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 GB888815047Aexternal-prioritypatent/GB8815047D0/en
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP19880201751external-prioritypatent/EP0304130B1/en
Application grantedgrantedCritical
Publication of ATE69140T1publicationCriticalpatent/ATE69140T1/en