US3074245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the selective removal of carbon dioxide and hydrogen sulfide from gaseous mixtures containing the same
Assignee: Linde GmbH
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Filing: 1958-06-16
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Granted: 1963-01-22
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Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Becker Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:22
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/1456; B01D53/1462; B01D53/002; C; C01; C01B; C01B3/00; C01B3/50; C01B3/506; C01B3/52; B01D2257/00; B01D2257/30; B01D2257/304; B01D2257/50; B01D2257/504; C01B2203/00; C01B2203/04; C01B2203/0415; C01B2203/0465; C01B2203/047; C01B2203/0475; C01B2203/0485; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151; Y10; Y10S; Y10S62/00; Y10S62/922; Y10S62/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A PROCESS FOR THE SELECTIVE REMOVAL OF TWO GASEOUS CONSTITUENTS HAVING DIFFERENT BOILING POINTS FROM A GAS MIXTURE CONTAINING THESE CONSTITUENTS AND ANOTHER GAS BY MEANS OF REVERSING REGENERATORS IN WHICH ONE CONSTITUENT OF LOWER BOILING POINT IS INITIALLY CONTAINED IN ESSENTIALLY GREATER CONCENTRATION THAN ANOTHER CONSTITUENT OF HIGHER BOILING POINT AND IN WHICH THE HIGHER BOILING CONSTITUENT IS SUBSTANTIALLY VOLATILE UPON THE FREEZING OF THE LOWER BOILING CONSTITUENT, THE METHOD WHICH COMPRISES COOLING SAID GAS MIXTUURE IN A REGENERATOR TO A TEMPERATURE SLIGHTLY ABOVE THE BOILING POINT OF THE HIGHER BOILING CONSTITUENT AT ITS PARTIAL PRESSURE IN THE GAS MIXTURE FOR CONDENSING THE GREATEST PART OF THE LOWER BOILING CONSTITUENT.
Claim 2
Dependent Claim
112 words
IN A PROCESS FOR THE SELECTIVE REMOVAL OF TWO GASEOUS CONSTITUENTS HAVING DIFFERENT BOILING POINTS FROM A GAS MIXTURE CONTAINING THESE CONSTITUENTS AND ANOTHER GAS BY MEANS OF REVERSING REGENERATORS IN WHICH ONE CONSTITUENT OF LOWER BOILING POINT IS INITIALLY CONTAINED IN ESSENTIALLY GREATER CONCENTRATION THAN ANOTHER CONSTITUENT OF HIGHER BOILING POINT AND IN WHICH THE HIGHER BOILING CONSTITUENT IS SUBSTANTIALLY VOLATILE UPON THE FREEZING OF THE LOWER BOILING CONSTITUENT, THE METHOD WHICH COMPRISES COOLING SAID GAS MIXTUURE IN A REGENERATOR TO A TEMPERATURE SLIGHTLY ABOVE THE BOILING POINT OF THE HIGHER BOILING CONSTITUENT AT ITS PARTIAL PRESSURE IN THE GAS MIXTURE FOR CONDENSING THE GREATEST PART OF THE LOWER BOILING CONSTITUENT.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |