Patent US1488162A successfully refreshed from Google Patents.
Patent US2887363A successfully refreshed from Google Patents.
US2887363A
Expired / Lapsed
US
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Conversion of methane to produce hydrogen sulfide
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-09-28
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Granted: 1959-05-19
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Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 Prentiss S Viles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:29
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/16; C01B17/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD FOR CONVERTING METHANE WHICH COMPRISES CONTACTING A MIXTURE OF METHANE AND SULFUR DIOXIDE IN WHICH THE METHANE IS PRESENT IN AN AMOUNT IN A SUBSTANTIAL STOICHIOMETRIC EXCESS OF THE SULPHUR DIOXIDE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 800* TO ABOUT 1600*F. WITH A COBALT MOLYBDATE CATALYST TO FORM A PRODUCT CONSISTING ESSENTIALLY OF HYDROGEN SULFIDE, AND RECOVERING SAID PRODUCT.
Claim 2
Independent Claim
63 words
A METHOD FOR CONVERTING METHANE WHICH COMPRISES CONTACTING A MIXTURE OF METHANE AND SULFUR DIOXIDE IN WHICH THE METHANE IS PRESENT IN AN AMOUNT IN A SUBSTANTIAL STOICHIOMETRIC EXCESS OF THE SULPHUR DIOXIDE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 800* TO ABOUT 1600*F. WITH A COBALT MOLYBDATE CATALYST TO FORM A PRODUCT CONSISTING ESSENTIALLY OF HYDROGEN SULFIDE, AND RECOVERING SAID PRODUCT.
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |