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 US06/903,797external-prioritypatent/US4716203A/en
Priority claimed from US06/903,801external-prioritypatent/US4882168A/en
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority claimed from EP87112279Aexternal-prioritypatent/EP0258780B1/de
Application grantedgrantedCritical
Publication of ATE90952T1publicationCriticalpatent/ATE90952T1/de