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 T & R Chemicals IncfiledCriticalT & R Chemicals Inc
Priority claimed from EP19820200091external-prioritypatent/EP0055702B1/de
Application grantedgrantedCritical
Publication of ATE26401T1publicationCriticalpatent/ATE26401T1/de