Process for preparing an additive of phosphoric acid alkoxy-alkyl-ester type for the modification of deposition
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Galvanic anode systems for corrosion preventing of steel structures laid into soil
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Anticorrosive composition
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Anti-corrosive wash removable with water,first of all foor cleaning impure surface of metals
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Process for producing chloromethyl-phosphonic acid di chloride
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Anticorrosive compositions for metals
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Bitumen-containing, anti-corrosive composition for protection of metal surfaces
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Liquid level controlling device
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Process for pre-treating used lubricating oils
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Process for Producing Catalysts and Catalyst Carriers.
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Process for the dehydration of organic liquids
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Process for preparing catalysts
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Hydrogenation of asphaltic hydrocarbonaceous oils
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Process for the treatment of asphalt containing mineral oils and other asphalt containing hydrocarbon-aceous materials to produce light and middle oils