US3256207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst composition
Assignee: Chemetron Corp
•
Filing: 1962-08-27
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Granted: 1966-06-14
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Melvin R Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:03
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A CATALYST COMPRISING NICKEL OXIDE SUPPORTED ON A CARRIER OF ANHYDROUS ALUMINA AND CLAY BONDED WITH A CALCIUM ALUMINATE BINDER, WHEREIN THE NICKEL CONTENT IS 10-20% OF THE FINISHED CATALYST WEIGHT, THE CALCIUM ALUMINATE CONTENT IS 23-35% OF THE FINISHED CATALYST WEIGHT, THE CLAY CONTENT IS 3-6% OF THE FINISHED CATALYST WEIGHT, AND THE CALCIUM ALUMINATE CONTAINS 73-82% AL2O3, 18-27% CALCIUM OXIDE AND 0-1.5% OTHER INORGANIC MATERIALS, THE AMOUNTS OF IRON OXIDE AND SODIUM OXIDE EACH BEING IN THE RANGE FROM 0-0.5%.
Claim 2
Dependent Claim
82 words
A CATALYST COMPRISING NICKEL OXIDE SUPPORTED ON A CARRIER OF ANHYDROUS ALUMINA AND CLAY BONDED WITH A CALCIUM ALUMINATE BINDER, WHEREIN THE NICKEL CONTENT IS 10-20% OF THE FINISHED CATALYST WEIGHT, THE CALCIUM ALUMINATE CONTENT IS 23-35% OF THE FINISHED CATALYST WEIGHT, THE CLAY CONTENT IS 3-6% OF THE FINISHED CATALYST WEIGHT, AND THE CALCIUM ALUMINATE CONTAINS 73-82% AL2O3, 18-27% CALCIUM OXIDE AND 0-1.5% OTHER INORGANIC MATERIALS, THE AMOUNTS OF IRON OXIDE AND SODIUM OXIDE EACH BEING IN THE RANGE FROM 0-0.5%.
References Cited (Backward Citations)
US2056911A
Cited
US2038566A
Cited
US2565395A
Cited
US2825700A
Cited
US2897160A
Cited
US3001953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |