US3088955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of acetylacetonates from ores
Assignee: Union Carbide Corp
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Filing: 1958-08-11
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Granted: 1963-05-07
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Foos
- 👤 Howard F Gemperline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:48
CPC Classifications
C; C22; C22B; C22B3/00; C22B3/04; C22B3/16; C22B3/1608; C22B3/1616; C22B3/1641; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR BENEFICIATING AN OXIDIC ORE OF A METAL SELECTED FROM THE GROUP CONSISTING OF URANIUM, VANADIUM, MANGANESE, ALUMINUM, COPPER, NICKEL AND COBALT WHICH COMPRISES COMMINUTING SAID ORE, LEACHING SAID COMMINUTED ORE WITH A STOICHIOMETRIC QUANTITY OF ACETYLACETONE FOR THE CONVERSION OF CONTAINED METAL OXIDES TO METAL ACETYLACTONATES AND WITH AT LEAST A SUFFICIENT EXCESS TO DISSOLVE SAID METAL ACETYLACETONATE IN A MINIMUM QUANTITY OF ACETYLACETONE AT A TEMPERATURE IN THE RANGE OF FROM ABOUT ROOM TEMPERATURE UP TO ABOUT THE REFLUX TEMPERATURE OF ACETYLACETONE AND SAID METAL ACETYLACETONATE, AND SEPARATING THE LEACH LIQUOR SO PRODUCED FROM THE LEACHED ORE WHEREBY SAID LEACH LIQUOR CONTAINS A SUBSTANTIAL QUANTITY OF THE OXIDE OF SAID METAL AS A METAL ACETYLACETONATE SUBSTANTIALLY FREE FROM GANGUE MATERIALS.
Claim 2
Dependent Claim
124 words
A PROCESS FOR BENEFICIATING AN OXIDIC ORE OF A METAL SELECTED FROM THE GROUP CONSISTING OF URANIUM, VANADIUM, MANGANESE, ALUMINUM, COPPER, NICKEL AND COBALT WHICH COMPRISES COMMINUTING SAID ORE, LEACHING SAID COMMINUTED ORE WITH A STOICHIOMETRIC QUANTITY OF ACETYLACETONE FOR THE CONVERSION OF CONTAINED METAL OXIDES TO METAL ACETYLACTONATES AND WITH AT LEAST A SUFFICIENT EXCESS TO DISSOLVE SAID METAL ACETYLACETONATE IN A MINIMUM QUANTITY OF ACETYLACETONE AT A TEMPERATURE IN THE RANGE OF FROM ABOUT ROOM TEMPERATURE UP TO ABOUT THE REFLUX TEMPERATURE OF ACETYLACETONE AND SAID METAL ACETYLACETONATE, AND SEPARATING THE LEACH LIQUOR SO PRODUCED FROM THE LEACHED ORE WHEREBY SAID LEACH LIQUOR CONTAINS A SUBSTANTIAL QUANTITY OF THE OXIDE OF SAID METAL AS A METAL ACETYLACETONATE SUBSTANTIALLY FREE FROM GANGUE MATERIALS.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |