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3803228
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Patent number 3,803,228
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Issue date Apr 9, 1974
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C07 - ORGANIC CHEMISTRY
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3714217
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Patent number 3,714,217
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Issue date Jan 30, 1973
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C07 - ORGANIC CHEMISTRY
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3520941
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Patent number 3,520,941
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Issue date Jul 21, 1970
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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3470111
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Patent number 3,470,111
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Issue date Sep 30, 1969
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C07 - ORGANIC CHEMISTRY
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3470137
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Patent number 3,470,137
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Issue date Sep 30, 1969
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C07 - ORGANIC CHEMISTRY
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3427241
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Patent number 3,427,241
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Issue date Feb 11, 1969
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C07 - ORGANIC CHEMISTRY
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Patent number 3,248,434
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Issue date Apr 26, 1966
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C07 - ORGANIC CHEMISTRY