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3865896
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Patent number 3,865,896
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Issue date Feb 11, 1975
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C07 - ORGANIC CHEMISTRY
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3742080
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Patent number 3,742,080
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Issue date Jun 26, 1973
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C07 - ORGANIC CHEMISTRY
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3640898
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Patent number 3,640,898
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Issue date Feb 8, 1972
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C07 - ORGANIC CHEMISTRY
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3590069
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Patent number 3,590,069
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Issue date Jun 29, 1971
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C07 - ORGANIC CHEMISTRY
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3342854
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Patent number 3,342,854
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Issue date Sep 19, 1967
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3342853
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Patent number 3,342,853
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Issue date Sep 19, 1967
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C07 - ORGANIC CHEMISTRY
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3265695
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Patent number 3,265,695
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Issue date Aug 9, 1966
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C07 - ORGANIC CHEMISTRY
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3238265
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Patent number 3,238,265
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Issue date Mar 1, 1966
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C07 - ORGANIC CHEMISTRY
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3160601
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Patent number 3,160,601
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Issue date Dec 8, 1964
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3094497
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Patent number 3,094,497
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Issue date Jun 18, 1963
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...