Patent US2945748A successfully refreshed from Google Patents.
US2945748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for converting hydrogen sulfide to sulfur
Assignee: Sunoco Inc
•
Filing: 1958-04-23
•
Granted: 1960-07-19
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Magill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:09
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/0404; C01B17/0413; C01B17/0417; C01B17/0421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN APPARATUS FOR CONVERTING HYDROGEN SULFIDE TO SULFUR AND WHICH COMPRISES A FIRST COMBUSTION ZONE, A FIRST HEAT EXCHANGING ZONE, A FIRST CATALYST BED, A SECOND HEAT EXCHANGING ZONE, A SECOND COMBUSTION ZONE, A SECOND CATALYST BED, A THIRD HEAT EXCHANGING ZONE, AND A COALESCER, THE IMPROVEMENT WHICH COMPRISES A SINGLE HORIZONTALLY ELONGATED INSULATED VESSEL ENCLOSING ALL OF SAID ELEMENTS LONGITUDINALLY SPACED ALONG SAID VESSEL IN THE ORDER NAMED, AND MEANS IN SAID VESSEL FOR ADMITTING HYDROGEN SULFIDE AND OXYGEN TO EACH OF SAID COMBUSTION ZONES, MEANS FOR ADMITTING A COOLANT TO EACH OF SAID FIRST, SECOND, AND THIRD HEAT EXCHANGING ZONES, MEANS FOR REMOVING SAID COOLANT, MEANS FOR REMOVING MOLTEN SULFUR FROM SAID VESSEL, AND MEANS FOR REMOVING WASTE GAS.
Claim 2
Dependent Claim
121 words
IN APPARATUS FOR CONVERTING HYDROGEN SULFIDE TO SULFUR AND WHICH COMPRISES A FIRST COMBUSTION ZONE, A FIRST HEAT EXCHANGING ZONE, A FIRST CATALYST BED, A SECOND HEAT EXCHANGING ZONE, A SECOND COMBUSTION ZONE, A SECOND CATALYST BED, A THIRD HEAT EXCHANGING ZONE, AND A COALESCER, THE IMPROVEMENT WHICH COMPRISES A SINGLE HORIZONTALLY ELONGATED INSULATED VESSEL ENCLOSING ALL OF SAID ELEMENTS LONGITUDINALLY SPACED ALONG SAID VESSEL IN THE ORDER NAMED, AND MEANS IN SAID VESSEL FOR ADMITTING HYDROGEN SULFIDE AND OXYGEN TO EACH OF SAID COMBUSTION ZONES, MEANS FOR ADMITTING A COOLANT TO EACH OF SAID FIRST, SECOND, AND THIRD HEAT EXCHANGING ZONES, MEANS FOR REMOVING SAID COOLANT, MEANS FOR REMOVING MOLTEN SULFUR FROM SAID VESSEL, AND MEANS FOR REMOVING WASTE GAS.
References Cited (Backward Citations)
US2497095A
Cited
US2758913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |