Alkaline-alkali metal alginates and method of preparing same
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Activated carbon and method of producing the same
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Water purifying and softening apparatus
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Process for producing a carburizing material for hardening ferrous metals
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Process for producing activated carbon
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Water purifying apparatus
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Water purifying and softening apparatus
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Process for recovering phenols from waste waters and apparatus for use in carrying same into effect
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Adsorption and purifying agent and means for producing same
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Improvements relating to the distillation of crude oil, petroleum, or tars obtained from coal and shales
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Improvements relating to the distillation of crude oil petroleum or tars obtained from coal and shale
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Apparatus for use in decontaminating the oil contaminated condensate from the condensers of steam engines, and other oily waters
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A process for purifying water
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A process for recovering phenols from waste waters and apparatus for use in carrying same into effect
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Adsorption and purifying agent and means for producing same
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Process and apparatus for alkalising or deacidifying water by means of lime
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An improved process for the production of molecular compounds of the alkali metal, alkaline earth metal and magnesium salts of 2-phenyl-quinoline-4-carboxylic acid with 1-phenyl-2:3-dialkyl-5-pyrazolones or with 1-phenyl-2:3-dialkyl-4-dialkylamino-5-pyrazolones
