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Herbicidal composition
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Patent number 4,979,979
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Issue date Dec 25, 1990
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E. I. Du Pont de Nemours and Company
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William A. McCollum
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Slow release pesticide formulations
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Patent number 4,557,929
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Issue date Dec 10, 1985
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E. I. Du Pont de Nemours and Company
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Robert D. Wysong
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Slow release pesticide formulations
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Patent number 4,435,383
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Issue date Mar 6, 1984
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E. I. Du Pont de Nemours and Company
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Robert D. Wysong
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Melt-extrudable cold water soluble films
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Patent number 4,215,169
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Issue date Jul 29, 1980
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E. I. Du Pont de Nemours and Company
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Robert D. Wysong
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Melt extrudable cold water-soluble films
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Patent number 4,206,101
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Issue date Jun 3, 1980
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E. I. Du Pont de Nemours and Company
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Robert D. Wysong
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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