US2678111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidized adsorption process
Assignee: Standard Oil Development Co
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Filing: 1949-05-11
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Granted: 1954-05-11
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Expires: 1969-05-11
Abstract
No abstract record available.
Inventors
- 👤 Henry J Ogorzaly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:34
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/10; B01D53/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A PROCESS FOR THE SEPARATION OF GASEOUS COMPONENTS OF A MIXTURE COMPRISING A LESS READILY ABSORBENT COMPONENT A, A MORE READILY ADSORBED COMPONENT C, AND AN INTERMEDIATE COMPONENT B BY MEANS OF ADSORPTION BY A SOLID FLUIDIZED ADSORBENT WHICH COMPRISES, PASSING SAID FLUIDIZED ADSORBENT DOWNWARDLY THROUGH AN ADSORPTION ZONE HAVING AN ADSORPTION SECTION ABOVE THE GASEOUS MIXTURE FEED-POINT, AND A RECTIFICATION SECTION BELOW SAID FEED-POINT, FEEDING THE GASEOUS MIXTURE TO A LOWER PORTION OF THE ADSORPTION SECTION, REMOVING UNADSORBED COMPONENT A FROM AN UPPER PORTION OF THE ADSORPTION ZONE, REFLUXING THE ADSORBENT IN THE UPPER PORTION OF THE RECTIFICATION SECTION WITH A GAS COMPRISING COMPONENT B EMERGING FROM A LOWER SECTION OF THE RECTIFICATION SECTION, REFLUXING THE ADSORBENT IN THE MIDDLE PORTION OF THE RECTIFICATION SECTION WITH A GAS COMPRISING COMPONENT C EMERGING FROM THE LOWERMOST PORTION OF THE RECTIFICATION
Claim 2
Dependent Claim
140 words
A PROCESS FOR THE SEPARATION OF GASEOUS COMPONENTS OF A MIXTURE COMPRISING A LESS READILY ABSORBENT COMPONENT A, A MORE READILY ADSORBED COMPONENT C, AND AN INTERMEDIATE COMPONENT B BY MEANS OF ADSORPTION BY A SOLID FLUIDIZED ADSORBENT WHICH COMPRISES, PASSING SAID FLUIDIZED ADSORBENT DOWNWARDLY THROUGH AN ADSORPTION ZONE HAVING AN ADSORPTION SECTION ABOVE THE GASEOUS MIXTURE FEED-POINT, AND A RECTIFICATION SECTION BELOW SAID FEED-POINT, FEEDING THE GASEOUS MIXTURE TO A LOWER PORTION OF THE ADSORPTION SECTION, REMOVING UNADSORBED COMPONENT A FROM AN UPPER PORTION OF THE ADSORPTION ZONE, REFLUXING THE ADSORBENT IN THE UPPER PORTION OF THE RECTIFICATION SECTION WITH A GAS COMPRISING COMPONENT B EMERGING FROM A LOWER SECTION OF THE RECTIFICATION SECTION, REFLUXING THE ADSORBENT IN THE MIDDLE PORTION OF THE RECTIFICATION SECTION WITH A GAS COMPRISING COMPONENT C EMERGING FROM THE LOWERMOST PORTION OF THE RECTIFICATION
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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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |