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Priority claimed from GB868628440Aexternal-prioritypatent/GB8628440D0/en
Priority claimed from NL8700134Aexternal-prioritypatent/NL8700134A/nl
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP19870202247external-prioritypatent/EP0273475B1/de
Application grantedgrantedCritical
Publication of ATE72943T1publicationCriticalpatent/ATE72943T1/de