US2562804A
Expired / Lapsed
US
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Regeneration of an iron catalyst with controlled co2:co ratios
Assignee: Standard Oil Development Co
•
Filing: 1947-11-28
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Granted: 1951-07-31
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Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Homer Z Martin
- 👤 Mayer Ivan
- 👤 Charles W Tyson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:39
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/94; B01J8/00; B01J8/18; B01J8/24; B01J8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD FOR REMOVING CARBONACECOUS DEPOSITS FROM AN IRON CATALYST CONTAMINATED THEREWITH WITHOUT SUBSTANTIALLY INCREASING THE OXYGEN CONTENT OF THE IRON, WHICH COMPRISES OXIDIZING THE CONTAMINATED CATALYST IN A DECARBONIZATION ZONE IN AN ATMOSPHERE CONTAINING CARBON OXIDES AND ESSENTIALLY NO FREE O2 AT A TEMPERATURE ABOVE ABOUT 1000* F. WHILE CORRELATING THE PARTIAL PRESSURES OF CO2 AND CO WITH THE TEMPERATURE IN SUCH A MANNER THAT R SILL NOT BE GREATER THAN THAT DEFINED BY THE EQUATION
Claim 2
Independent Claim
77 words
A METHOD FOR REMOVING CARBONACECOUS DEPOSITS FROM AN IRON CATALYST CONTAMINATED THEREWITH WITHOUT SUBSTANTIALLY INCREASING THE OXYGEN CONTENT OF THE IRON, WHICH COMPRISES OXIDIZING THE CONTAMINATED CATALYST IN A DECARBONIZATION ZONE IN AN ATMOSPHERE CONTAINING CARBON OXIDES AND ESSENTIALLY NO FREE O2 AT A TEMPERATURE ABOVE ABOUT 1000* F. WHILE CORRELATING THE PARTIAL PRESSURES OF CO2 AND CO WITH THE TEMPERATURE IN SUCH A MANNER THAT R SILL NOT BE GREATER THAN THAT DEFINED BY THE EQUATION
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |