Patent US2823765A successfully refreshed from Google Patents.
US2823765A
Expired / Lapsed
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Adsorption of gases with a liquidadsorbent slurry
Assignee: Escambia Chemical Corp
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Filing: 1957-06-11
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Granted: 1958-02-18
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Expires: 1977-06-11
Abstract
No abstract record available.
Inventors
- 👤 Maslan Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:10
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12; B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS FOR THE SEPARATION OF ETHANE AND PROPANE FROM A NATURAL GAS STREAM WHICH COMPRISES CONTACTING SAID NATURAL GAS STREAM WITH A SLURRY OF WATER AND ACTIVATED CHARCOAL, AND RECOVERING THE ETHANE AND PROPANEE ADSORBED ON SAID CHARCOAL.
Claim 2
Dependent Claim
39 words
A PROCESS FOR THE SEPARATION OF ETHANE AND PROPANE FROM A NATURAL GAS STREAM WHICH COMPRISES CONTACTING SAID NATURAL GAS STREAM WITH A SLURRY OF WATER AND ACTIVATED CHARCOAL, AND RECOVERING THE ETHANE AND PROPANEE ADSORBED ON SAID CHARCOAL.
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) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |