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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to JP7513883ApriorityCriticalpatent/JPS59199658A/ja
Publication of JPS59199658ApublicationCriticalpatent/JPS59199658A/ja
Publication of JPH0446261B2publicationCriticalpatent/JPH0446261B2/ja
The Role of Mercury Salts in the Catalytic Transformation of Acetylene Into Acetalydehyde, and a New Commercial Process for the Manufacture of Paraldehyde.
Process for the preparation of high purity trimellitic anhydride from trimellitic acid by the chemical reduction of nitro-compound impurities prior to dehydration and distillation