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 Ciba GeigyfiledCriticalCiba Geigy
Priority to BE575545ApriorityCriticalpatent/BE575545A/en
Publication of BE575545ApublicationCriticalpatent/BE575545A/en