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
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority claimed from EP80107069Aexternal-prioritypatent/EP0031434B1/de
Application grantedgrantedCritical
Publication of ATE11924T1publicationCriticalpatent/ATE11924T1/de