Patent US2762026A successfully refreshed from Google Patents.
US3334055A
Expired / Lapsed
US
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Steam reforming processes
Assignee: Imperial Chemical Industries Ltd
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Filing: 1963-07-08
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Granted: 1967-08-01
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Expires: 1983-07-08
Abstract
No abstract record available.
Inventors
- 👤 Dowden Dennis Albert
- 👤 Davies Phineas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/58; B01J23/70; B01J23/89; B01J23/892; B01J23/8933; B01J23/8946; B01J37/00; B01J37/02; B01J37/0201; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/1082; C01B2203/1094; C10; C10G; C10G2400/00; C10G2400/26; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
73 words
A STEAM REFORMING CATALYST COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 3 TO ABOUT 80 PERCENT, CALCULATED AS THE OXIDE, OF AN ACTIVE CONSTITUENT SELECTED FROM THE CLASS CONSISTING OF NICKEL AND COBALT METALS AND COMPOUNDS THEREOF REDUCIBLE TO THE METAL, A REFRACTORY SUPPORT MATERIAL AND BETWEEN 0.001 AND 0.5% BY WEIGHT, CALCULATED AS THE METAL OF AN ACTIVATOR SELECTED FROM THE CLASS CONSISTING OF PLATINUM GROUP METALS AND THEIR COMPOUDS REDUCIBLE TO THE METAL.
Claim 2
Dependent Claim
73 words
A STEAM REFORMING CATALYST COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 3 TO ABOUT 80 PERCENT, CALCULATED AS THE OXIDE, OF AN ACTIVE CONSTITUENT SELECTED FROM THE CLASS CONSISTING OF NICKEL AND COBALT METALS AND COMPOUNDS THEREOF REDUCIBLE TO THE METAL, A REFRACTORY SUPPORT MATERIAL AND BETWEEN 0.001 AND 0.5% BY WEIGHT, CALCULATED AS THE METAL OF AN ACTIVATOR SELECTED FROM THE CLASS CONSISTING OF PLATINUM GROUP METALS AND THEIR COMPOUDS REDUCIBLE TO THE METAL.
Claim 3
Dependent Claim
39 words
A COMPOSITION ACCORDING TO CLAIM 1 WHICH CONTAINS A MODIFIER SELECTED FROM THE CLASS OF ALKALI METAL AND ALKALINE EARTH METAL COMPOUNDS IN AN AMOUNT OF AT LEAST 0.5% BY WEIGHT CALCULATED AS THE EQUIVALENT WEIGHT OF POTASSIUM OXIDE.
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |