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3478113
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Patent number 3,478,113
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Issue date Nov 11, 1969
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C07 - ORGANIC CHEMISTRY
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3470097
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Patent number 3,470,097
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Issue date Sep 30, 1969
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C07 - ORGANIC CHEMISTRY
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3422161
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Patent number 3,422,161
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Issue date Jan 14, 1969
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C07 - ORGANIC CHEMISTRY
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3173965
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Patent number 3,173,965
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Issue date Mar 16, 1965
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C07 - ORGANIC CHEMISTRY
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3110743
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Patent number 3,110,743
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Issue date Nov 12, 1963
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C07 - ORGANIC CHEMISTRY