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Ernst Bareuther
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Butzbach, DE
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last 30 patents
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Patent Grant
Process for preparing a meta-kaolin white pigment from kaolinite
Patent number
5,674,315
Issue date
Oct 7, 1997
Metallgesellschaft Aktiengesellschaft
Ernst Bareuther
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method of extracting gold and silver from an ore
Patent number
4,438,076
Issue date
Mar 20, 1984
Metallgesellschaft AG
Hartmut Pietsch
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...