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3692839
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Patent number 3,692,839
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Issue date Sep 19, 1972
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C07 - ORGANIC CHEMISTRY
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3471623
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Patent number 3,471,623
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Issue date Oct 7, 1969
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C07 - ORGANIC CHEMISTRY
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3419595
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Patent number 3,419,595
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Issue date Dec 31, 1968
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C07 - ORGANIC CHEMISTRY
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3390176
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Patent number 3,390,176
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Issue date Jun 25, 1968
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C07 - ORGANIC CHEMISTRY
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3379765
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Patent number 3,379,765
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Issue date Apr 23, 1968
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C07 - ORGANIC CHEMISTRY
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3341602
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Patent number 3,341,602
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Issue date Sep 12, 1967
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C07 - ORGANIC CHEMISTRY
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3321515
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Patent number 3,321,515
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Issue date May 23, 1967
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C07 - ORGANIC CHEMISTRY
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3177216
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Patent number 3,177,216
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Issue date Apr 6, 1965
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C07 - ORGANIC CHEMISTRY
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3145222
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Patent number 3,145,222
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Issue date Aug 18, 1964
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C07 - ORGANIC CHEMISTRY