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Coal-water slurry compositions
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Patent number 4,597,770
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Issue date Jul 1, 1986
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The Procter & Gamble Company
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Joseph T. Forand
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Coal-water slurry compositions
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Patent number 4,472,170
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Issue date Sep 18, 1984
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The Procter & Gamble Company
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James A. Hellyer
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Frozen dessert product and process
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Patent number 3,949,102
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Issue date Apr 6, 1976
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The Procter & Gamble Company
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James Allen Hellyer
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES