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Priority claimed from GB848413529Aexternal-prioritypatent/GB8413529D0/en
Priority claimed from GB848413789Aexternal-prioritypatent/GB8413789D0/en
Application filed by Bp Chem Int LtdfiledCriticalBp Chem Int Ltd
Priority claimed from EP85303656Aexternal-prioritypatent/EP0170357B1/en
Application grantedgrantedCritical
Publication of ATE42319T1publicationCriticalpatent/ATE42319T1/en