US3179487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing radioactive impurities from gases
Assignee: Linde GmbH
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Filing: 1959-11-27
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Granted: 1965-04-20
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Baldus Wolfgang
- 👤 Lehmer Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:35
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; F; F25; F25J; F25J3/00; F25J3/08; F25J2205/00; F25J2205/02; F25J2205/24; F25J2205/40; F25J2205/60; F25J2215/00; F25J2215/30; F25J2215/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
PROCESS FOR PURIFYING A GAS MIXTURE CONTAINING RADIOACTIVE IMPURITIES AND HYDROGEN AND CARBON MONOXIDE AS NON-RADIOACTIVE IMPURITIES, WHICH COMPRISES OXIDIZING ONLY THE NON-RADIOACTIVE IMPUITIES OF SAID MIXTURE WITH THE AID OF A CATALYST MASS TO CONVERT THE HYDROGEN AND CARBON DIOXIDE TO WATER AND CARBON DIOXIDE, SEPARATING THE WATER AND CARBON DIOXIDE FROM THE GAS MIXTURE BY CONDENSATION AND ADSORPTION AT A TEMPERATURE WITHIN THE RANGE 0*C. TO -70*C., AND SEPARATING THE RADIOACTIVE IMPURITIES FROM THE GAS MIXTURE BY ADSORPTION IN AN ADSORPTION AGENT AT A TEMPERATURE BELOW -70*C.
Claim 2
Dependent Claim
89 words
PROCESS FOR PURIFYING A GAS MIXTURE CONTAINING RADIOACTIVE IMPURITIES AND HYDROGEN AND CARBON MONOXIDE AS NON-RADIOACTIVE IMPURITIES, WHICH COMPRISES OXIDIZING ONLY THE NON-RADIOACTIVE IMPUITIES OF SAID MIXTURE WITH THE AID OF A CATALYST MASS TO CONVERT THE HYDROGEN AND CARBON DIOXIDE TO WATER AND CARBON DIOXIDE, SEPARATING THE WATER AND CARBON DIOXIDE FROM THE GAS MIXTURE BY CONDENSATION AND ADSORPTION AT A TEMPERATURE WITHIN THE RANGE 0*C. TO -70*C., AND SEPARATING THE RADIOACTIVE IMPURITIES FROM THE GAS MIXTURE BY ADSORPTION IN AN ADSORPTION AGENT AT A TEMPERATURE BELOW -70*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |