Patent US2687344A successfully refreshed from Google Patents.
US2687344A
Expired / Lapsed
US
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Cyclic method for condensing sulfur vapor
Assignee: Texas Gulf Sulphur Co
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Filing: 1950-03-18
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Granted: 1954-08-24
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Expires: 1970-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward H Conroy
- 👤 Jr Harry W Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:11
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
THE CYCLIC METHOD OF CONDENSING SULFUR VAPOR FROM A STREAM OF GAS CONTAINING THE SAME COMPRISING REMOVING THE HEAT OF VAPORIZATION OF THE SULFUR VAPOR BY SPRAYING LIQUID SULFUR IN A FINELYDIVIDED STATE INTO SAID STREAM OF GAS CONTAINING SULFUR VAPOR AND MAINTAINING THE TEMPERATURE OF THE SPRAYED SULFUR AND THE SULFUR CONDENSED THEREBY AT A TEMPERATURE AT WHICH SULFUR IS LIQUID, BUT BELOW THE TEMPERATURE SUBSTANTIALLY ABOVE THE MELTING POINT OF SULFUR AT WHICH LIQUID SULFUR BECOMES VISCOUS BY CONTROLLING THE AMOUNT OF LIQUID SULFUR SPRAYED AND BY MAINTAINING THE TEMPERATURE OF THE LIQUID SULFUR AS IT IS SPRAYED AT A TEMPERATURE BELOW THE TEMPERATURE OF THE COMBINED SPRAYED LIQUID SULFUR AND CONDENSED SULFUR AND SEPARATING THE SPRAYED LIQUID SULFUR AND CONDENSED SULFUR AND WITHDRAWING FROM THE REMOVED SPRAYED AND CONDENSED SULFUR AN AMOUNT SUBSTANTIALLY EQUIVALENT TO THE AMOUNT OF SULFUR CONDENSED BY THE SPRAYED SULFUR AND USING THE BALANCE OF SAID SULFUR FOR FURTHER SPRAYING AND COOLING THE SULFUR TO BE SPRAYED BY SPRAYING IT IN FINELY-DIVIDED FORM INTO A STREAM OF COOLER GAS AND REMOVING IT FROM SAID STREAM OF COOLER GAS AS A LIQUID TO BE SPRAYED.
Claim 2
Dependent Claim
191 words
THE CYCLIC METHOD OF CONDENSING SULFUR VAPOR FROM A STREAM OF GAS CONTAINING THE SAME COMPRISING REMOVING THE HEAT OF VAPORIZATION OF THE SULFUR VAPOR BY SPRAYING LIQUID SULFUR IN A FINELYDIVIDED STATE INTO SAID STREAM OF GAS CONTAINING SULFUR VAPOR AND MAINTAINING THE TEMPERATURE OF THE SPRAYED SULFUR AND THE SULFUR CONDENSED THEREBY AT A TEMPERATURE AT WHICH SULFUR IS LIQUID, BUT BELOW THE TEMPERATURE SUBSTANTIALLY ABOVE THE MELTING POINT OF SULFUR AT WHICH LIQUID SULFUR BECOMES VISCOUS BY CONTROLLING THE AMOUNT OF LIQUID SULFUR SPRAYED AND BY MAINTAINING THE TEMPERATURE OF THE LIQUID SULFUR AS IT IS SPRAYED AT A TEMPERATURE BELOW THE TEMPERATURE OF THE COMBINED SPRAYED LIQUID SULFUR AND CONDENSED SULFUR AND SEPARATING THE SPRAYED LIQUID SULFUR AND CONDENSED SULFUR AND WITHDRAWING FROM THE REMOVED SPRAYED AND CONDENSED SULFUR AN AMOUNT SUBSTANTIALLY EQUIVALENT TO THE AMOUNT OF SULFUR CONDENSED BY THE SPRAYED SULFUR AND USING THE BALANCE OF SAID SULFUR FOR FURTHER SPRAYING AND COOLING THE SULFUR TO BE SPRAYED BY SPRAYING IT IN FINELY-DIVIDED FORM INTO A STREAM OF COOLER GAS AND REMOVING IT FROM SAID STREAM OF COOLER GAS AS A LIQUID TO BE SPRAYED.
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) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |