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3871998
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Patent number 3,871,998
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Issue date Mar 18, 1975
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C07 - ORGANIC CHEMISTRY
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3865750
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Patent number 3,865,750
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Issue date Feb 11, 1975
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C07 - ORGANIC CHEMISTRY
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3586731
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Patent number 3,586,731
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Issue date Jun 22, 1971
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C07 - ORGANIC CHEMISTRY
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3544647
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Patent number 3,544,647
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Issue date Dec 1, 1970
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C07 - ORGANIC CHEMISTRY
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3437586
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Patent number 3,437,586
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Issue date Apr 8, 1969
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C07 - ORGANIC CHEMISTRY
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3429679
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Patent number 3,429,679
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Issue date Feb 25, 1969
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C07 - ORGANIC CHEMISTRY
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3350443
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Patent number 3,350,443
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Issue date Oct 31, 1967
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C07 - ORGANIC CHEMISTRY
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3313859
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Patent number 3,313,859
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Issue date Apr 11, 1967
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C07 - ORGANIC CHEMISTRY
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3260769
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Patent number 3,260,769
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Issue date Jul 12, 1966
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C07 - ORGANIC CHEMISTRY
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3213153
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Patent number 3,213,153
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Issue date Oct 19, 1965
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C07 - ORGANIC CHEMISTRY