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John I. Choi
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Camillus, NY, US
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last 30 patents
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Patent Grant
Production of chromium (III) compounds
Patent number
4,528,175
Issue date
Jul 9, 1985
Allied Corporation
James F. Walther
C07 - ORGANIC CHEMISTRY
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Patent Grant
Recovery of soluble alumina values from alumina bearing ores
Patent number
4,339,415
Issue date
Jul 13, 1982
Allied Corporation
John I. Choi
C01 - INORGANIC CHEMISTRY