Patent US4927175A successfully refreshed from Google Patents.
Patent US2629654A successfully refreshed from Google Patents.
US2629654A
Expired / Lapsed
US
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Method and apparatus for contacting fluids
Assignee: Shell Development Co
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Filing: 1946-11-09
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Granted: 1953-02-24
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Expires: 1966-11-09
Abstract
No abstract record available.
Inventors
- 👤 Richard B Olney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:24
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0446; B01D11/0449; B01D11/0465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD FOR INTIMATELY CONTACTING TWO COUNTER FLOWING, AT LEAST PARTIALLY IMMISCIBLE FLUIDS HAVING DIFFERENT DENSITIES WHICH COMPRISES ESTABLISHING A SERIES OF CONTIGUOUS, HORIZONTALLY RESTRICTED BODIES OF THE LIGHTER FLUID LYING ON A SERIES OF CONTIGUOUS, HORZONTALLY RESTRICTED BODIES OF THE HEAVIER FOUID, AT LEAST ONE OF SAID BODIES OF THE LIGHTER FLUID LYING ABOVE PORTIONS OF TWO ADJACENT BODIES OF THE HEAVIER FLUID AND AT LEAST ONE OF SAID BODIES OF THE HEAVIER FLUID LYING BELOW PORTIONS OF TWO ADJACENT BODIES OF THE LIGTER FLUID , THERE BEING A PERFORATED MEMBER BETWEEN EACH RESTRICTED BODY OF HEAVIER FLUID AND THE SUPERNATANT BODY OF LIGHTER FLUID IN THE DIRECTION OF FLOW OF HEAVIER FLUID AND A LIQUID-LIQUID INTERFACE BETWEEN EACH RESTRICTED BODY OF HEAVIER FLUID AND ANOTHER BODY OF LIGHTER FLUID IN TTHE OPPOSITE DIRECTION; AND ALTERNATELY DISPERSING THE LIGHTER FLUID INTO THE HEAVIER FLUID THROUGH SAID PERFORATED MEMBERS AND DISPERSING THE HEAVIER FLUID INTO THE LIGHTER FLUID THROUGH EACH OF SAID PERFORATED MEMBERS.
Claim 2
Independent Claim
164 words
A METHOD FOR INTIMATELY CONTACTING TWO COUNTER FLOWING, AT LEAST PARTIALLY IMMISCIBLE FLUIDS HAVING DIFFERENT DENSITIES WHICH COMPRISES ESTABLISHING A SERIES OF CONTIGUOUS, HORIZONTALLY RESTRICTED BODIES OF THE LIGHTER FLUID LYING ON A SERIES OF CONTIGUOUS, HORZONTALLY RESTRICTED BODIES OF THE HEAVIER FOUID, AT LEAST ONE OF SAID BODIES OF THE LIGHTER FLUID LYING ABOVE PORTIONS OF TWO ADJACENT BODIES OF THE HEAVIER FLUID AND AT LEAST ONE OF SAID BODIES OF THE HEAVIER FLUID LYING BELOW PORTIONS OF TWO ADJACENT BODIES OF THE LIGTER FLUID , THERE BEING A PERFORATED MEMBER BETWEEN EACH RESTRICTED BODY OF HEAVIER FLUID AND THE SUPERNATANT BODY OF LIGHTER FLUID IN THE DIRECTION OF FLOW OF HEAVIER FLUID AND A LIQUID-LIQUID INTERFACE BETWEEN EACH RESTRICTED BODY OF HEAVIER FLUID AND ANOTHER BODY OF LIGHTER FLUID IN TTHE OPPOSITE DIRECTION; AND ALTERNATELY DISPERSING THE LIGHTER FLUID INTO THE HEAVIER FLUID THROUGH SAID PERFORATED MEMBERS AND DISPERSING THE HEAVIER FLUID INTO THE LIGHTER FLUID THROUGH EACH OF SAID PERFORATED MEMBERS.
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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |