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
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP89306108Aexternal-prioritypatent/EP0347237B1/en
Application grantedgrantedCritical
Publication of ATE104516T1publicationCriticalpatent/ATE104516T1/en