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 IN757/MAS/87Aexternal-prioritypatent/IN170272B/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to IN762MA1990priorityCriticalpatent/IN173165B/en
Publication of IN173165BpublicationCriticalpatent/IN173165B/en