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.)
Filing date
Publication date
Priority claimed from US06/219,877external-prioritypatent/US4379758A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN451/MAS/84ApriorityCriticalpatent/IN160793B/en
Publication of IN160793BpublicationCriticalpatent/IN160793B/en