US3079223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurizing reducing gases
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1960-08-05
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Granted: 1963-02-26
•
Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Warren K Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:23
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/20; C10K1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A PROCESS FOR REACTING HYDROGEN SULFIDE PRESENT IN A STREAM OF FUEL AND REDUCING GAS WITH CU IN FLUIDIZABLE SOLIDS WHICH COMPRISES CONTACTING SAID STREAM OF GAS IN A TREATING ZONE WITH SAID SOLIDS CONTAINING COPPER AS CU AND PARTLY AS CU2S AT AN ELEVATED TEMPERATURE OF FORM ABOUT 300* C. 1000* C. WHICH MAKES THE HYDROGEN SULFIDE DECOMPOSE INTO H2 AND FORM CUS IN SAID SOLIDS, WITHDRAWING SAID SOLIDS AS THE CU IN SAID SOLIDS BECOMES PARTIALLY SULFIDED TO CU2S FROM SAID TREATING ZONE TO A REGENERATING ZONE INTIMATELY MIXING SOLIDS WITHDRAWN FROM THE TREATING ZONE IN THE REGENERATING ZONE WITH AN AMOUNT OF SOLIDS CONTAINING CU2O AT AN ELEVATED TEMPERATURE OF FROM ABOUT 450* C. TO 900* C. FOR CONVERTING THE CU2O BY REACTION WITH THE CU2S TO FORM CU AND EVOLVED SO2 WHILE LEAVING SOME OF THE CU2S UNREACTED, SOAKING IN A SOAKING ZONE THE RESULTING SOLIDS CONTAINING COPPER MOSTLY AS CU AND PARTLY AS CU2S AND PARTLY AS COPPER OXIDES AT ELEVATED TEMPERATURE TO REMOVE SO2 AND ELIMINATE COPPER OXIDES THEREFROM AND GIVE THE SOLIDS AN INCREASED CU CONTENT, RETURNING THUS REGENERATED SOLIDS OF INCREASED CU CONTENT FROM THE SOAKING ZONE TO THE TREAT-
Claim 2
Dependent Claim
198 words
A PROCESS FOR REACTING HYDROGEN SULFIDE PRESENT IN A STREAM OF FUEL AND REDUCING GAS WITH CU IN FLUIDIZABLE SOLIDS WHICH COMPRISES CONTACTING SAID STREAM OF GAS IN A TREATING ZONE WITH SAID SOLIDS CONTAINING COPPER AS CU AND PARTLY AS CU2S AT AN ELEVATED TEMPERATURE OF FORM ABOUT 300* C. 1000* C. WHICH MAKES THE HYDROGEN SULFIDE DECOMPOSE INTO H2 AND FORM CUS IN SAID SOLIDS, WITHDRAWING SAID SOLIDS AS THE CU IN SAID SOLIDS BECOMES PARTIALLY SULFIDED TO CU2S FROM SAID TREATING ZONE TO A REGENERATING ZONE INTIMATELY MIXING SOLIDS WITHDRAWN FROM THE TREATING ZONE IN THE REGENERATING ZONE WITH AN AMOUNT OF SOLIDS CONTAINING CU2O AT AN ELEVATED TEMPERATURE OF FROM ABOUT 450* C. TO 900* C. FOR CONVERTING THE CU2O BY REACTION WITH THE CU2S TO FORM CU AND EVOLVED SO2 WHILE LEAVING SOME OF THE CU2S UNREACTED, SOAKING IN A SOAKING ZONE THE RESULTING SOLIDS CONTAINING COPPER MOSTLY AS CU AND PARTLY AS CU2S AND PARTLY AS COPPER OXIDES AT ELEVATED TEMPERATURE TO REMOVE SO2 AND ELIMINATE COPPER OXIDES THEREFROM AND GIVE THE SOLIDS AN INCREASED CU CONTENT, RETURNING THUS REGENERATED SOLIDS OF INCREASED CU CONTENT FROM THE SOAKING ZONE TO THE TREAT-
References Cited (Backward Citations)
US2747968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |