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 DE19904003783external-prioritypatent/DE4003783C2/en
Priority claimed from DE19904003782external-prioritypatent/DE4003782C2/en
Application filed by Nattermann A & CiefiledCriticalNattermann A & Cie
Priority to SG15294ApriorityCriticalpatent/SG15294G/en
Publication of SG15294GpublicationCriticalpatent/SG15294G/en
Azacycloalkane derivatives, absorption promoters containing the derivatives as the effective ingredient and external preparations containing the absorption promoters