US2589810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing gas atmosphere
Assignee: Holcroft and Co
•
Filing: 1948-03-29
•
Granted: 1952-03-18
•
Expires: 1968-03-29
Abstract
No abstract record available.
Inventors
- 👤 Walter H Holcroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:13
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/386; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/0238; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241; Y; Y02; Y02P; Y02P20/00; Y02P20/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD OF REACTING A GASEOUS HYDROCARBON FUEL WITH AIR TO PRODUCE A GAS ATMOSPHERE CONSISTING ESSENTIALLY OF CO, H2 AND N2 WHEREIN ONLY A PART OF HYDROCARBON FUEL IS REACTED IN THE PRESENCE OF A CATALYST, SAID METHOD COMPRISING FIRST BURNING A GASEOUS HYDROCARBON FUEL WITH AIR WITHOUT THE AID OF A CATALYST TO FORM GASEOUS PRODUCTS INCLUDING CO2 AND H2O, HEATING A CATALYST INDIRECTLY BY THE COMBUSTION, REMOVING FROM THE GASEOUS PRODUCTS THE MAJOR PORTION OF THE H2O TOGETHER WITH ANY IMPURITIES WHICH ARE CONDENSABLE, COMMINGLING WITH SAID, PRODUCTS AN ADDITIONAL QUANTITY OF GASEOUS HYDROCABRON FUEL SUFFICIENT TO CONVERT THE REMAINING CO2 TO CO AND H2, AND SUBJECTING THE MIXTURE TO THE ACTION OF THE HEATED CATALYST.
Claim 2
Independent Claim
119 words
A METHOD OF REACTING A GASEOUS HYDROCARBON FUEL WITH AIR TO PRODUCE A GAS ATMOSPHERE CONSISTING ESSENTIALLY OF CO, H2 AND N2 WHEREIN ONLY A PART OF HYDROCARBON FUEL IS REACTED IN THE PRESENCE OF A CATALYST, SAID METHOD COMPRISING FIRST BURNING A GASEOUS HYDROCARBON FUEL WITH AIR WITHOUT THE AID OF A CATALYST TO FORM GASEOUS PRODUCTS INCLUDING CO2 AND H2O, HEATING A CATALYST INDIRECTLY BY THE COMBUSTION, REMOVING FROM THE GASEOUS PRODUCTS THE MAJOR PORTION OF THE H2O TOGETHER WITH ANY IMPURITIES WHICH ARE CONDENSABLE, COMMINGLING WITH SAID, PRODUCTS AN ADDITIONAL QUANTITY OF GASEOUS HYDROCABRON FUEL SUFFICIENT TO CONVERT THE REMAINING CO2 TO CO AND H2, AND SUBJECTING THE MIXTURE TO THE ACTION OF THE HEATED CATALYST.
References Cited (Backward Citations)
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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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |