE SPECIFIC GRAVITIES OF SAID COMPONENTS, PASSING THE SEPARATED SOLUTION THROUGH AN EVAPORATION ZONE AND THERE SEPARATING AMINE AS A GASEOUS SOLVENT FROM THE PURIFIED WATER, AND RETURNING THE SEPARATED AMINE SOLVENT FROM THE EVAPORATION ZONE TO SAID EXTRACTION ZONE FOR CONTACT WITH A FURTHER QUANTITY OF SALINE WATER.
Claim 2
Dependent Claim
145 words
IN THE PURIFICATION OF SALINE WATER BY SOLVENT EXTRACTION, THE PROCESS WHICH COMPRISES CONTACTING THE SALINE WATER IN AN EXTRACTION ZONE WITH AN AMINE OF LOW MOLECULAR WEIGHT, SAID AMINE BEING IN GASEOUS FORM AND SELECTED FROM THE GROUP CONSISTING OF ALKYL SECONDARY AND TERTIARY AMINES, SAID AMINE BEING GASEOUS AT ORDINARY TEMPERATURES AND PRESSURES AND BEING SUBSTANTIALLY SOLUBLE IN WATER, THEREBY FORMING IN SAID ZONE A SOLUTION OF AMINE SOLVENT AND PURIFIED WATER AS A LIGHTER COMPONENT AND BRINE WATER AS A HEAVIER COPMPONENT, SEPARATING SAID SOLUTION FROM THE BRINE WATER BY THE DIFFERENCE IN THE SPECIFIC GRAVITIES OF SAID COMPONENTS, PASSING THE SEPARATED SOLUTION THROUGH AN EVAPORATION ZONE AND THERE SEPARATING AMINE AS A GASEOUS SOLVENT FROM THE PURIFIED WATER, AND RETURNING THE SEPARATED AMINE SOLVENT FROM THE EVAPORATION ZONE TO SAID EXTRACTION ZONE FOR CONTACT WITH A FURTHER QUANTITY OF SALINE WATER.
References Cited (Backward Citations)
US2904511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |