Patent US2977327A successfully refreshed from Google Patents.
US2977327A
Expired / Lapsed
US
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Process of producing nickel catalysts
Assignee: Raney Catalyst Co Inc
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Filing: 1958-09-26
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Granted: 1961-03-28
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Raney Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:43
CPC Classifications
B; B01; B01J; B01J25/00; B01J25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE PROCESS OF PREPARING A CATALYST MATERIAL BY MECHANICALLY MIXING A FINELY DIVIDED CATALYTIC METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL POWDER AND NICKEL CARBONYL POWDER WITH A POWDERED ALLOY OF A FINELY DIVIDED CATALYTIC METAL AND AN ALKALI SOLUBLE METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL ALUMINUM ALLOY AND NICKEL SILICON ALLOY IN A RATIO OF CATALYTIC METAL UP TO 10 TIMES THE WEIGHT OF THE CONTENT OF CATALYTIC METAL IN THE ALLOY AND TREATING THIS MIXTURE WITH A CAUSTIC ALKALI SOLUTION SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE SOLUTIONS.
Claim 2
Dependent Claim
97 words
THE PROCESS OF PREPARING A CATALYST MATERIAL BY MECHANICALLY MIXING A FINELY DIVIDED CATALYTIC METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL POWDER AND NICKEL CARBONYL POWDER WITH A POWDERED ALLOY OF A FINELY DIVIDED CATALYTIC METAL AND AN ALKALI SOLUBLE METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL ALUMINUM ALLOY AND NICKEL SILICON ALLOY IN A RATIO OF CATALYTIC METAL UP TO 10 TIMES THE WEIGHT OF THE CONTENT OF CATALYTIC METAL IN THE ALLOY AND TREATING THIS MIXTURE WITH A CAUSTIC ALKALI SOLUTION SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE SOLUTIONS.
References Cited (Backward Citations)
US1628190A
Cited
US2257800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |