US3224210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractionation with constant flow rate feed
Assignee: Phillips Petroleum Co
•
Filing: 1963-03-18
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Granted: 1965-12-21
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 James W Albritton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:35
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/425; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR FRACTIONING A MIXTURE OF FLUIDS OF VARYING BOILING POINTS TO SEPARATE THE CONSTITUENTS THEREOF, COMPRISING: (A) INTRODUCING A FIRST STREAM COMPRISING SAID MIXTURE INTO THE MIDDLE PORTION OF A FRACTIONATION ZONE; (B) WITHDRAWING A SECOND STREAM COMPRISING SUBSTANTIALLY ALL OF THE LOWER BOILING CONSTITUENTS FROM THE UPPER PORTION OF SAID FRACTIONATION ZONE; (C) WITHDRAWING A THIRD STREAM COMPRISING SUBSTANTIALLY ALL OF THE HIGHER BOILING CONSTITUENTS FROM THE LOWER PORTION OF SAID FRACTIONATION ZONE; (D) MEASURING THE RATE OF INTRODUCING OF SAID FIRST STREAM INTO SAID FRACTIONATION ZONE;
Claim 2
Dependent Claim
90 words
A PROCESS FOR FRACTIONING A MIXTURE OF FLUIDS OF VARYING BOILING POINTS TO SEPARATE THE CONSTITUENTS THEREOF, COMPRISING: (A) INTRODUCING A FIRST STREAM COMPRISING SAID MIXTURE INTO THE MIDDLE PORTION OF A FRACTIONATION ZONE; (B) WITHDRAWING A SECOND STREAM COMPRISING SUBSTANTIALLY ALL OF THE LOWER BOILING CONSTITUENTS FROM THE UPPER PORTION OF SAID FRACTIONATION ZONE; (C) WITHDRAWING A THIRD STREAM COMPRISING SUBSTANTIALLY ALL OF THE HIGHER BOILING CONSTITUENTS FROM THE LOWER PORTION OF SAID FRACTIONATION ZONE; (D) MEASURING THE RATE OF INTRODUCING OF SAID FIRST STREAM INTO SAID FRACTIONATION ZONE;
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |