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Priority claimed from GB868613528Aexternal-prioritypatent/GB8613528D0/en
Priority claimed from NL8602775Aexternal-prioritypatent/NL8602775A/en
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP87201040Aexternal-prioritypatent/EP0249282B1/en
Application grantedgrantedCritical
Publication of ATE49019T1publicationCriticalpatent/ATE49019T1/en