Patent US3087793A successfully refreshed from Google Patents.
US3087793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of oxidizing hydrogen sulfide to elemental sulfur
Assignee: General Electric Co
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Filing: 1961-06-19
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Granted: 1963-04-30
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Allan S Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:32
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE PROCESS OF OXIDIZING HYDROGEN SULFIDE TO FREE SULFIDE WHICH COMPRISES REACTING OXYGEN WITH HYDROGEN SULFIDE IN THE PRESENCE OF A SOLUTION OF A CUPROUS SALTTERTIARY AMIBNE COMPLEX, SAID CUPROUS SALT BEING CAPABLE OF EXISTING IN THE CUPRIC STATE.
Claim 2
Dependent Claim
39 words
THE PROCESS OF OXIDIZING HYDROGEN SULFIDE TO FREE SULFIDE WHICH COMPRISES REACTING OXYGEN WITH HYDROGEN SULFIDE IN THE PRESENCE OF A SOLUTION OF A CUPROUS SALTTERTIARY AMIBNE COMPLEX, SAID CUPROUS SALT BEING CAPABLE OF EXISTING IN THE CUPRIC STATE.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |