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 US05/486,631external-prioritypatent/US4093652A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN1399/CAL/76ApriorityCriticalpatent/IN142221B/en
Publication of IN142221BpublicationCriticalpatent/IN142221B/en
