US2601599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recovering liquefiable hydrocarbons from gases
Assignee: Shell Development Co
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Filing: 1948-11-26
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Granted: 1952-06-24
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Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Philip H Deming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:04
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0209; C; C10; C10G; C10G5/00; C10G5/06; E; E21; E21B; E21B43/00; E21B43/34; E21B43/40; F25J3/0228; F25J3/0233; F25J3/0238; F25J3/0247; F25J2200/00; F25J2200/02; F25J2200/74; F25J2200/76; F25J2210/00; F25J2210/02; F25J2230/00; F25J2230/08; F25J2230/20; F25J2230/24; F25J2230/60; F25J2235/00; F25J2235/60; F25J2240/00; F25J2240/30; F25J2270/00; F25J2270/02; F25J2270/04; F25J2270/06; F25J2270/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF RECOVERING LIQUEFIABLE HYDROCARBONS FROM WET HYDROCARBON GAS CONSISTING PREDOMINANTLY OF HYDROCARBONS HAVING LESS THAN THREE CARBON ATOMS, TOGETHER WITH LESSER AMOUNTS OF SAID LIQUEFIABLE HYDROCARBONS, AND PRODUCING A DRY GAS IN A COMPRESSED STATE, COMPRISING THE STEPS OF SUBJECTING SAID WET GAS TO FRACTIONAL DISTILLATION AT A PRESSURE CAUSING THE FORMATION OF VAPOR PHASE CONTAINING DRY GAS AND A LIQUID PHASE CONTAINING SAID LIQUEFIABLE HYDROCARBONS AND AT A TEMPERATURE BELOW THE CRITICAL TEMPERATURE OF THE DRY GAS, SEPARATING SAID VAPOR PHASE FROM THE LIQUID PHASE LIQUEFYING THE SEPARATED VAPOR PHASE, AND COMPRESSING IT IN THE LIQUID STATE.
Claim 2
Independent Claim
100 words
THE METHOD OF RECOVERING LIQUEFIABLE HYDROCARBONS FROM WET HYDROCARBON GAS CONSISTING PREDOMINANTLY OF HYDROCARBONS HAVING LESS THAN THREE CARBON ATOMS, TOGETHER WITH LESSER AMOUNTS OF SAID LIQUEFIABLE HYDROCARBONS, AND PRODUCING A DRY GAS IN A COMPRESSED STATE, COMPRISING THE STEPS OF SUBJECTING SAID WET GAS TO FRACTIONAL DISTILLATION AT A PRESSURE CAUSING THE FORMATION OF VAPOR PHASE CONTAINING DRY GAS AND A LIQUID PHASE CONTAINING SAID LIQUEFIABLE HYDROCARBONS AND AT A TEMPERATURE BELOW THE CRITICAL TEMPERATURE OF THE DRY GAS, SEPARATING SAID VAPOR PHASE FROM THE LIQUID PHASE LIQUEFYING THE SEPARATED VAPOR PHASE, AND COMPRESSING IT IN THE LIQUID STATE.
References Cited (Backward Citations)
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US2258749A
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US2151248A
Cited
US2198098A
Cited
US2423156A
Cited
US2428521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |