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 GB848407301Aexternal-prioritypatent/GB8407301D0/en
Priority claimed from GB848410664Aexternal-prioritypatent/GB8410664D0/en
Priority claimed from GB848426995Aexternal-prioritypatent/GB8426995D0/en
Priority claimed from GB848431459Aexternal-prioritypatent/GB8431459D0/en
Application filed by Ici PlcfiledCriticalIci Plc
Priority claimed from EP85301205Aexternal-prioritypatent/EP0164817B1/en
Application grantedgrantedCritical
Publication of ATE60250T1publicationCriticalpatent/ATE60250T1/en