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Priority claimed from GB858501522Aexternal-prioritypatent/GB8501522D0/en
Priority claimed from GB858501523Aexternal-prioritypatent/GB8501523D0/en
Priority claimed from GB858501524Aexternal-prioritypatent/GB8501524D0/en
Application filed by Ici America IncfiledCriticalIci America Inc
Priority claimed from EP86300379Aexternal-prioritypatent/EP0189305B1/de
Application grantedgrantedCritical
Publication of ATE78829T1publicationCriticalpatent/ATE78829T1/de