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 GB929220505Aexternal-prioritypatent/GB9220505D0/en
Priority claimed from DE4236037Aexternal-prioritypatent/DE4236037A1/de
Application filed by Boehringer Ingelheim Int, Dmw Tech LtdfiledCriticalBoehringer Ingelheim Int
Application grantedgrantedCritical
Publication of TW235244BpublicationCriticalpatent/TW235244B/zh