US2585288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of carbon dioxide
Assignee: —
•
Filing: 1947-10-02
•
Granted: 1952-02-12
•
Expires: 1967-10-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:40
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/0605; F25J3/062; C; C01; C01B; C01B32/00; C01B32/50; C01B32/55; F25J3/063; F25J3/067; F25J2205/00; F25J2205/20; F25J2210/00; F25J2210/04; F25J2210/20; F25J2215/00; F25J2215/04; F25J2220/00; F25J2220/80; F25J2220/82; F25J2240/00; F25J2240/02; F25J2245/00; F25J2245/02; F25J2270/00; F25J2270/02; F25J2270/04; F25J2270/80; F25J2290/00; F25J2290/34; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE METHOD OF SEPARATING CARBON DIOXIDE FROM GASEOUS MIXTURES CONTAINING MORE VOLATILE GASEOUS IMPURITIES WHICH COMPRISES COMPRESSING AND COOLING THE GASEOUS MIXTURE, INITIALLY EXPANDING THE GASEOUS MIXTURE TO PROVIDE A GASEOUS PHASE CONTAINING ALL OF THE IMPURITIES AND A LIQ-
Claim 2
Independent Claim
40 words
THE METHOD OF SEPARATING CARBON DIOXIDE FROM GASEOUS MIXTURES CONTAINING MORE VOLATILE GASEOUS IMPURITIES WHICH COMPRISES COMPRESSING AND COOLING THE GASEOUS MIXTURE, INITIALLY EXPANDING THE GASEOUS MIXTURE TO PROVIDE A GASEOUS PHASE CONTAINING ALL OF THE IMPURITIES AND A LIQ-
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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |