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
Abstract
No abstract record available.
Inventors
- 👤 Walter B Polk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:25
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)
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 |