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Treatment of titaniferous materials
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Patent number 5,910,621
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Issue date Jun 8, 1999
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RGC Mineral Sands
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Harold Robert Harris
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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leaching of titaniferous materials
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Patent number 5,826,162
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Issue date Oct 20, 1998
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RGC Mineral Sands Limited
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Halil Aral
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Treatment of titaniferous materials
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Patent number 5,578,109
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Issue date Nov 26, 1996
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RGC Mineral Sands, Ltd.
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Harold R. Harris
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for the production of high purity zirconia
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Patent number 4,746,497
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Issue date May 24, 1988
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Commonwealth Scientific and Industrial Research Organization
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David H. Jenkins
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...