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 IN349/CAL/83Aexternal-prioritypatent/IN158241B/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN1027/MAS/85ApriorityCriticalpatent/IN167041B/en
Publication of IN167041BpublicationCriticalpatent/IN167041B/en