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 to CS861963ApriorityCriticalpatent/CS257283B2/en
Priority to CS861967Aprioritypatent/CS257284B2/en
Publication of CS230084A2publicationCriticalpatent/CS230084A2/en
Publication of CS257260B2publicationCriticalpatent/CS257260B2/en