US2603310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for separating the constituents of hydrocarbon gases
Assignee: Phillips Petroleum Co
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Filing: 1948-07-12
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Granted: 1952-07-15
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Expires: 1968-07-12
Abstract
No abstract record available.
Inventors
- 👤 Forrest E Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:10
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0228; F25J3/0257; C; C07; C07C; C07C7/00; C07C7/11; F25J3/0204; F25J3/0209; F25J3/0233; F25J3/0238; F25J2200/00; F25J2200/72; F25J2205/00; F25J2205/02; F25J2205/04; F25J2205/50; F25J2210/00; F25J2210/06; F25J2235/00; F25J2235/60; F25J2240/00; F25J2240/02; F25J2240/12; F25J2270/00; F25J2270/02; F25J2270/04; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR SEPARATING THE CONSTITUENTS OF NATURAL GAS COMPRISING, IN COMBINATION, A MULTI-STAGE COUNTERCURRENT HEAT EXCHANGER, MEANS FOR REMOVING A VAPOR FRACTION AT EACH STATE OF THE HEAT EXCHANGER, A VESSEL FOR SEPARTING GASEOUS AND LIQUID PHASES, AN ABSORPTION TOWER, A FRACTIONATING TOWER, MEANS FOR PASSING FEED GAS THROUGH SAID HEAT EXCHANGER AND SAID VESSEL TO AN INTERMEDIATE REGION OF SAID ABSORPTION TOWER, MEANS FOR PASSING THE BOTTOM PRODUCTOF SAID ABSORPTION TOWER THROUGH THE HEAT EXCHANGER IN COUNTERCURRENT FLOW WITH RESPECT TO THE FEED GAS, MEANS FOR CONVEYING WITHDRAWN FRACTIONS OF SAID BOTTOM PRODUCT TOGETHER WITH THE RESIDUE FRACTION TO SUCCESSIVELY HIGHER TEMPERATURE REGIONS OF SAID FRACTIONATING TOWER, AND OUTLET CONDUIT FOR REMOVING THE PRODUCT OF SAID FRACTIONATING TOWER, A
Claim 2
Dependent Claim
120 words
APPARATUS FOR SEPARATING THE CONSTITUENTS OF NATURAL GAS COMPRISING, IN COMBINATION, A MULTI-STAGE COUNTERCURRENT HEAT EXCHANGER, MEANS FOR REMOVING A VAPOR FRACTION AT EACH STATE OF THE HEAT EXCHANGER, A VESSEL FOR SEPARTING GASEOUS AND LIQUID PHASES, AN ABSORPTION TOWER, A FRACTIONATING TOWER, MEANS FOR PASSING FEED GAS THROUGH SAID HEAT EXCHANGER AND SAID VESSEL TO AN INTERMEDIATE REGION OF SAID ABSORPTION TOWER, MEANS FOR PASSING THE BOTTOM PRODUCTOF SAID ABSORPTION TOWER THROUGH THE HEAT EXCHANGER IN COUNTERCURRENT FLOW WITH RESPECT TO THE FEED GAS, MEANS FOR CONVEYING WITHDRAWN FRACTIONS OF SAID BOTTOM PRODUCT TOGETHER WITH THE RESIDUE FRACTION TO SUCCESSIVELY HIGHER TEMPERATURE REGIONS OF SAID FRACTIONATING TOWER, AND OUTLET CONDUIT FOR REMOVING THE PRODUCT OF SAID FRACTIONATING TOWER, A
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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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |