Patent US2804941A successfully refreshed from Google Patents.
US2804941A
Expired / Lapsed
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Vapor-liquid contacting method
Assignee: Individual
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Filing: 1956-02-21
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Granted: 1957-09-03
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Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur J L Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:10
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A METHOD FOR VAPOR-LIQUID CONTACTING IN A COMPONENT INTERCHANGE UNIT WHICH COMPRISES SEPARATELY INTRODUCING LIQUID AND VAPOR INTO SAID UNIT, COLLECTING AND MAINTAINING A FIRST RELATIVELY QUISESCENT BODY OF LIQUID IN A LIQUID COLLECTING ZONE OF SAID UNIT, FLOWING A METERED PORTION OF SAID COLLECTED LIQUID INTO A SECOND BODY OF LIQUID MAINTAINED IN A LIQUID ENTRAINING ZONE OF SAID UNIT THE AMOUNT OF LIQUID THUS METERED BEING CONTROLLED INDEPENDENTLY OF THE RATE OF VAPOR FLOW, ENTRAINING LIQUID FROM SAID SECOND BODY BY VAPORS FLOWING UPWARDLY THROUGH SAID ENTRAINING ZONE AT A VELOCITY SUFFICIENT TO ENTRAIN AN AMOUNT OF LIQUID SUBSTANTIALLY THE SAME AS THE AMOUNT OF LIQUID METERED TO SAID SECOND BODY OF SAID LIQUID, PASSING THE VAPOR AND ENTRAINED LIQUID INTO A DISENGAGING ZONE OF SAID UNIT ABOVE SAID COLLECTING ZONE, SEPARATING THE ENTRAINED LIQUID FROM THE VAPOR, PASSING THE SEPARATED LIQUID TO THE FIRST BODY OF LIQUID IN SAID COLLECTING ZONE, RETURING TO THE SECOND BODY OF LIQUID A METERED PORTION OF THE THUS SEPARATED AND COLLECTED LIQUID FOR ENTRAINMENT AS DESCRIBED, AND REMOVING A PORTION OF SAID LIQUID FROM SAID INTERCHANGE UNIT.
Claim 2
Independent Claim
186 words
A METHOD FOR VAPOR-LIQUID CONTACTING IN A COMPONENT INTERCHANGE UNIT WHICH COMPRISES SEPARATELY INTRODUCING LIQUID AND VAPOR INTO SAID UNIT, COLLECTING AND MAINTAINING A FIRST RELATIVELY QUISESCENT BODY OF LIQUID IN A LIQUID COLLECTING ZONE OF SAID UNIT, FLOWING A METERED PORTION OF SAID COLLECTED LIQUID INTO A SECOND BODY OF LIQUID MAINTAINED IN A LIQUID ENTRAINING ZONE OF SAID UNIT THE AMOUNT OF LIQUID THUS METERED BEING CONTROLLED INDEPENDENTLY OF THE RATE OF VAPOR FLOW, ENTRAINING LIQUID FROM SAID SECOND BODY BY VAPORS FLOWING UPWARDLY THROUGH SAID ENTRAINING ZONE AT A VELOCITY SUFFICIENT TO ENTRAIN AN AMOUNT OF LIQUID SUBSTANTIALLY THE SAME AS THE AMOUNT OF LIQUID METERED TO SAID SECOND BODY OF SAID LIQUID, PASSING THE VAPOR AND ENTRAINED LIQUID INTO A DISENGAGING ZONE OF SAID UNIT ABOVE SAID COLLECTING ZONE, SEPARATING THE ENTRAINED LIQUID FROM THE VAPOR, PASSING THE SEPARATED LIQUID TO THE FIRST BODY OF LIQUID IN SAID COLLECTING ZONE, RETURING TO THE SECOND BODY OF LIQUID A METERED PORTION OF THE THUS SEPARATED AND COLLECTED LIQUID FOR ENTRAINMENT AS DESCRIBED, AND REMOVING A PORTION OF SAID LIQUID FROM SAID INTERCHANGE UNIT.
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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |