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Priority claimed from US07/921,791external-prioritypatent/US5247091A/en
Application filed by Hoechst Celanese CorpfiledCriticalHoechst Celanese Corp
Priority to FI964670ApriorityCriticalpatent/FI964670A/en
Publication of FI964670A0publicationCriticalpatent/FI964670A0/en
Publication of FI964670ApublicationCriticalpatent/FI964670A/en