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
Priority claimed from DE4014986Aexternal-prioritypatent/DE4014986A1/de
Priority claimed from DE19904033425external-prioritypatent/DE4033425A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Publication of MX9203410ApublicationCriticalpatent/MX9203410A/es