Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from US06/549,746external-prioritypatent/US4512780A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN217/DEL/85ApriorityCriticalpatent/IN163055B/en
Publication of IN163055BpublicationCriticalpatent/IN163055B/en