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US3088955A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of acetylacetonates from ores

Assignee: Union Carbide Corp
•
Filing: 1958-08-11
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Granted: 1963-05-07
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Expires: 1978-08-11
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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 16:47
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

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