US3457192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ni on silica-magnesia-zirconia catalytic compositions used in reforming with steam
Assignee: Azote et Produits Chimiques SA
•
Filing: 1965-09-07
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Granted: 1969-07-22
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Jean Housset
- 👤 Jacques Quibel
- 👤 Pierre Honore
- 👤 Robert Pidoux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:28
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; 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
Total Claims: 0
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References Cited (Backward Citations)
US2056911A
Cited
US2639223A
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US2830880A
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US2943062A
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US3140249A
Cited
US3119667A
Cited
US3132010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |