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US3084110A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for preventing stagnation near the reboiler of a distillation tower

Assignee: Phillips Petroleum Co
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Filing: 1959-12-23
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Granted: 1963-04-02
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Expires: 1979-12-23
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Abstract

No abstract record available.

Inventors

  • 👤 Walter B Polk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 09:32
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/32; B01D3/322; Y; Y10; Y10S; Y10S203/00; Y10S203/11

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 107 words
IN A METHOD OF REMOVING BY EVOLUTION OF VAPORS A COMPONENT FROM A BODY OF LIQUID WHICH UPON HEATING TENDS TO FORM AN UNDESIRABLE DEPOSIT IN A REGION OF A HEATING ZONE IN A VESSEL WHICH IS HEATED BY SUBNERGING A HEAT EXCHANGER IN SAID BODY OF A LIQUID, RESULTING IN A REGION OF LIQUID STAGNATION WITHIN SAID BODY OF LOQUID ADJACENT THE WALL OF SAID VESSEL AND SAID HEAT EXCHANGER PERMITTING SAID UNDESIRABLE DEPOSIT IN SAID REGION, WHICH COMPRISES REMOVING FROM SAID ZONE A PORTION OF SAID LIQUID AND FORCIBLY INJECTING THE REMOVED LIQUID INTO SAID REGION OF LIQUID STAGATION, THEREBY ELIMINATING SAID REGION OF STAGNATION.
Claim 2
Dependent Claim 107 words
IN A METHOD OF REMOVING BY EVOLUTION OF VAPORS A COMPONENT FROM A BODY OF LIQUID WHICH UPON HEATING TENDS TO FORM AN UNDESIRABLE DEPOSIT IN A REGION OF A HEATING ZONE IN A VESSEL WHICH IS HEATED BY SUBNERGING A HEAT EXCHANGER IN SAID BODY OF A LIQUID, RESULTING IN A REGION OF LIQUID STAGNATION WITHIN SAID BODY OF LOQUID ADJACENT THE WALL OF SAID VESSEL AND SAID HEAT EXCHANGER PERMITTING SAID UNDESIRABLE DEPOSIT IN SAID REGION, WHICH COMPRISES REMOVING FROM SAID ZONE A PORTION OF SAID LIQUID AND FORCIBLY INJECTING THE REMOVED LIQUID INTO SAID REGION OF LIQUID STAGATION, THEREBY ELIMINATING SAID REGION OF STAGNATION.

References Cited (Backward Citations)

US1104948A Cited
US2534173A Cited
US2696464A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-01 1966-10-01 1967-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-01 1970-10-01 1971-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-01 1974-10-01 1975-04-02 $7700.00 Window Closed / Lapsed

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