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using ramified chain carboxylic acids or derivatives thereof
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CPC
C22B3/0028
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
C22B3/00
Extraction of metal compounds from ores or concentrates by wet processes
Current Industry
C22B3/0028
using ramified chain carboxylic acids or derivatives thereof
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Patents Grants
last 30 patents
Information
Patent Grant
Recovery of neodymium/didymium values from bastnaesite ores
Patent number
5,338,520
Issue date
Aug 16, 1994
Rhone-Poulenc Chimie
Alain Leveque
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Quinolyl malonamide derivatives
Patent number
5,071,989
Issue date
Dec 10, 1991
Director General of Agency of Industrial Science and Technology
Kazuhisa Hiratani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of citric acid partial esters for the extraction of iron
Patent number
4,820,417
Issue date
Apr 11, 1989
Henkel Kommanditgesellschaft auf Aktien
Willi Buchmeier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hydrometallurgical method of extraction of copper from sulphide-con...
Patent number
4,552,632
Issue date
Nov 12, 1985
Elkem a/s
Einar Andersen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Extraction of Cu(II), Fe(III), Ni(II), Co(II), Cd(II), Zn(II), Ca(I...
Patent number
4,108,958
Issue date
Aug 22, 1978
Shell Oil Company
Riekert Kok
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
3661564
Patent number
3,661,564
Issue date
May 9, 1972
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
3251646
Patent number
3,251,646
Issue date
May 17, 1966
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
Solvent Extraction Process For Separating Cobalt And/Or Manganese F...
Publication number
20080038168
Publication date
Feb 14, 2008
Commonwealth Scientific and Industrial Research Organisation
Chu Yong Cheng
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...