US3645915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized nickel oxide-nickel chromite reforming catalyst
Assignee: EIDP Inc
•
Filing: 1970-04-20
•
Granted: 1972-02-29
•
Expires: 1990-04-20
Abstract
Abstract A NICKEL OXIDE-NICKEL CHROMITE CATALYST STABILIZED WITH THE OXIDES OF LANTHANUM OR URANIUM IS USEFURL IN THE STEAM REFORMING OF HYDROCARBONS. THE CATALYST CAN OPTIONALLY CONTAIN OTHER OXIDES AS PROMOTERS, E.G. MANGANESE OXIDE, MAGNESIUM OXIDE, CERIUM OXIDE AND RARE EARTH OXIDES.
Inventors
- 👤 Alvin B Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:08
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/86; B01J23/866; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |