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In-flight encapsulation of particles
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Patent number 4,353,962
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Issue date Oct 12, 1982
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Environmental Chemicals, Inc.
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Chester M. Himel
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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In-flight encapsulation of particles
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Patent number 4,286,020
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Issue date Aug 25, 1981
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Environmental Chemicals, Inc.
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Chester M. Himel
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Floating pesticide dispenser
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Patent number 4,228,614
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Issue date Oct 21, 1980
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Environmental Chemicals, Inc.
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Nathan F. Cardarelli
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Slow release copper toxicant compositions
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Patent number 4,012,221
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Issue date Mar 15, 1977
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International Copper Research Association Inc.
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Katherine E. Walker
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING