Patent US3085380A successfully refreshed from Google Patents.
US3085380A
Expired / Lapsed
US
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Adsorption process
Assignee: Engineers and Fabricators Inc
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Filing: 1959-10-23
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Granted: 1963-04-16
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Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edward E Dillman
- 👤 Ringo Dan
- 👤 Farwell C Boston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:42
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12; C10; C10G; C10G5/00; C10G5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A PROCESS FOR REMOVING HYDROGEN SULFIDE FROM HYDROCARBON GAS, COMPRISING THE STEPS OF, DIRECTING A HYDROCARBON FEED GAS HAVING HYDROGEN SULFIDE THEREWITH THROUGH A PLURALITY OF ADSORPTION BEDS IN SERIES WHEREIN THE BEDS HAVE AN ADSORBENT THEREIN CAPABLE OF ADSORBING THE HYDROGEN SULFIDE FROM THE GAS PERFERENTIALLY, WITHDRAWING A PORTION OF THE GAS AFTER IT HAS PASSED THROUGH ONE OF SAID ADSORPTION BEDS AND DIRECTING SAME TO ANOTHER ADSORPTION BED WHICH HAD PREVIOUSLY ADSORBED HYDROGEN SULFIDE, SUCH PORTION OF THE GAS SERVING AS A REGENERATION GAS AFTER IT IS HEATED FOR REGENERATING SUCH BED BY STRIPPING THE HYDROGEN SULFIDE THEREFROM SO THAT SUCH GAS LEAVES SUCH BED WITH A HIGH CONCENTRATION OF HYDROGEN SULFIDE THEREWITH AS COMPARED TO THE AMOUNT OF HYDROGE SULFIDE IN THE FEED GAS, THEREAFTER ADSORBING THE HYDROGEN SULFIDE FROM SUCH REGENERATION GAS, AND THEREAFTER RETURNING THE REGENERATION GAS FROM WHICH HYDROGEN SULFIDE HAS BEEN SEPARATED TO THE PLURALITY OF ADSORPTION BEDS TO OBTAIN SWEETENED PRODUCT GAS THEREFROM.
Claim 2
Dependent Claim
161 words
A PROCESS FOR REMOVING HYDROGEN SULFIDE FROM HYDROCARBON GAS, COMPRISING THE STEPS OF, DIRECTING A HYDROCARBON FEED GAS HAVING HYDROGEN SULFIDE THEREWITH THROUGH A PLURALITY OF ADSORPTION BEDS IN SERIES WHEREIN THE BEDS HAVE AN ADSORBENT THEREIN CAPABLE OF ADSORBING THE HYDROGEN SULFIDE FROM THE GAS PERFERENTIALLY, WITHDRAWING A PORTION OF THE GAS AFTER IT HAS PASSED THROUGH ONE OF SAID ADSORPTION BEDS AND DIRECTING SAME TO ANOTHER ADSORPTION BED WHICH HAD PREVIOUSLY ADSORBED HYDROGEN SULFIDE, SUCH PORTION OF THE GAS SERVING AS A REGENERATION GAS AFTER IT IS HEATED FOR REGENERATING SUCH BED BY STRIPPING THE HYDROGEN SULFIDE THEREFROM SO THAT SUCH GAS LEAVES SUCH BED WITH A HIGH CONCENTRATION OF HYDROGEN SULFIDE THEREWITH AS COMPARED TO THE AMOUNT OF HYDROGE SULFIDE IN THE FEED GAS, THEREAFTER ADSORBING THE HYDROGEN SULFIDE FROM SUCH REGENERATION GAS, AND THEREAFTER RETURNING THE REGENERATION GAS FROM WHICH HYDROGEN SULFIDE HAS BEEN SEPARATED TO THE PLURALITY OF ADSORPTION BEDS TO OBTAIN SWEETENED PRODUCT GAS THEREFROM.
References Cited (Backward Citations)
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |