Patent US4994769A successfully refreshed from Google Patents.
Patent US3149916A successfully refreshed from Google Patents.
US3149916A
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Combustion of sulfur with oxygen-containing gases
Assignee: BASF SE
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Filing: 1962-02-15
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Granted: 1964-09-22
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Schachenmeier Gerhard
- 👤 Starke Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:37
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/48; C01B17/50; C01B17/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A PROCESS FOR THE COMBUSTION OF SULFUR WITH AN OXYGEN-CONTAINING GAS IN THE COMBUSTION CHAMBER OF A SULFUR BURNER, THE IMPROVEMENT WHICH COMPRISES: INJECTING SAID SULFUR INTERMITTENTLY IN LIQUID FORM INTO SAID COMBUSTION CHAMBER FOR EXPLOSIVE COMBUSTION WITH SAID OXYGEN-CONTAINING GAS, THE FREQUENCY OF SAID LIQUID SULFUR INJECTION BEING ADJUSTED TO BE IN PHASE WITH THE RESONANCE FREQUENCY OF THE GAS COLUMN OSCILLATING IN THE COMBUSTION CHAMBER.
Claim 2
Dependent Claim
68 words
IN A PROCESS FOR THE COMBUSTION OF SULFUR WITH AN OXYGEN-CONTAINING GAS IN THE COMBUSTION CHAMBER OF A SULFUR BURNER, THE IMPROVEMENT WHICH COMPRISES: INJECTING SAID SULFUR INTERMITTENTLY IN LIQUID FORM INTO SAID COMBUSTION CHAMBER FOR EXPLOSIVE COMBUSTION WITH SAID OXYGEN-CONTAINING GAS, THE FREQUENCY OF SAID LIQUID SULFUR INJECTION BEING ADJUSTED TO BE IN PHASE WITH THE RESONANCE FREQUENCY OF THE GAS COLUMN OSCILLATING IN THE COMBUSTION CHAMBER.
References Cited (Backward Citations)
US1464527A
Cited
US1917693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |