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 Ecolab IncfiledCriticalEcolab Inc
Priority claimed from EP19890909286external-prioritypatent/EP0465461B1/de
Application grantedgrantedCritical
Publication of ATE97158T1publicationCriticalpatent/ATE97158T1/de