US3130026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the separation of carbon dioxide from compressed gases
Assignee: Linde GmbH
•
Filing: 1960-09-26
•
Granted: 1964-04-21
•
Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Becker Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:29
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0228; F25J3/0266; F25J3/0204; F25J3/0209; F25J3/0233; F25J2200/00; F25J2200/02; F25J2200/04; F25J2200/30; F25J2200/70; F25J2205/00; F25J2205/02; F25J2205/04; F25J2205/50; F25J2210/00; F25J2210/04; F25J2210/40; F25J2240/00; F25J2240/02; F25J2240/10; F25J2245/00; F25J2245/02; F25J2245/40; F25J2270/00; F25J2270/04; F25J2270/06; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y10; Y10S; Y10S62/00; Y10S62/928; Y10S62/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
PROCESS FOR SEPARATING CARBON DIOXIDE FROM A CRUDE GAS MIXTURE HAVING A HIGH CARBON DIOXIDE CONTENT WHICH COMPRISES LIQUEFYING THE CARBON DIOXIDE BY COOLING UNDER A PRESSURE ABOVE THE TRIPLE POINT, SEPARATING THE RESULTING LIQUID CARBON DIOXIDE FROM THE RESIDUAL GASES, SUPERHEATING AND SUBSEQUENTLY WORK-PRODUCINGLY EXPANDING IT IN SEVERAL STAGES, THE CARBON DIOXIDE BEING HEATED BY INDIRECT HEAT-EXCHANGE, BEFORE EACH EXPANSION STAGE, WITH A GAS WHICH HAS BEEN AT LEAST PARTLY FREED FROM CARBON DIOXIDE.
Claim 2
Dependent Claim
75 words
PROCESS FOR SEPARATING CARBON DIOXIDE FROM A CRUDE GAS MIXTURE HAVING A HIGH CARBON DIOXIDE CONTENT WHICH COMPRISES LIQUEFYING THE CARBON DIOXIDE BY COOLING UNDER A PRESSURE ABOVE THE TRIPLE POINT, SEPARATING THE RESULTING LIQUID CARBON DIOXIDE FROM THE RESIDUAL GASES, SUPERHEATING AND SUBSEQUENTLY WORK-PRODUCINGLY EXPANDING IT IN SEVERAL STAGES, THE CARBON DIOXIDE BEING HEATED BY INDIRECT HEAT-EXCHANGE, BEFORE EACH EXPANSION STAGE, WITH A GAS WHICH HAS BEEN AT LEAST PARTLY FREED FROM CARBON DIOXIDE.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |