Patent US3094482A successfully refreshed from Google Patents.
US3094482A
Expired / Lapsed
US
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Dephlegmator operation and apparatus
Assignee: Phillips Petroleum Co
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Filing: 1960-11-07
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Granted: 1963-06-18
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Henry B Vineyard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:17
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4238
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A METHOD OF DEPHLEGMATING VAPORS IN A DEPHLEGMATION ZONE WHICH COMPRISES FEEDING VAPORS INTO SAID ZONE, COLLECTING IN AND REMOVING FROM WITHIN SAID ZONE A LIQUID MOVING DOWNWARDLY IN SAID ZONE IN DIRECT CONTACT WITH VAPORS THEREIN, CYCLING SAID LIQUID INTO AND THROUGH A COOLING ZONE AND THEM DIRECTLY INTO THE UPPER PORTION OF SAID DEPHLEGMATION ZONE FOR INTIMATE DIRECT CONTACT WITH SAID VAPORS IN SAID ZONE RESPONSIVE TO THE TEMPERATURE OF THE VAPORS LEAVING SAID ZONE IN AN AMOUNT SUFFICIENT TO MAINTAIN THE TEMPERATURE OF SAID VAPORS AT A PREDETERMINED VALVE, BY-PASSING AT LEAST A PORTION OF THE LIQUID EFFLUENT FROM SAID COOLING ZONE DIRECTLY BACK TO THE INLET OF AND THROUGH SAID COOLING ZONE, AND CONTROLLING THE AMOUNT OF BY-PASSED LIQUID RESPONSIVE TO THE TEMPERATURE OF VAPORS AT THE TOP OF SAID DEPHLEGMATION ZONE.
Claim 2
Independent Claim
136 words
A METHOD OF DEPHLEGMATING VAPORS IN A DEPHLEGMATION ZONE WHICH COMPRISES FEEDING VAPORS INTO SAID ZONE, COLLECTING IN AND REMOVING FROM WITHIN SAID ZONE A LIQUID MOVING DOWNWARDLY IN SAID ZONE IN DIRECT CONTACT WITH VAPORS THEREIN, CYCLING SAID LIQUID INTO AND THROUGH A COOLING ZONE AND THEM DIRECTLY INTO THE UPPER PORTION OF SAID DEPHLEGMATION ZONE FOR INTIMATE DIRECT CONTACT WITH SAID VAPORS IN SAID ZONE RESPONSIVE TO THE TEMPERATURE OF THE VAPORS LEAVING SAID ZONE IN AN AMOUNT SUFFICIENT TO MAINTAIN THE TEMPERATURE OF SAID VAPORS AT A PREDETERMINED VALVE, BY-PASSING AT LEAST A PORTION OF THE LIQUID EFFLUENT FROM SAID COOLING ZONE DIRECTLY BACK TO THE INLET OF AND THROUGH SAID COOLING ZONE, AND CONTROLLING THE AMOUNT OF BY-PASSED LIQUID RESPONSIVE TO THE TEMPERATURE OF VAPORS AT THE TOP OF SAID DEPHLEGMATION ZONE.
References Cited (Backward Citations)
US1743185A
Cited
US2974100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |