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
Application filed by Tropix IncfiledCriticalTropix Inc
Priority claimed from EP87902259Aexternal-prioritypatent/EP0275260B1/en
Priority claimed from CA000604507Aexternal-prioritypatent/CA1340590C/en
Application grantedgrantedCritical
Publication of ATE97488T1publicationCriticalpatent/ATE97488T1/en