Patent US2835115A successfully refreshed from Google Patents.
US2835115A
Expired / Lapsed
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Process for separating a compressed gas mixture
Assignee: Linde GmbH
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Filing: 1955-05-20
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Granted: 1958-05-20
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Karwat Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:37
CPC Classifications
F; F25; F25J; F25J5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR PURIFYING A COMPRESSED GAS MIXTURE COMPRISING PROGRESSIVELY COOLING AND PURIFYING THE COMPRESSED GAS MIXTURE, SEPARATING THE PROCESSED GAS MIXTURE INTO FIRST AND SECOND PORTIONS CONTINUING THE COOLING AND PURIFYING OF THE FIRST PORTION TO RENDER THE FIRST PORTION COLDER THAN THE SECOND PORTION, PURIFYING THE SECOND PORTION BY ADSORPTION, CONTROLLABLY MIXING SAID PORTIONS TO OBTAIN A PURE MIXTURE AT DESIRED TEMPERATURE, AND USING THE MIXTURE FOR A COLD PRODUCTION PROCESS.
Claim 2
Dependent Claim
73 words
A PROCESS FOR PURIFYING A COMPRESSED GAS MIXTURE COMPRISING PROGRESSIVELY COOLING AND PURIFYING THE COMPRESSED GAS MIXTURE, SEPARATING THE PROCESSED GAS MIXTURE INTO FIRST AND SECOND PORTIONS CONTINUING THE COOLING AND PURIFYING OF THE FIRST PORTION TO RENDER THE FIRST PORTION COLDER THAN THE SECOND PORTION, PURIFYING THE SECOND PORTION BY ADSORPTION, CONTROLLABLY MIXING SAID PORTIONS TO OBTAIN A PURE MIXTURE AT DESIRED TEMPERATURE, AND USING THE MIXTURE FOR A COLD PRODUCTION PROCESS.
References Cited (Backward Citations)
GB373918A
Cited
US2584381A
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US2617275A
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US2650481A
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BE497662A
Cited
US2699047A
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US2777299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |