Patent US3102013A successfully refreshed from Google Patents.
US3102013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heatless fractionation utilizing zones in series and parallel
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-08-02
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Granted: 1963-08-27
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Expires: 1980-08-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Skarstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:41
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/047; G; G05; G05D; G05D11/00; B01D2253/00; B01D2253/10; B01D2253/106; B01D2253/108; B01D2253/20; B01D2253/206; B01D2256/00; B01D2256/24; B01D2257/00; B01D2257/70; B01D2257/702; B01D2257/7022; B01D2257/80; B01D2259/00; B01D2259/40; B01D2259/40001; B01D2259/40011; B01D2259/40043; B01D2259/4005; B01D2259/40052; B01D2259/402; B01D2259/404; B01D53/0473; B01D53/26; B01D53/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
276 words
A METHOD OF FRACTIONATING A GASEOUS MIXTURE OF AT LEAST TWO COMPONENTS CONSISTING ESSENTIALLY OF THE STEPS OF FLOWING A FEED STREAM OF SAID GASEOUS MIXTURE AT A PRESELECTED INITIAL RELATIVELY HIGH PRESSURE AND IN AN INITIAL POSITIVE FLOW DIRECTION THROUGH A FIRST FIXED BED OF A FIRST ABSORBENT, SELECTIVE FOR AT LEAST ONE COMPONENT OF SAID MIXTURE, FOR A FIRST CYCLE TIME PERIOD LESS THAN THAT REQUIRED FOR SAID BED TO COME TO EQUILIBRIUM WITH SaID FIRST COMPONENT, DISCHARGING THE UNABSORBED PORTION OF SAID FEED STREAM AS A FIRST PRIMARY EFFLUENT STREAM, FLOWING SaID FIRST PRIMARY EFFLUENT AT SAID PRESELECTED INITIAL RELATIVELY HIGH PRESSURE AND IN INITIAL POSITIVE FLOW DIRECTION THROUGH A SECOND FIXED BED OF A SECOND ABSORBENT, SELECTIVE FOR AT LEAST A SECOND COMPONENT TO SAID MIXTURE, FOR A FIRST CYCLE TIME PERIOD LESS THAN REQUIRED FOR SAID SECOND BED TO COME TO EQUILIBRIUM WITH SAID SECOND COMPONENT, DISCHARGING THE UNABSORBED PORTION OF SaID FEED STREAM AS A SECOND PRIMARY EFFLUENT, INTERRUPTING FLOW OF SaID FEED STREAM AT THE END OF SAID FIRST CYCLE, AND REDUCING SAID INITIAL PRESSURE ON SAID FIRST BED AT THE INLET END, DESORBING SaID FIRST COMPONENT FROM SAID FIRST BED AT A REDUCED PRESSURE AND DISCHARGING SAID DESORBED FIRST COMPONENT FROM SAID FIRST BED IN A FLOW DIRECTION OPPOSITE TO THAT OF SAID FEED STREAM OF GASEOUS MATERIAL FOR A SECOND CYCLE TIME PERIOD, DURING SAID SECOND TIME PERIOD FLOWING AT LEAST A PORTION OF SAID SECOND PRIMARY EFFLUENT THROUGH SAID FIRST BED IN A FLOW DIRECTION OF SAID DESORBED FIRST COMPONENT AND DISCHARGING SAID PORTION OF SECOND PRIMARY EFFLUENT FROM SAID FIRST BED TOGETHER WITH SAID DE-
Claim 2
Independent Claim
276 words
A METHOD OF FRACTIONATING A GASEOUS MIXTURE OF AT LEAST TWO COMPONENTS CONSISTING ESSENTIALLY OF THE STEPS OF FLOWING A FEED STREAM OF SAID GASEOUS MIXTURE AT A PRESELECTED INITIAL RELATIVELY HIGH PRESSURE AND IN AN INITIAL POSITIVE FLOW DIRECTION THROUGH A FIRST FIXED BED OF A FIRST ABSORBENT, SELECTIVE FOR AT LEAST ONE COMPONENT OF SAID MIXTURE, FOR A FIRST CYCLE TIME PERIOD LESS THAN THAT REQUIRED FOR SAID BED TO COME TO EQUILIBRIUM WITH SaID FIRST COMPONENT, DISCHARGING THE UNABSORBED PORTION OF SAID FEED STREAM AS A FIRST PRIMARY EFFLUENT STREAM, FLOWING SaID FIRST PRIMARY EFFLUENT AT SAID PRESELECTED INITIAL RELATIVELY HIGH PRESSURE AND IN INITIAL POSITIVE FLOW DIRECTION THROUGH A SECOND FIXED BED OF A SECOND ABSORBENT, SELECTIVE FOR AT LEAST A SECOND COMPONENT TO SAID MIXTURE, FOR A FIRST CYCLE TIME PERIOD LESS THAN REQUIRED FOR SAID SECOND BED TO COME TO EQUILIBRIUM WITH SAID SECOND COMPONENT, DISCHARGING THE UNABSORBED PORTION OF SaID FEED STREAM AS A SECOND PRIMARY EFFLUENT, INTERRUPTING FLOW OF SaID FEED STREAM AT THE END OF SAID FIRST CYCLE, AND REDUCING SAID INITIAL PRESSURE ON SAID FIRST BED AT THE INLET END, DESORBING SaID FIRST COMPONENT FROM SAID FIRST BED AT A REDUCED PRESSURE AND DISCHARGING SAID DESORBED FIRST COMPONENT FROM SAID FIRST BED IN A FLOW DIRECTION OPPOSITE TO THAT OF SAID FEED STREAM OF GASEOUS MATERIAL FOR A SECOND CYCLE TIME PERIOD, DURING SAID SECOND TIME PERIOD FLOWING AT LEAST A PORTION OF SAID SECOND PRIMARY EFFLUENT THROUGH SAID FIRST BED IN A FLOW DIRECTION OF SAID DESORBED FIRST COMPONENT AND DISCHARGING SAID PORTION OF SECOND PRIMARY EFFLUENT FROM SAID FIRST BED TOGETHER WITH SAID DE-
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |