US3563860A
Expired / Lapsed
US
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Evaporation-condensation recovery of a solution component using vapor-per-meable wall spaced from a cold wall
Assignee: Individual
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Filing: 1968-03-14
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Granted: 1971-02-16
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Expires: 1988-03-14
Abstract
Abstract A PROCESS AND APPARATUS FOR SEPARATING A COMPONENT FROM A SOLUTION BY CIRCULATING HOT LIQUID TO BE DISTILLED AND, IN COUNTERCURRENT THERETO, COOLING LIQUID AT RESPECTIVELY OPPOSIT SIDES OF A GASEOUS REGION SITUATED BETWEEN A MEMBRANE WHICH IS PERMEABLE TO THE VAPOR OF THE COMPONENT TO BE SEPARATED AND A COLD WALL ON WHICH THAT VAPOR IS TO CONDENSE.
Inventors
- 👤 Yves Henderyckx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:18
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/36; B01D61/364; B01D63/00; B01D63/08; B01D63/082; B01D63/0822; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/464; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; B29C48/00; B29C48/03; C02F2103/00; C02F2103/08; Y; Y02; Y02A; Y02A20/00; Y02A20/124; Y10; Y10S; Y10S159/00; Y10S159/27; Y10S159/28
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |