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Process for removal of poisonous gases
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Patent number 4,578,256
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Issue date Mar 25, 1986
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Takeda Chemical Industries, Ltd.
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Hiroshi Nishino
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for treatment of gases
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Patent number 4,556,547
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Issue date Dec 3, 1985
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Takeda Chemical Industries, Ltd.
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Hiroshi Nishino
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method for removal of poisonous gases
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Patent number 4,532,115
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Issue date Jul 30, 1985
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Takeda Chemical Industries, Ltd.
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Hiroshi Nishino
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas deodorization method
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Patent number 4,427,630
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Issue date Jan 24, 1984
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Takeda Chemical Industries, Ltd.
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Toshio Aibe
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Deodorization method
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Patent number 4,256,728
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Issue date Mar 17, 1981
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Takeda Chemical Industries, Ltd.
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Hiroshi Nishino
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Removal of nitrogen oxides
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Patent number 4,210,628
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Issue date Jul 1, 1980
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Takeda Chemical Industries, Ltd.
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Nobutaka Ninomiya
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C01 - INORGANIC CHEMISTRY