Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB888829831Aexternal-prioritypatent/GB8829831D0/en
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP19890203191external-prioritypatent/EP0378876B1/de
Application grantedgrantedCritical
Publication of ATE85877T1publicationCriticalpatent/ATE85877T1/de