US3567411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of gaseous product containing hydrogen and methane
Assignee: MW Kellogg Co
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Filing: 1968-08-26
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Granted: 1971-03-02
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Expires: 1988-08-26
Abstract
Abstract A PROCESS FOR THE CONVERSION OF HYDROCARBONS WITH STEAM TO PRODUCE GASEOUS PRODUCT CONTAINING HYDROGEN AND METHANE, OR TOWN''S GAS, WHICH COMPRISES CONTACTING THE HYDROCARBON AND STEAM WITH A PARTICULAR CATALYST AT A TEMPERATURE BETWEEN ABOUT 600*F. AND ABOUT 1000* F. SUCH THAT THERE IS SUBSTANTIALLY NO DELETERIOUS CARBON DEPOSITION ON THE CATALYST. THE CATALYST EMPLOYED CONTAINS ELEMENTAL NICKEL OR A COMPOUND OF NICKEL, AN OXIDIC REFRACTORY MATERIAL, AND AT LEAST 0.5 WEIGHT PERCENT OF AN ALKALI METAL COMPOUND, EXPRESSED AS ALKALI METAL.
Inventors
- 👤 Joseph F Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:43
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; B01J37/00; B01J37/02; B01J37/0201; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
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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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |