US3028332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid recovery from an originally vaporous mixture
Assignee: Shell USA Inc
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Filing: 1959-06-15
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Granted: 1962-04-03
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Forbes Henry
- 👤 Marel Hubrecht Van Der
- 👤 Berg Godfried J Van Den
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:14
CPC Classifications
B; B01; B01D; B01D5/00; B01D5/0033; B01D5/0036; B01D3/00; B01D3/14; B01D3/143; B01D3/146; B01D53/00; B01D53/002; C; C10; C10G; C10G5/00; C10G5/06; C10G7/00; C10G7/02; Y; Y10; Y10S; Y10S62/00; Y10S62/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN THE PROCESS OF A VAPOROUS HYDROCARBON STREAM CONTAINING NORMALLY GASEOUS COMPONENTS TO INCREASE THE LIQUID RECOVERY THEREFROM, WHEREIN THE STREAM IS COOLED TO EFFECT A CONDENSATION, FOLOWING WHICH THE STREAM IS SEPARATED INTO A GASEOUS PORTION AND A LIQUID PORTION AND THE INDIVIDUAL PORTIONS ARE SEPARATELY PRESSURIZED TO SUBSTANTIALLY THE SAME ELEVATED PRESSURE, THE IMPROVEMENT COMPRISING CONJOINTLY LIBERATING LIGHT COMPONENTS FROM THE TWO PRESSURIZED PORTIONS TO OBTAIN THEREFROM AS NEW PORTION A LIQUID FRACTION RECOVERED BY FRACTIONAL DISTILLATION AND RETURNING A PORTION OF SAID LIQUID FRACTION TO THE HYDROCARBON STREAM AT A POINT PRECEDING ITS SEPARATION INTO THE GASEOUS AND LIQUID PORTIONS, THEREBY SIGNIFICANTLY REDUCING THE TOTAL COMPRESSION WORK REQUIRED FOR THE PRESSURIZATIONS OF THE TWO SEPARATED PORTIONS.
Claim 2
Dependent Claim
119 words
IN THE PROCESS OF A VAPOROUS HYDROCARBON STREAM CONTAINING NORMALLY GASEOUS COMPONENTS TO INCREASE THE LIQUID RECOVERY THEREFROM, WHEREIN THE STREAM IS COOLED TO EFFECT A CONDENSATION, FOLOWING WHICH THE STREAM IS SEPARATED INTO A GASEOUS PORTION AND A LIQUID PORTION AND THE INDIVIDUAL PORTIONS ARE SEPARATELY PRESSURIZED TO SUBSTANTIALLY THE SAME ELEVATED PRESSURE, THE IMPROVEMENT COMPRISING CONJOINTLY LIBERATING LIGHT COMPONENTS FROM THE TWO PRESSURIZED PORTIONS TO OBTAIN THEREFROM AS NEW PORTION A LIQUID FRACTION RECOVERED BY FRACTIONAL DISTILLATION AND RETURNING A PORTION OF SAID LIQUID FRACTION TO THE HYDROCARBON STREAM AT A POINT PRECEDING ITS SEPARATION INTO THE GASEOUS AND LIQUID PORTIONS, THEREBY SIGNIFICANTLY REDUCING THE TOTAL COMPRESSION WORK REQUIRED FOR THE PRESSURIZATIONS OF THE TWO SEPARATED PORTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |