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US2649166A Expired / Lapsed US ⏱️ 0.0 years remaining

Absorption of carbon dioxide from gases containing the same

Assignee: Honeywell International Inc
•
Filing: 1950-05-02
•
Granted: 1953-08-18
•
Expires: 1970-05-02
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Abstract

No abstract record available.

Inventors

  • 👤 Porter Frank
  • 👤 John C Eck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:29
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; C; C10; C10K; C10K1/00; C10K1/08; C10K1/16; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 159 words
A PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM GASES CONTAINING THE SAME WHICH COMPRISES PASSING A GAS CONTAINING CARBON DIOXIDE IN INTIMATE CONTACT WITH A NORMALLY LIQUID POLYGLYCOL ETHER SELECTED FROM THE GROUP CONSISTING OF DIMETHOXYTETRAETHYLENE GLYCOL, DIETHOXYTRIETHYLENE GLYCOL, DIBUTOXYTRIETHYLENE GLYCOL, DIBUTOXYDIETHYLENE GLYCOL, DIPROPOXYTETRAETHYLENE GLYCOL, DIPROPOXYTRIETHYLENE GLYCOL AND DIPROPXYDIETHYLENE GLYCOL THEREBY ABSORBING THE CARBON DIOXIDE IN THE POLYGLYCOL ETHER SOLVENT, PASSING A STREAM OF AIR THROUGH THE POLYGLYCOL ETHER CONTAINING DISSOLVED CARBON DIOXIDE TO EFFECT REMOVAL OF THE CARBON DIOXIDE FROM THE SOLVENT, SUBJECTING A MINOR PORTION OF THE DEGASSED SOLVENT TO EVAPORATION FOR REMOVAL OF WATER THEREFROM, COMMINGLING THE DEWATERED SOLVENT WITH DEGASSED SOLVENT NOT SUBJECTING TO EVAPORATION FOR REMOVAL OF WATER RETURNING THE MIXTURE OF DEWATERED AND DEGASSED SOLVENT FOR FURTHER CONTACT WITH THE GAS CONTAINING CARBON DIOXIDE, AND REGULATING THE RELATIVE PROPORTION OF DEGASSED SOLVENT AND DEWATERED SOLVENT IN THE MIXTURE SO THAT THE SOLVENT MIXTURE WILL CONTAIN LESS THAN 5% BY VOLUME OF WATER.
Claim 2
Dependent Claim 159 words
A PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM GASES CONTAINING THE SAME WHICH COMPRISES PASSING A GAS CONTAINING CARBON DIOXIDE IN INTIMATE CONTACT WITH A NORMALLY LIQUID POLYGLYCOL ETHER SELECTED FROM THE GROUP CONSISTING OF DIMETHOXYTETRAETHYLENE GLYCOL, DIETHOXYTRIETHYLENE GLYCOL, DIBUTOXYTRIETHYLENE GLYCOL, DIBUTOXYDIETHYLENE GLYCOL, DIPROPOXYTETRAETHYLENE GLYCOL, DIPROPOXYTRIETHYLENE GLYCOL AND DIPROPXYDIETHYLENE GLYCOL THEREBY ABSORBING THE CARBON DIOXIDE IN THE POLYGLYCOL ETHER SOLVENT, PASSING A STREAM OF AIR THROUGH THE POLYGLYCOL ETHER CONTAINING DISSOLVED CARBON DIOXIDE TO EFFECT REMOVAL OF THE CARBON DIOXIDE FROM THE SOLVENT, SUBJECTING A MINOR PORTION OF THE DEGASSED SOLVENT TO EVAPORATION FOR REMOVAL OF WATER THEREFROM, COMMINGLING THE DEWATERED SOLVENT WITH DEGASSED SOLVENT NOT SUBJECTING TO EVAPORATION FOR REMOVAL OF WATER RETURNING THE MIXTURE OF DEWATERED AND DEGASSED SOLVENT FOR FURTHER CONTACT WITH THE GAS CONTAINING CARBON DIOXIDE, AND REGULATING THE RELATIVE PROPORTION OF DEGASSED SOLVENT AND DEWATERED SOLVENT IN THE MIXTURE SO THAT THE SOLVENT MIXTURE WILL CONTAIN LESS THAN 5% BY VOLUME OF WATER.

References Cited (Backward Citations)

GB286622A Cited
GB386052A Cited
GB400054A Cited
US2086731A Cited
US2139375A Cited
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US2520947A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-08-17 1957-02-16 1957-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-08-17 1961-02-16 1961-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-08-17 1965-02-16 1965-08-18 $7700.00 Window Closed / Lapsed

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