US2652129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of mixed gases by absorption
Assignee: Hydrocarbon Research Inc
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Filing: 1947-05-09
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Granted: 1953-09-15
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Expires: 1967-05-09
Abstract
No abstract record available.
Inventors
- 👤 Benedict Manson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:41
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN THE SEPARATION OF MIXED GASES OF DIFFERENT SOLUBILITIES BY CONTINUOUS FRACTIONATING ABSORPTION IN CONTACT WITH A STREAM OF ABSORBING LIQUID UNDER CONDITIONS INCLUDING A PRESSURE EFFECTIVE TO CAUSE SELECTIVE ENRICHMENT OF THE ABSORBED GASES IN THE MORE SOLUBLE COMPONENT OF THE SAID MIXED GASES, FOLLOWED BY DISENGAGEMENT OF ABSORBED GAS FROM THE ABSORBING LIQUID, AND RETURN OF THE LEAN ABSORBING LIQUID FOR FRACTIONATION OF SAID MIXED GASES, THE STEPS WHICH COMPRISE PASSING SAID MIXED GASES IN A FRACTIONATING ZONE UNDER PRESSURE IN CONTACTING RELATION TO THE ABSORBING LIQUID, WITHDRAWING UNDISSOLVED GAS FROM THE ABSORBING LIQUID AFTER CONTACT THEREWITH
Claim 2
Dependent Claim
99 words
IN THE SEPARATION OF MIXED GASES OF DIFFERENT SOLUBILITIES BY CONTINUOUS FRACTIONATING ABSORPTION IN CONTACT WITH A STREAM OF ABSORBING LIQUID UNDER CONDITIONS INCLUDING A PRESSURE EFFECTIVE TO CAUSE SELECTIVE ENRICHMENT OF THE ABSORBED GASES IN THE MORE SOLUBLE COMPONENT OF THE SAID MIXED GASES, FOLLOWED BY DISENGAGEMENT OF ABSORBED GAS FROM THE ABSORBING LIQUID, AND RETURN OF THE LEAN ABSORBING LIQUID FOR FRACTIONATION OF SAID MIXED GASES, THE STEPS WHICH COMPRISE PASSING SAID MIXED GASES IN A FRACTIONATING ZONE UNDER PRESSURE IN CONTACTING RELATION TO THE ABSORBING LIQUID, WITHDRAWING UNDISSOLVED GAS FROM THE ABSORBING LIQUID AFTER CONTACT THEREWITH
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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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |