US2760848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sulfur
Assignee: Standard Oil Co
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Filing: 1953-09-29
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Granted: 1956-08-28
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Expires: 1973-09-29
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Dunning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:49
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/0404; C01B17/046; C01B17/0465; C01B17/0426; C01B17/0434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PROCESS WHICH COMPRISES CONTACTING A GASEOUS STREAM COMPRISING HYDROGEN SULFIDE AND HYDROCARBONS WITH A CATALYST CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF A METAL HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM AND A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM. CALCIUM AND BARIUM AT A TEMPERATURE OF ABOUT 400* TO 1200* F., IN THE PRESENCE OF AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF FREE-OXYGEN AND SULFUR DIOXIDE, WHEREIN SAID OXIDIZING AGENT IS EMPLOYED IN AN AMOUNT BETWEEN ABOUT 0.05 TO 0.75 MOL PER MOL OF HYDROGEN SULFIDE CONTAINED IN SAID GASEOUS STREAM.
Claim 2
Dependent Claim
100 words
A PROCESS WHICH COMPRISES CONTACTING A GASEOUS STREAM COMPRISING HYDROGEN SULFIDE AND HYDROCARBONS WITH A CATALYST CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF A METAL HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM AND A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM. CALCIUM AND BARIUM AT A TEMPERATURE OF ABOUT 400* TO 1200* F., IN THE PRESENCE OF AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF FREE-OXYGEN AND SULFUR DIOXIDE, WHEREIN SAID OXIDIZING AGENT IS EMPLOYED IN AN AMOUNT BETWEEN ABOUT 0.05 TO 0.75 MOL PER MOL OF HYDROGEN SULFIDE CONTAINED IN SAID GASEOUS STREAM.
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) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |