US3216783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for selectively removing carbon monoxide from hydrogen-containing gases
Assignee: Engelhard Industries Inc
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Filing: 1962-10-09
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Granted: 1965-11-09
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Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Johann G E Cohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:00
CPC Classifications
C; C10; C10K; C10K3/00; C10K3/02; C10K3/04; C01; C01B; C01B3/00; C01B3/50; C01B3/56; C01B3/58; C01B3/583; C01B2203/00; C01B2203/04; C01B2203/0435; C01B2203/044; C01B2203/0465; C01B2203/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR THE SELECTIVE OXIDATION OF CARBON MONOXIDE TO CARBON DIOXIDE IN A GASEOUS MIXTURE CONSISTING ESSENTIALLY OF FROM ABOUT 20 TO ABOUT 98% BY VOLUME HYDROGEN, FROM 0.01 TO 2% CARBON MONOXIDE AND THE REMAINDER NITROGEN WHICH COMPRISES CONTACTING SAID GASEOUS MIXTURE IN THE PRESENCE OF OXYGEN WITH A SUPPORTED PLATINUM CATALYST AT A TEMPERATURE IN THE RANGE OF ABOUT 100*C. TO ABOUT 200*C., THE AMOUNT OF OXYGEN BEING SUFFICIENT TO PROVIDE AN OXYGEN TO CARBON MONOXIDE MOLAR RATIO IN THE RANGE OF ABOUT 1:1 TO 3:1.
Claim 2
Dependent Claim
89 words
A PROCESS FOR THE SELECTIVE OXIDATION OF CARBON MONOXIDE TO CARBON DIOXIDE IN A GASEOUS MIXTURE CONSISTING ESSENTIALLY OF FROM ABOUT 20 TO ABOUT 98% BY VOLUME HYDROGEN, FROM 0.01 TO 2% CARBON MONOXIDE AND THE REMAINDER NITROGEN WHICH COMPRISES CONTACTING SAID GASEOUS MIXTURE IN THE PRESENCE OF OXYGEN WITH A SUPPORTED PLATINUM CATALYST AT A TEMPERATURE IN THE RANGE OF ABOUT 100*C. TO ABOUT 200*C., THE AMOUNT OF OXYGEN BEING SUFFICIENT TO PROVIDE AN OXYGEN TO CARBON MONOXIDE MOLAR RATIO IN THE RANGE OF ABOUT 1:1 TO 3:1.
References Cited (Backward Citations)
GB555592A
Cited
US3088919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |