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 GB878728960Aexternal-prioritypatent/GB8728960D0/en
Priority claimed from GB888821584Aexternal-prioritypatent/GB8821584D0/en
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP88202698Aexternal-prioritypatent/EP0320043B1/de
Application grantedgrantedCritical
Publication of ATE104307T1publicationCriticalpatent/ATE104307T1/de