US3054745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid recovery from gaseous stream
Assignee: Shell USA Inc
•
Filing: 1959-06-15
•
Granted: 1962-09-18
•
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
2026-10-28 21:45
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
110 words
IN THE PROCESSING OF A HYDROCARBON MIXTURE CONTAINING NORMALLY GASEOUS COMPONENTS TO RECOVER LIQUID THEREFROM, WHEREIN THE TOP PRODUCT OF A FIRST DISTILLATION ZONE IS PARTLY CONDENSED AND SEPARATED INTO A CONDENSATEAND GAS, AND SAID CONDENSATE AT LEAST IN PART IS REMOVED TO A SECOOND DISTILLATION ZONE FROM WHICH THERE IS PARTLY A LIQUID PRODUCT AND A SECOND TOP PRODUCT THAT IS PARTLY CONDENSED TO PROVIDE A SECOND CONDENSATE AND A SECOND GAS GAS, THE IMPROVEMENT COMPRISING RETURING THE SECOND GAS AT LEAST IN PART TO THE FIRST TOP PRODUCT AT A POINT PRECEDING ITS SEPARATION INTO CONDENSATE AND GAS, THEREBY SIGNIFICANTLY INCREASING THE LIQUID RECOVERED FROM THE HYDROCARBON MIXTURE.
Claim 2
Dependent Claim
110 words
IN THE PROCESSING OF A HYDROCARBON MIXTURE CONTAINING NORMALLY GASEOUS COMPONENTS TO RECOVER LIQUID THEREFROM, WHEREIN THE TOP PRODUCT OF A FIRST DISTILLATION ZONE IS PARTLY CONDENSED AND SEPARATED INTO A CONDENSATEAND GAS, AND SAID CONDENSATE AT LEAST IN PART IS REMOVED TO A SECOOND DISTILLATION ZONE FROM WHICH THERE IS PARTLY A LIQUID PRODUCT AND A SECOND TOP PRODUCT THAT IS PARTLY CONDENSED TO PROVIDE A SECOND CONDENSATE AND A SECOND GAS GAS, THE IMPROVEMENT COMPRISING RETURING THE SECOND GAS AT LEAST IN PART TO THE FIRST TOP PRODUCT AT A POINT PRECEDING ITS SEPARATION INTO CONDENSATE AND GAS, THEREBY SIGNIFICANTLY INCREASING THE LIQUID RECOVERED FROM THE HYDROCARBON MIXTURE.
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |