Patent US3138438A successfully refreshed from Google Patents.
US3138438A
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Methods for converting methane
Assignee: Renault SA
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Filing: 1961-05-25
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Granted: 1964-06-23
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Expires: 1981-05-25
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:28
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44; C01B3/32; C01B3/34; C01B3/38; C01B3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN THE PREPARATION OF CARBON MONOXIDE-HYDROGEN MIXTURES BY THE REACTION OF METHANE WITH OXYGEN AND STREAM IN THE PRESENCE OF A FLUIDIZED BED OF A NICKEL CATALYST, MIXING ON ONE HAND THE METHANE WITH A PART OF THE STEAM AND ON THE OTHER HAND THE OXYGEN WITH THE REMAINDER OF THE STEAM, SEPARATELY PREHEATING BOTH OF THE RESULTING MIXTURES TO A TEMPERATURE WITHIN THE RANGE 1290*F. TO 1650* F., INTRODUCING SEPARATELY BOTH OF SAID MIXTURES INTO THE FLUIDIZED BED OF THE CATALYST AND BRINGING THEM INTO CONTACT WITHIN THE FLUIDIZED BED OF THE CATALYST WHEREBY THE METHANE REACTS WITH SAID STEAM AND OXYGEN TO PRODUCE A CARBON MONOXIDE-HYDROGEN MIXTURE.
Claim 2
Dependent Claim
109 words
IN THE PREPARATION OF CARBON MONOXIDE-HYDROGEN MIXTURES BY THE REACTION OF METHANE WITH OXYGEN AND STREAM IN THE PRESENCE OF A FLUIDIZED BED OF A NICKEL CATALYST, MIXING ON ONE HAND THE METHANE WITH A PART OF THE STEAM AND ON THE OTHER HAND THE OXYGEN WITH THE REMAINDER OF THE STEAM, SEPARATELY PREHEATING BOTH OF THE RESULTING MIXTURES TO A TEMPERATURE WITHIN THE RANGE 1290*F. TO 1650* F., INTRODUCING SEPARATELY BOTH OF SAID MIXTURES INTO THE FLUIDIZED BED OF THE CATALYST AND BRINGING THEM INTO CONTACT WITHIN THE FLUIDIZED BED OF THE CATALYST WHEREBY THE METHANE REACTS WITH SAID STEAM AND OXYGEN TO PRODUCE A CARBON MONOXIDE-HYDROGEN MIXTURE.
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |