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Priority claimed from GB848411161Aexternal-prioritypatent/GB8411161D0/en
Priority claimed from GB848431873Aexternal-prioritypatent/GB8431873D0/en
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP85200647Aexternal-prioritypatent/EP0160342B2/en
Application grantedgrantedCritical
Publication of ATE49775T1publicationCriticalpatent/ATE49775T1/en