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 US07/015,984external-prioritypatent/US4732045A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN132DE1988priorityCriticalpatent/IN172311B/en
Publication of IN172311BpublicationCriticalpatent/IN172311B/en