US2825700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for reforming lower hydrocarbons formulation suitable for extrusion of same
Assignee: Wyeth Holdings LLC
•
Filing: 1953-06-08
•
Granted: 1958-03-04
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth D Ashley
- 👤 William B Innes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:19
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/0009; B01J23/00; B01J23/70; B01J23/74; B01J23/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS FOR PREPARING A NICKEL CATALYST OF IMGROVED CRUSH STRENGTH FOR REFORMING LOWER HYDROCARBONS WITH STEAM WHICH COMPRISES PREPARING A HYDRATED MIXTURE OF BASIC NICKEL CARBONATE FILTER CAKE AND A HYDRAULIC CEMENT CONTAINING AT LEAST 10% OF AN ALKALINE EARTH METAL OXIDE, SAID MIXTURE CONTAINING ON THE DRY BASIC ABOUT 65 TO 87 PARTS BY WEIGHT OF SAID CEMENT FOR EACH 35 TO 13 PARTS OF BASIC NICKEL CARBONATE AND FROM 1.2 TO 4 PARTS BY WEIGHT OF SOLIDS FOR EACH PART OF WATER, AGING SAID MIXTURE TO FORM AN EXTRUDABLE MASS AND EXTRUDING THE MIXTURE AND AGING THE EXTRUDED MASS TO HARDEN THE CEMENT.
Claim 2
Dependent Claim
106 words
A PROCESS FOR PREPARING A NICKEL CATALYST OF IMGROVED CRUSH STRENGTH FOR REFORMING LOWER HYDROCARBONS WITH STEAM WHICH COMPRISES PREPARING A HYDRATED MIXTURE OF BASIC NICKEL CARBONATE FILTER CAKE AND A HYDRAULIC CEMENT CONTAINING AT LEAST 10% OF AN ALKALINE EARTH METAL OXIDE, SAID MIXTURE CONTAINING ON THE DRY BASIC ABOUT 65 TO 87 PARTS BY WEIGHT OF SAID CEMENT FOR EACH 35 TO 13 PARTS OF BASIC NICKEL CARBONATE AND FROM 1.2 TO 4 PARTS BY WEIGHT OF SOLIDS FOR EACH PART OF WATER, AGING SAID MIXTURE TO FORM AN EXTRUDABLE MASS AND EXTRUDING THE MIXTURE AND AGING THE EXTRUDED MASS TO HARDEN THE CEMENT.
References Cited (Backward Citations)
US2038566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |