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 Hartick Chemicals Ltd A CfiledCriticalHartick Chemicals Ltd A C
Priority to ZA00767037ApriorityCriticalpatent/ZA767037B/xx
Publication of ZA767037BpublicationCriticalpatent/ZA767037B/xx