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Priority claimed from GB878728727Aexternal-prioritypatent/GB8728727D0/en
Priority claimed from EP88302262Aexternal-prioritypatent/EP0283252B1/en
Priority claimed from GB888819077Aexternal-prioritypatent/GB8819077D0/en
Application filed by Procter & GamblefiledCriticalProcter & Gamble
Priority claimed from EP19880311560external-prioritypatent/EP0320219B1/en
Application grantedgrantedCritical
Publication of ATE102244T1publicationCriticalpatent/ATE102244T1/en