Patent US2614031A successfully refreshed from Google Patents.
US2614031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-liquid extraction tower
Assignee: Standard Oil Development Co
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Filing: 1950-04-19
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Granted: 1952-10-14
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Expires: 1970-04-19
Abstract
No abstract record available.
Inventors
- 👤 Richard B Tickler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:36
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A LIQUID-LIQUID EXTRACTION TOWER, THE COMBINATION COMPRISING A SHELL, A VERTICAL SERIES OF TRANSVERSE PLATE MEMBERS SEALED PERIPHERALLY TO THE SHELL IN ZIG-ZAG, ANGULARLY SLOPED RELATIONSHIP THERETO, AND TO EACH OTHER, EACH PAIR OF PLATES EXTENDING FROM AN AREA OF VERTICALLY SPACED MAXIMUM CONVERGENCE AGAINST THE SHELL TO A DIAMETRICALLY OPPOSED AREA OF VERTICALLY SPACED MAXIMUM DIVERGENCE AGAINST THE SHELL, EACH PAIR OF PLATES WITH THE SHELL DEFINING A CONFINED MIXING ZONE IN SAID AREA OF MAXIMUM CONVERGENCE, AND A SETTLING ZONE IN DIRECT COMMUNICATION WITH SAID MIXING ZONE EXTENDING LATERALLY THEREFROM AND PROGRESSIVELY ENLARGED TOWARD THE OPPOSITE AREA OF MAXIMUM DIVERGENCE, DIAMETRICALLY OPPOSED PERFORATED AREAS IN EACH PLATE ADJACENT THE SHELL WALL SUBSTANTIALLY CORRESPONDING TO SAID AREAS OF MAXIMUM CONVERGENCE AND DIVERGENCE RESPECTIVELY, AN INLET TO SAID SHELL ABOVE THE UPPERMOST PLATE IN SAID SERIES AND AN OUTLET BELOW THE LOWERMOST PLATE THEREOF.
Claim 2
Dependent Claim
145 words
IN A LIQUID-LIQUID EXTRACTION TOWER, THE COMBINATION COMPRISING A SHELL, A VERTICAL SERIES OF TRANSVERSE PLATE MEMBERS SEALED PERIPHERALLY TO THE SHELL IN ZIG-ZAG, ANGULARLY SLOPED RELATIONSHIP THERETO, AND TO EACH OTHER, EACH PAIR OF PLATES EXTENDING FROM AN AREA OF VERTICALLY SPACED MAXIMUM CONVERGENCE AGAINST THE SHELL TO A DIAMETRICALLY OPPOSED AREA OF VERTICALLY SPACED MAXIMUM DIVERGENCE AGAINST THE SHELL, EACH PAIR OF PLATES WITH THE SHELL DEFINING A CONFINED MIXING ZONE IN SAID AREA OF MAXIMUM CONVERGENCE, AND A SETTLING ZONE IN DIRECT COMMUNICATION WITH SAID MIXING ZONE EXTENDING LATERALLY THEREFROM AND PROGRESSIVELY ENLARGED TOWARD THE OPPOSITE AREA OF MAXIMUM DIVERGENCE, DIAMETRICALLY OPPOSED PERFORATED AREAS IN EACH PLATE ADJACENT THE SHELL WALL SUBSTANTIALLY CORRESPONDING TO SAID AREAS OF MAXIMUM CONVERGENCE AND DIVERGENCE RESPECTIVELY, AN INLET TO SAID SHELL ABOVE THE UPPERMOST PLATE IN SAID SERIES AND AN OUTLET BELOW THE LOWERMOST PLATE THEREOF.
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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |