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 US06/534,649external-prioritypatent/US4579885A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN72/MAS/84ApriorityCriticalpatent/IN159526B/en
Publication of IN159526BpublicationCriticalpatent/IN159526B/en