US2596692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of absorbing gases, including hydrogen sulfide
Assignee: Shell Development Co
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Filing: 1946-10-29
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Granted: 1952-05-13
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Expires: 1966-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jordan John Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:12
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/1456; B01D53/1468; B01D53/1406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR SEPARATING A GAS CONTAINING A MIXTURE OF HYDROCARBONS AND NON-HYDROCARBON IMPURITIES, COMPRISING THE STEPS OF PASSING SAID GAS IN THE VAPOR PHASE AND UNDER PRESSURE INTO CONTACT WITH AN ABSORPTION OIL CONTAINING THE IMPURITIES IN A MAIN ABSORPTION ZONE TO ABSORB A FRACTION OF SAID HYDROCARBONS AND PRODUCE A FAT ABSORPTION OIL, SEPARATING THE RESULTING FAT ABSORPTION OIDL FROM THE UNABSORBED VAPOR PHASE, PASSING A SMALL PORTION ONLY OF SAID SEPARATED VAPOR PHASE UNDER PRESSURE INTO CONTACT WITH A LEAN ADSORPTION OIL IN A PRE-ABSORPTION ONE TO ABSORB IMPURITIES THEREIN, SEPARATING THE PURIFIED UNABSORBED VAPOR PHASE FROM THE RESULTING SOLUTION OF IMPURITIES IN ABSORPTION OIL, AND UTILIZING THE SAID SOLUTION AS THE ABSORPTION OIL IN THE MAIN ABSORPTION ZONE.
Claim 2
Dependent Claim
122 words
A PROCESS FOR SEPARATING A GAS CONTAINING A MIXTURE OF HYDROCARBONS AND NON-HYDROCARBON IMPURITIES, COMPRISING THE STEPS OF PASSING SAID GAS IN THE VAPOR PHASE AND UNDER PRESSURE INTO CONTACT WITH AN ABSORPTION OIL CONTAINING THE IMPURITIES IN A MAIN ABSORPTION ZONE TO ABSORB A FRACTION OF SAID HYDROCARBONS AND PRODUCE A FAT ABSORPTION OIL, SEPARATING THE RESULTING FAT ABSORPTION OIDL FROM THE UNABSORBED VAPOR PHASE, PASSING A SMALL PORTION ONLY OF SAID SEPARATED VAPOR PHASE UNDER PRESSURE INTO CONTACT WITH A LEAN ADSORPTION OIL IN A PRE-ABSORPTION ONE TO ABSORB IMPURITIES THEREIN, SEPARATING THE PURIFIED UNABSORBED VAPOR PHASE FROM THE RESULTING SOLUTION OF IMPURITIES IN ABSORPTION OIL, AND UTILIZING THE SAID SOLUTION AS THE ABSORPTION OIL IN THE MAIN ABSORPTION ZONE.
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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |