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 Dow Chemical CofiledCriticalDow Chemical Co
Priority to ZA816245ApriorityCriticalpatent/ZA816245B/en
Publication of ZA816245BpublicationCriticalpatent/ZA816245B/en