US3031287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing mixtures of hydrogen, carbon monoxide, and methane
Assignee: Individual
•
Filing: 1958-06-23
•
Granted: 1962-04-24
•
Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Homer E Benson
- 👤 Joseph H Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:42
CPC Classifications
C; C10; C10K; C10K3/00; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/061; C01B3/063; C01B3/08; C01B3/10; C07; C07C; C07C1/00; C07C1/02; C07C9/00; C07C9/02; C07C9/04; C10J; C10J3/00; C10J3/002; C10J3/02; C10J3/20; C10J3/46; C10J3/48; C10J3/482; C10J3/72; C10J3/725; C10J3/78; C10J3/82; C10J3/84; C10J2300/00; C10J2300/09; C10J2300/0903; C10J2300/0906; C10J2300/0913; C10J2300/093; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0969; C10J2300/0973; C10J2300/0976; C10J2300/16; C10J2300/1603; C10J2300/1606; C10J2300/1671; C10J2300/18; C10J2300/1807; C10J2300/1861; C10J2300/1884; C10J2300/1892; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR PRODUCING A GAS MIXTURE COMPRISING HYDROGEN, CARBON MONOXIDE AND METHANE FROM A MIXTURE OF GASES CONTAINING A SUBSTANTIAL PROPORTION OF CARBON MONOXIDE, WHICH COMPRISES, REACTING A MEMBER OF THE CLASS CONSISTING OF IRON, IRON OXIDES AND MIXTURES THEREOF WITH A GAS COMPRISING CARBON MONOXIDE AT A TEMPERATURE OF FROM ABOUT 850* TO ABOUT 1650*F. TO OXIDIZE THE CARBON MONOXIDE TO CARBON DIOXIDE, AND FORM A REDUCED IRON PRODUCT, AND REACTING SAID PRODUCT WITH STEAM AND CARBON DIOXIDE AT A TEMPERATURE OF FROM ABOUT 950* TO ABOUT 1350*F. AND A PRESSURE OF ABOUT 150 P.S.I.G. TO ABOUT 500 P.S.I.G.
Claim 2
Dependent Claim
101 words
A PROCESS FOR PRODUCING A GAS MIXTURE COMPRISING HYDROGEN, CARBON MONOXIDE AND METHANE FROM A MIXTURE OF GASES CONTAINING A SUBSTANTIAL PROPORTION OF CARBON MONOXIDE, WHICH COMPRISES, REACTING A MEMBER OF THE CLASS CONSISTING OF IRON, IRON OXIDES AND MIXTURES THEREOF WITH A GAS COMPRISING CARBON MONOXIDE AT A TEMPERATURE OF FROM ABOUT 850* TO ABOUT 1650*F. TO OXIDIZE THE CARBON MONOXIDE TO CARBON DIOXIDE, AND FORM A REDUCED IRON PRODUCT, AND REACTING SAID PRODUCT WITH STEAM AND CARBON DIOXIDE AT A TEMPERATURE OF FROM ABOUT 950* TO ABOUT 1350*F. AND A PRESSURE OF ABOUT 150 P.S.I.G. TO ABOUT 500 P.S.I.G.
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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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |