US2900312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractionation
Assignee: Phillips Petroleum Co
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Filing: 1957-10-16
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Granted: 1959-08-18
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Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Forrest E Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4294; Y; Y10; Y10S; Y10S203/00; Y10S203/09; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A VAPOR-LIQUID FRACTIONATING APPARATUS COMPRISING, IN COMBINATION, A FRACTIONATOR TOWER HAVING AN OVERHEAD VAPOR DISCHARGE PIPE AND A BOTTOMS LIQUID DRAW-OFF PIPE, A VAPOR-LIQUID SEPARATOR TANK, A VAPOR PIPE FROM SAID TANK TO SAID TOWER, A LIQUID FEED PIPE FROM SAID TANK TO SAID TOWER, AT LEAST ONE BRANCH ON SAID LIQUID FEED PIPE TO SAID TOWER, A LIQUID LEVEL CONTROLLER OPERATIVELY INSTALLED IN SAID TANK, A VAPOR FLOW CONTROL VALUE IN SAID VAPOR PIPE FROM SAID TANK TO SAID TOWER OPERATIVELY CONNECTED AND RESPONSIVE TO SAID LIQUID LEVEL CONTROLLER, A LIQUID FLOW CONTROL VALUE IN EACH OF SAID LIQUID FEED PIPE FROM SAID TANK TO SAID TOWER AND IN SAID BRANCH OF SAID FEED PIPE, A LIQUID-VAPOR FEED PIPE FOR FEEDING FRACTIONATION FEED TO SAID TANK, A FLOW RATE DETECTOR, A HEATER AND A THERMORESPONSIVE ELEMENT IN SAID LAST-MENTIONED PIPE, SAID THERMORESPONSIVE ELEMENT BEING CONNECTED TO A TEMPERATURE CONTROLLED VALVE ACTUATOR, SAID ACTUATOR BEING CONNECTED TO EACH OF SAID VALVES IN SAID LIQUID FEED PIPE FROM SAID TANK TO SAID TOWER AND SAID BRANCH OF SAID FEED
Claim 2
Dependent Claim
178 words
A VAPOR-LIQUID FRACTIONATING APPARATUS COMPRISING, IN COMBINATION, A FRACTIONATOR TOWER HAVING AN OVERHEAD VAPOR DISCHARGE PIPE AND A BOTTOMS LIQUID DRAW-OFF PIPE, A VAPOR-LIQUID SEPARATOR TANK, A VAPOR PIPE FROM SAID TANK TO SAID TOWER, A LIQUID FEED PIPE FROM SAID TANK TO SAID TOWER, AT LEAST ONE BRANCH ON SAID LIQUID FEED PIPE TO SAID TOWER, A LIQUID LEVEL CONTROLLER OPERATIVELY INSTALLED IN SAID TANK, A VAPOR FLOW CONTROL VALUE IN SAID VAPOR PIPE FROM SAID TANK TO SAID TOWER OPERATIVELY CONNECTED AND RESPONSIVE TO SAID LIQUID LEVEL CONTROLLER, A LIQUID FLOW CONTROL VALUE IN EACH OF SAID LIQUID FEED PIPE FROM SAID TANK TO SAID TOWER AND IN SAID BRANCH OF SAID FEED PIPE, A LIQUID-VAPOR FEED PIPE FOR FEEDING FRACTIONATION FEED TO SAID TANK, A FLOW RATE DETECTOR, A HEATER AND A THERMORESPONSIVE ELEMENT IN SAID LAST-MENTIONED PIPE, SAID THERMORESPONSIVE ELEMENT BEING CONNECTED TO A TEMPERATURE CONTROLLED VALVE ACTUATOR, SAID ACTUATOR BEING CONNECTED TO EACH OF SAID VALVES IN SAID LIQUID FEED PIPE FROM SAID TANK TO SAID TOWER AND SAID BRANCH OF SAID FEED
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) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |