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Home › Polyethers obtainable by reacting alkylolated bis-(4-hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers

Polyethers obtainable by reacting alkylolated bis-(4-hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers

US Patent 4814394 · Granted Mar 21, 1989

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