US3148042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-liquid contact system for separating phosphorus from gases
Assignee: Knapsack AG
•
Filing: 1960-08-08
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Granted: 1964-09-08
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Harnisch Heinz
- 👤 Bielenberg Waldemar
- 👤 Rodis Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:37
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/003; C01B25/01; C01B25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
AN APPARATUS FOR SEPARATING PHOSPHORUS FROM GASES WHICH COMPRISES A CONDENSING TOWER CONTAINING SUPERJACENT SPRAY MEANS FOR A FIRST CONDENSATION STATE, A SECOND CONDENSING TOWER CONNECTED WITH THE FIRST TOWER FOR A SECOND CONDENSATION STAGE, THE LOWER END OF THE LATTER HAVING THE SHAPE OF A FUNNEL PROVIDED WITH AN ACUTE ANGLE, MEANS FOR INTRODUCING GAS CONTAINING PHOSPHORUS INTO SAID TOWERS IN SERIES, A COLLECTING VESSEL CONNECTED WITH THE LOWER END OF SAID SECOND TOWER, A SHUT-OFF DEVICE BEING DISPOSED BETWEEN THE LOWER END OF THE SECOND TOWER AND THE COLLECTING VESSEL, MEANS FOR INTRODUCING STEAM INTO THE COLLECTING VESSEL FOR MELTING THE PHOSPHORUS COLLECTED THEREIN, AN INCLINED GAS DISCHARGE PIPE DISPOSED AT THE TOP OF THE SECOND CONDENSING TOWER, SPRAY NOZZLE MEANS FOR INJECTING COOLING WATER FACING THE END OF SAID PIPE THAT OPENS INTO THE CONDENSING TOWER WHILE THE OTHER END OF SAID PIPE PROJECTS INTO A CENTRIFUGING DEVICE LOCATED EXTERNALLY OF THE SECOND TOWER WHICH CENTRIFUGING DEVICE IS CONNECTED IN SERIES WITH A DROPLET SEPARATOR, AND MEANS FOR RETURNING LIQUID SEPARATED IN THE CENTRIFUGING DEVICE AND THE DROPLET SEPARATOR INTO THE SECOND CONDENSING TOWER.
Claim 2
Independent Claim
187 words
AN APPARATUS FOR SEPARATING PHOSPHORUS FROM GASES WHICH COMPRISES A CONDENSING TOWER CONTAINING SUPERJACENT SPRAY MEANS FOR A FIRST CONDENSATION STATE, A SECOND CONDENSING TOWER CONNECTED WITH THE FIRST TOWER FOR A SECOND CONDENSATION STAGE, THE LOWER END OF THE LATTER HAVING THE SHAPE OF A FUNNEL PROVIDED WITH AN ACUTE ANGLE, MEANS FOR INTRODUCING GAS CONTAINING PHOSPHORUS INTO SAID TOWERS IN SERIES, A COLLECTING VESSEL CONNECTED WITH THE LOWER END OF SAID SECOND TOWER, A SHUT-OFF DEVICE BEING DISPOSED BETWEEN THE LOWER END OF THE SECOND TOWER AND THE COLLECTING VESSEL, MEANS FOR INTRODUCING STEAM INTO THE COLLECTING VESSEL FOR MELTING THE PHOSPHORUS COLLECTED THEREIN, AN INCLINED GAS DISCHARGE PIPE DISPOSED AT THE TOP OF THE SECOND CONDENSING TOWER, SPRAY NOZZLE MEANS FOR INJECTING COOLING WATER FACING THE END OF SAID PIPE THAT OPENS INTO THE CONDENSING TOWER WHILE THE OTHER END OF SAID PIPE PROJECTS INTO A CENTRIFUGING DEVICE LOCATED EXTERNALLY OF THE SECOND TOWER WHICH CENTRIFUGING DEVICE IS CONNECTED IN SERIES WITH A DROPLET SEPARATOR, AND MEANS FOR RETURNING LIQUID SEPARATED IN THE CENTRIFUGING DEVICE AND THE DROPLET SEPARATOR INTO THE SECOND CONDENSING TOWER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |