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 DE19863613083external-prioritypatent/DE3613083A1/de
Application filed by Huels Chemische Werke AgfiledCriticalHuels Chemische Werke Ag
Application grantedgrantedCritical
Publication of ATE61612T1publicationCriticalpatent/ATE61612T1/de