US2994588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for production of sulphur from sour gas
Assignee: Individual
•
Filing: 1958-10-09
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Granted: 1961-08-01
•
Expires: 1978-10-09
Abstract
No abstract record available.
Inventors
- 👤 Allen G Eickmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:05
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR PRODUCTION OF SULPHUR FROM SOUR GAS CONTAINING HYDROGEN SULPHIDE COMPRISING CIRCULATING A STREAM OF HOT MOLTEN SULPHUR THROUGH A ZONE OF CONTACT WITH SAID SOUR GAS, THEREBY ABSORBING HYDROGEN SULPHIDE, AND THROUGH A REACTION ZONE FOR CONTACT AND REACTION OF HYDROGEN SULPHIDE WITH SULPHUR DIOXIDE, THEREBY PRODUCING ELEMENTAL SULPHUR AND WATER VAPOR.
Claim 2
Dependent Claim
55 words
A PROCESS FOR PRODUCTION OF SULPHUR FROM SOUR GAS CONTAINING HYDROGEN SULPHIDE COMPRISING CIRCULATING A STREAM OF HOT MOLTEN SULPHUR THROUGH A ZONE OF CONTACT WITH SAID SOUR GAS, THEREBY ABSORBING HYDROGEN SULPHIDE, AND THROUGH A REACTION ZONE FOR CONTACT AND REACTION OF HYDROGEN SULPHIDE WITH SULPHUR DIOXIDE, THEREBY PRODUCING ELEMENTAL SULPHUR AND WATER VAPOR.
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |