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DD156778A1
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Method and device for continuously coating flexible film carriages
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DD156811A1
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Method for temperating tetrahydrofurane
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DD156775A1
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Method for selectivitizing the additional solvents in extractive distillation
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DD152722A1
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Process for tetrahydrofuran recovery from mixtures with methanol
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DD152332A1
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Method of obtaining pure butandiol from polyester bruedes
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DD150696A2
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Method for processing tetrahydrofuranous brussels condensate
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DD148764A1
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Method for acetone separation from azeotropic mixtures with hydrocarbons
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DD146792A1
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Process for obtaining pure tetrahydrofurane
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DD146610A1
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Process for preparing post-condensed polyalkylenepephthalates
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DD146453A1
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Method for processing synthesemethanol
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DD143783A1
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Method for the chemical modification of olefin polymerises and copolymerises
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DD143731A1
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Method of separating polybutylenepephthalate burbs from inert gases
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DD148781A1
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Process for increasing the molecular weight of polycondensates
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DD142298A1
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Method for separating tetrahydrofuranous mixtures
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DD142183A1
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Method for separating water, methanol and chloromethanes
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DD141822A1
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Process for methanol separation from mixtures using hoehersieden azeotropbildnern
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DD137188A1
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Process for recovering tetrahydrofuran from technical mixtures
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DD136453A1
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Process for separating methanol and tetrahydrofurane
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DD134421A1
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Electrode toning for closed arc
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