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Biodegradable detergents
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Patent number 3,931,272
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Issue date Jan 6, 1976
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Universal Oil Products Company
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Herman S. Bloch
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C07 - ORGANIC CHEMISTRY
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3914271
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Patent number 3,914,271
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Issue date Oct 21, 1975
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C07 - ORGANIC CHEMISTRY
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3867432
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Patent number 3,867,432
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Issue date Feb 18, 1975
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C07 - ORGANIC CHEMISTRY
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3683006
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Patent number 3,683,006
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Issue date Aug 8, 1972
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C07 - ORGANIC CHEMISTRY
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3255227
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Patent number 3,255,227
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Issue date Jun 7, 1966
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C07 - ORGANIC CHEMISTRY
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2195345
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Patent number 2,195,345
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Issue date Mar 26, 1940
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C07 - ORGANIC CHEMISTRY