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 Ind Quimica De Almeida F LtdfiledCriticalInd Quimica De Almeida F Ltd
Priority to BR7505453DpriorityCriticalpatent/BR7504260A/en
Publication of BR7504260ApublicationCriticalpatent/BR7504260A/en