US2728406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature separation processes and units
Assignee: Cameron Solutions Inc
•
Filing: 1953-09-25
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Granted: 1955-12-27
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Expires: 1973-09-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Maher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:28
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/06; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/95; Y10S62/00; Y10S62/902; Y10S62/905; Y10S62/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A LOW TEMPERATURE SEPARATION PROCESS WHEREIN A PETROLEUM WELL STREAM IS INITIALLY SEPARATED INTO A VAPOR PORTION AND A LIQUID PORTION WITH THE VAPOR PORTION THEN BEING COOLED AND INTRODUCED INTO A SEPARATION ZONE WHEREIN CONDENSED LIQUIDS ARE SEPARATED FROM THE VAPOR AND DRAWN OFF AS SEPARATE HYDROCARBON AND AQUEOUS PHASES, THE IMPROVEMENT INCLUDING THE STEPS OF, SEPARATELY WITHDRAWING THE SEPARATED LIQUID PORTION FROM THE FIRST-NAMED SEPARATION STEP, CONVEYING THE LIQUID PORTION TO THE SEPARATION ZONE AND THEREIN SEPARATING SAID LIQUID PORTION INTO HYDROCARBON AND AQUEOUS PHASES WHILE MAINTAINING THE LIQUID PORTION APART FROM THE VAPOR PORTION, WITHDRAWING THE SEPARATED HYDROCARBON PHASES FROM THE SEPARATION ZONE, AND WITHDRAWING THE SEPARATED AQUEOUS PHASES INDIVIDUALLY FROM THE SEPARATION ZONE.
Claim 2
Dependent Claim
118 words
IN A LOW TEMPERATURE SEPARATION PROCESS WHEREIN A PETROLEUM WELL STREAM IS INITIALLY SEPARATED INTO A VAPOR PORTION AND A LIQUID PORTION WITH THE VAPOR PORTION THEN BEING COOLED AND INTRODUCED INTO A SEPARATION ZONE WHEREIN CONDENSED LIQUIDS ARE SEPARATED FROM THE VAPOR AND DRAWN OFF AS SEPARATE HYDROCARBON AND AQUEOUS PHASES, THE IMPROVEMENT INCLUDING THE STEPS OF, SEPARATELY WITHDRAWING THE SEPARATED LIQUID PORTION FROM THE FIRST-NAMED SEPARATION STEP, CONVEYING THE LIQUID PORTION TO THE SEPARATION ZONE AND THEREIN SEPARATING SAID LIQUID PORTION INTO HYDROCARBON AND AQUEOUS PHASES WHILE MAINTAINING THE LIQUID PORTION APART FROM THE VAPOR PORTION, WITHDRAWING THE SEPARATED HYDROCARBON PHASES FROM THE SEPARATION ZONE, AND WITHDRAWING THE SEPARATED AQUEOUS PHASES INDIVIDUALLY FROM THE SEPARATION ZONE.
References Cited (Backward Citations)
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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) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |