US3274099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous solid-fluid contacting process
Assignee: Universal Oil Products Co
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Filing: 1963-02-19
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Granted: 1966-09-20
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Donald B Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:13
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; B01J8/125; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/106; B01D2253/108; B01D2256/00; B01D2256/24; B01D2257/00; B01D2257/70; B01D2257/702; B01D2257/7027; B01D2259/00; B01D2259/40; B01D2259/40003; B01D2259/40005; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D53/04; B01D53/0407; B01D53/0423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AN IMPROVEMENT IN THE PROCESS FOR CONTINUOUSLY SEPARATING THE COMPONENTS OF A FLUID MIXTURE OF COMPOUNDS, AT LEAST ONE COMPONENT OF WHICH IS SELECTIVELY SORBED FROM THE MIXTURE BY CONTACT WITH A SOLID SORBENT AND AT LEAST ONE OTHER COMPONENT OF WHICH IS RELATIVELY LESS SORBED ON THE SOLID, IN WHICH PROCESS SAID MIXTURE IN FLUID OHASE IS CHARGED INTO A BED OF SOLID SORBENT PARTICLES MAINTAINED IN CONTINUOUS, CYCLIC AND EFFECTIVELY COUNTERCURRENT FLOW RELATIVE TO THE FLUID PHASE, REFFINATE IS WITHDRAWN FROM THE BED OF PARTICLES AT A POINT DOWNSTREAM FROM THE POINT OF CHARGING FEED STOCK, DESORBENT WHICH DISPLACES SORBATE COMPONENT FROM THE SOLID SORBENT IS CHARGED INTO SAID BED OF SORBENT PARTICLES AT A POINT DOWNSTREAM FROM THE POINT OF WITHDRAWING RAFFINATE, SORBATE IN ADMIXTURRE WITH DESORBENT IS WITHDRAWN FROM THE FLUID STREAM AT A POINT DOWNSTREAM FROM THE POINT AT WHICH DESORBENT IS CHARGED INTO THE PROCESS FLOW, A PORTION OF
Claim 2
Dependent Claim
155 words
AN IMPROVEMENT IN THE PROCESS FOR CONTINUOUSLY SEPARATING THE COMPONENTS OF A FLUID MIXTURE OF COMPOUNDS, AT LEAST ONE COMPONENT OF WHICH IS SELECTIVELY SORBED FROM THE MIXTURE BY CONTACT WITH A SOLID SORBENT AND AT LEAST ONE OTHER COMPONENT OF WHICH IS RELATIVELY LESS SORBED ON THE SOLID, IN WHICH PROCESS SAID MIXTURE IN FLUID OHASE IS CHARGED INTO A BED OF SOLID SORBENT PARTICLES MAINTAINED IN CONTINUOUS, CYCLIC AND EFFECTIVELY COUNTERCURRENT FLOW RELATIVE TO THE FLUID PHASE, REFFINATE IS WITHDRAWN FROM THE BED OF PARTICLES AT A POINT DOWNSTREAM FROM THE POINT OF CHARGING FEED STOCK, DESORBENT WHICH DISPLACES SORBATE COMPONENT FROM THE SOLID SORBENT IS CHARGED INTO SAID BED OF SORBENT PARTICLES AT A POINT DOWNSTREAM FROM THE POINT OF WITHDRAWING RAFFINATE, SORBATE IN ADMIXTURRE WITH DESORBENT IS WITHDRAWN FROM THE FLUID STREAM AT A POINT DOWNSTREAM FROM THE POINT AT WHICH DESORBENT IS CHARGED INTO THE PROCESS FLOW, A PORTION OF
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |