US3158554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for starting up the distillation of a liquid which tends to boil up as a liquid
Assignee: Phillips Petroleum Co
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Filing: 1959-10-26
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Granted: 1964-11-24
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Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Robert B Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:53
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A METHOD FOR STARTING UP A DISTILLATION COLUMN IN WHICH HEAT IS SUPPLIED TO THE COLUMN TO BOIL THE BOTTOMS THEREIN AND TO WATCH COLUMN THERE IS FED FOR DISTILLATION A LIQUID MATERIAL WHICH TENDS TO BOIL-UP AS A LIQUID, THROUGH AND OUT THE TOP OF THE COLUMN AS A LIQUID, THUS FLOODING WITH NON-DISTILLED LIQUID, A PROVIDED REFLUX ACCUMULATOR, NORMALLY RECEIVING ONLY OVERHEAD WHICH HAS BEEN A VAPOR AND HAS BEEN CONDENSED AND IS AN OVERHEAD DISTILLATE SUITABLE FOR REFLUXING THE COLUMN, AS DISTINGUISHED FROM SAID BOILED-OVER LIQUID, AND IN WHICH COLUMN OPERATION, WHEN BOIL-OVER IS OCCURRING, THERE HAS BEEN GENERATED INSUFFICIENT REAL REFLUX TO PREVENT SAID BOIL-OVER, THUS INVOLVING A LOSS OF PRODUCT, AND SUBSTANTIAL FILLING OF SAID ACCUMULATOR WITH BOILED OVER LIQUID WHICH IS UNSUITED TO REFLUX THE OPERATION, SAID LQIUID TENDING TO OVERFLOW SAID ACCUMULATOR, WHICH COMPRISES THE STEP OF DIRECTLY RETURNING FROM THE ACCUMULATOR THE ACCUMULATING BOIL-OVER LIQUID, AS A LIQUID, WHICH TENDS TO OVERFLOW THE ACCUMULATOR, TO THE BOTTOMS BEING BOILED IN SAID COLUMN.
Claim 2
Independent Claim
170 words
A METHOD FOR STARTING UP A DISTILLATION COLUMN IN WHICH HEAT IS SUPPLIED TO THE COLUMN TO BOIL THE BOTTOMS THEREIN AND TO WATCH COLUMN THERE IS FED FOR DISTILLATION A LIQUID MATERIAL WHICH TENDS TO BOIL-UP AS A LIQUID, THROUGH AND OUT THE TOP OF THE COLUMN AS A LIQUID, THUS FLOODING WITH NON-DISTILLED LIQUID, A PROVIDED REFLUX ACCUMULATOR, NORMALLY RECEIVING ONLY OVERHEAD WHICH HAS BEEN A VAPOR AND HAS BEEN CONDENSED AND IS AN OVERHEAD DISTILLATE SUITABLE FOR REFLUXING THE COLUMN, AS DISTINGUISHED FROM SAID BOILED-OVER LIQUID, AND IN WHICH COLUMN OPERATION, WHEN BOIL-OVER IS OCCURRING, THERE HAS BEEN GENERATED INSUFFICIENT REAL REFLUX TO PREVENT SAID BOIL-OVER, THUS INVOLVING A LOSS OF PRODUCT, AND SUBSTANTIAL FILLING OF SAID ACCUMULATOR WITH BOILED OVER LIQUID WHICH IS UNSUITED TO REFLUX THE OPERATION, SAID LQIUID TENDING TO OVERFLOW SAID ACCUMULATOR, WHICH COMPRISES THE STEP OF DIRECTLY RETURNING FROM THE ACCUMULATOR THE ACCUMULATING BOIL-OVER LIQUID, AS A LIQUID, WHICH TENDS TO OVERFLOW THE ACCUMULATOR, TO THE BOTTOMS BEING BOILED IN SAID COLUMN.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |