US2602070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of pure nickel hydroxide
Assignee: Huntington Alloys Corp
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Filing: 1950-09-15
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Granted: 1952-07-01
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Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Kirkpatrick William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:52
CPC Classifications
C; C01; C01G; C01G53/00; C01G53/05; B; B82; B82Y; B82Y30/00; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C01P; C01P2002/00; C01P2002/60; C01P2004/00; C01P2004/60; C01P2004/64; C01P2006/00; C01P2006/12; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A PROCESS FOR PRODUCING A SUPPORTED NICKEL CATALYST SUBSTANTIALLY DEVOID OF CONTAMINANTS COMPRISING REACTING A WATER SOLUBLE HYDROXIDE WITH A NICKEL SALT IN THE PRESENCE OF A REFRACTORY CARRIER MATERIAL AT A PH ABOVE ABOUT 12.5 TO PRODUCE NICKEL HYDROXIDE SUPPORTED BY THE CARRIER MATERIAL, SEPARATING THE CARRIER-SUPPORTED NICKEL HYDROXIDE FROM SOLUTION, TREATING THE CARRIERSUPPORTED NICKEL HYDROXIDE WITH A SUBSTANTIALLY ANHYDROUS ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS WITH 1 TO 5 CARBON ATOMS, AND THEIR ETHERS, FURANES AND HYDROFURANES, PYRANS AND HYDROPYRANS, AND KETONES WITH 1 TO 6 CARBON ATOMS TO EXTRACT THE CONTAMINANTS FROM SAID SUPPORTED NICKEL HYDROXIDE, SEPARATING SAID SUPPORTED NICKEL HYDROXIDE FROM SAID ORGANIC SOLVENT.
References Cited (Backward Citations)
US1232830A
Cited
US2422671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |