Patent US2926753A successfully refreshed from Google Patents.
US2926753A
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Process for carbon dioxide absorption
Assignee: Fluor Corp
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Filing: 1958-10-06
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Granted: 1960-03-01
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Kohl
- 👤 Frederick E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:39
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C10K1/16; B; B01; B01D; B01D53/00; B01D53/14; B01D53/1456; B01D53/1475; B01D53/1493; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE PROCESS OF RECOVERING CARBON DIOXIDE FROM A FEED GAS MIXTURE CONTAINING CARBON DIOXIDE AND OTHER GAS OF THE GROUP CONSISTING OF NATURAL GAS COMPONENTS, HYDROGEN, NITROGEN, OXYGEN, MOISTURE, HYDROGEN SULFIDE, SULFUR DIOXIDE AND CARBONYL SULFIDE, THAT INCLUDES PASSING THE FEED GAS THROUGH AN ABSORPTION ZONE AT SUPER ATMOSPHERIC PRESSURE IN COUNTER-FLOWING CONTACT WITH AN ETHER ACETATE OF THE GROUP CONSISTING OF BUTOXY DIETHYLENE GLYCOL ACETATE AND METHOXY TRIETHYLENE GLYCOL ACETATE AND THEREBY PREFERENTIALLY ABSORBING CARBON DIOXIDE IN THE ACETATE, REMOVING UNABSORBED COMPONENTS OF THE FEED GAS FROM SAID ZONE, SEPARATELY REMOVING THEREFROM A STREAM OF THE RICH ACETATE AND REDUCING THE PRESSURE THEREOF IN A SEPARATING ZONE TO FLASH OFF CARBON DIOXIDE, AND THEREAFTER RECYCLING
Claim 2
Dependent Claim
116 words
THE PROCESS OF RECOVERING CARBON DIOXIDE FROM A FEED GAS MIXTURE CONTAINING CARBON DIOXIDE AND OTHER GAS OF THE GROUP CONSISTING OF NATURAL GAS COMPONENTS, HYDROGEN, NITROGEN, OXYGEN, MOISTURE, HYDROGEN SULFIDE, SULFUR DIOXIDE AND CARBONYL SULFIDE, THAT INCLUDES PASSING THE FEED GAS THROUGH AN ABSORPTION ZONE AT SUPER ATMOSPHERIC PRESSURE IN COUNTER-FLOWING CONTACT WITH AN ETHER ACETATE OF THE GROUP CONSISTING OF BUTOXY DIETHYLENE GLYCOL ACETATE AND METHOXY TRIETHYLENE GLYCOL ACETATE AND THEREBY PREFERENTIALLY ABSORBING CARBON DIOXIDE IN THE ACETATE, REMOVING UNABSORBED COMPONENTS OF THE FEED GAS FROM SAID ZONE, SEPARATELY REMOVING THEREFROM A STREAM OF THE RICH ACETATE AND REDUCING THE PRESSURE THEREOF IN A SEPARATING ZONE TO FLASH OFF CARBON DIOXIDE, AND THEREAFTER RECYCLING
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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |