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Additive for use in metal working
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Patent number 4,268,404
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Issue date May 19, 1981
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Hoechst Aktiengesellschaft
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Michael Ahlgrim
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Detergent and cleaning compositions
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Patent number 4,265,776
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Issue date May 5, 1981
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Hoechst Aktiengesellschaft
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Werner Gohla
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Stabilized red phosphorus
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Patent number 4,210,630
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Issue date Jul 1, 1980
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Hoechst Aktiengesellschaft
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Franz-Josef Dany
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C01 - INORGANIC CHEMISTRY
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