US3758404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid liquid mass transfer process and apparatus
Assignee: Merichem Co
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Filing: 1971-07-09
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Granted: 1973-09-11
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Expires: 1991-07-09
Abstract
Abstract A COMPONENT OF AT LEAST ONE OF TWO IMMISCIBLE LIQUIDS IS TRANSFERRED INTO THE OTHER LIQUID BY INTRODUCING ONE OF THE LIQUIDS (THE "FIRST LIQUID") ONTO THE SURFACE OF FIBERS EXTENDING GENERALLY LINEARLY ALONG A CONDUIT WITH THE FIBERS FILLING THE CROSS-SECTIONAL AREA OF AT LEAST A PORTION OF THE LENGTH OF THE CONDUIT AND BEING WETTED PREFERENTIALLY BY THE FIRST LIQUID, FLOWING THE OTHER LIQUID (THE "SECOND LIQUID") THROUGH THE CONDUIT PAST THE FIBERS THEREBY DRAGGING A FILM OF THE FIRST LIQUID ALONG THE FIBERS, COLLECTING THE LIQUIDS IN A GRAVITY SEPARATOR APPOZIMATE THE DOWNSTREAM END OF THE FIBERS AND THEN SEPARATELY REMOVING THE TWO LIQUIDS FROM THE SEPARATOR.
Inventors
- 👤 K Clonts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:02
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; B; B01; B01D; B01D11/00; B01D11/04; B01D11/0446; B01D11/0449; B01D11/0453; C07C2527/00; C07C2527/02; C07C2527/053; C07C2527/054; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 0
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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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |