Patent US2584785A successfully refreshed from Google Patents.
US2584785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for separation of mixtures
Assignee: Gulf Research and Development Co
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Filing: 1948-06-14
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Granted: 1952-02-05
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Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 John R Bowman
- 👤 Mario T Cichelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
B; B01; B01D; B01D5/00; B01D5/0003; B01D5/0024; B01D5/0012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE PROCESS OF PARTIALLY SEPARATING COMPONENTS OF A GAS MIXTURE WHICH COMPRISES ESTABLISHING A SUBSTANTIALLY UNOBSTRUCTED FLOW OF VAPOR THROUGH A SEPARATING ZONE, DISTRIBUTING THE GAS MIXTURE IN THE SEPARATING ZONE, REMOVING PART OF SAID VAPOR BY CAUSING IT TO UNDERGO A CHANGE OF PHASE IN A REGION OF REMOVAL WITHIN THE SEPARATING ZONE, THEREBY ESTABLISHING A CONCENTRATION GRADIENT IN THE SEPARATING ZONE, CAUSING A PART OF THE GAS TO FLOW WITHOUT SUBSTANTIAL TURBULENCE IN AN EXTENDED PATH NEAR SAID REGION OF REMOVAL TOWARD ONE EXTREMITY OF THE SEPARATING ZONE, CAUSING ANOTHER PART OF THE GAS TO FLOW COUNTERCURRENT TO THE FIRST MENTIONED PART WITHOUT SUBSTANTIAL TURBULENCE IN AN EXTENDED PATH MORE DISTANT FROM THE REGION OF REMOVAL AND TOWARD THE OPPOSITE EXTREMITY OF THE SEPARATING ZONE AND WITHDRAWING FROM SAID EXTREMITIES STREAMS OF DIFFORENT COMPOSITIONS.
Claim 2
Dependent Claim
136 words
THE PROCESS OF PARTIALLY SEPARATING COMPONENTS OF A GAS MIXTURE WHICH COMPRISES ESTABLISHING A SUBSTANTIALLY UNOBSTRUCTED FLOW OF VAPOR THROUGH A SEPARATING ZONE, DISTRIBUTING THE GAS MIXTURE IN THE SEPARATING ZONE, REMOVING PART OF SAID VAPOR BY CAUSING IT TO UNDERGO A CHANGE OF PHASE IN A REGION OF REMOVAL WITHIN THE SEPARATING ZONE, THEREBY ESTABLISHING A CONCENTRATION GRADIENT IN THE SEPARATING ZONE, CAUSING A PART OF THE GAS TO FLOW WITHOUT SUBSTANTIAL TURBULENCE IN AN EXTENDED PATH NEAR SAID REGION OF REMOVAL TOWARD ONE EXTREMITY OF THE SEPARATING ZONE, CAUSING ANOTHER PART OF THE GAS TO FLOW COUNTERCURRENT TO THE FIRST MENTIONED PART WITHOUT SUBSTANTIAL TURBULENCE IN AN EXTENDED PATH MORE DISTANT FROM THE REGION OF REMOVAL AND TOWARD THE OPPOSITE EXTREMITY OF THE SEPARATING ZONE AND WITHDRAWING FROM SAID EXTREMITIES STREAMS OF DIFFORENT COMPOSITIONS.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |