Patent US2952985A successfully refreshed from Google Patents.
US2952985A
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Apparatus for fractionating and refrigerating with or by miscible fluids
Assignee: Individual
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Filing: 1954-09-20
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Granted: 1960-09-20
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Expires: 1974-09-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Brandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:34
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/06; B; B01; B01D; B01D3/00; B01D3/14; B01D3/143; F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0209; F25J3/0228; F25J3/0233; F25J3/0238; F25J2200/00; F25J2200/80; F25J2205/00; F25J2205/02; F25J2205/04; F25J2240/00; F25J2240/40; F25J2260/00; F25J2260/30; F25J2280/00; F25J2280/30; F25J2290/00; F25J2290/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN APPARATUS FOR THE RECOVERY OF LIGHTER FRACTIONS FROM HIGH PRESSURE HYDROCARBON GAS FROM OIL WELLS WHICH COMPRISES, A TANK HAVING A PAIR OF SPACED APART IMPERVIOUS PARTITIONS DIVIDING SAID TANK INTO AN INTERMEDIATE COMPARTMENT AND SEPARATED UPPER LOWER END COMPARTMENTS, SUPPLY MEANS FOR DELIVERING UNDER PRESSURE HYDROCARBOB GAS INTO SAID INTERMEDIATE COMPARTMENT, A PAIR OF FRACTIONATING ASSEMBLIES EACH CONNECTING THE INTERMEDIATE COMPARTMENT WITH ONE OF SAID END COMPARTMENTS, MEANS FOR WITHDRAWING IN LIQUID PHASE LIGHTER AND HEAVIER FRACTIONS OF THE CONDENSATE FROM THE UPPER AND LOWER END COMPARTMENT RESPECTIVELY, AND MEANS FOR APPLYING HEAT TO ONE OF SAID FRACTIONATING ASSEMBLIES.
References Cited (Backward Citations)
US1808087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |