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 US07/280,119external-prioritypatent/US4959125A/en
Application filed by Procter & GamblefiledCriticalProcter & Gamble
Priority claimed from EP89305970Aexternal-prioritypatent/EP0347176B2/de
Application grantedgrantedCritical
Publication of ATE104005T1publicationCriticalpatent/ATE104005T1/de