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 Prod RochefiledCriticalProd Roche
Publication of BE519192ApublicationCriticalpatent/BE519192A/fr
Priority to BE646650ApriorityCriticalpatent/BE646650A/fr
Priority to NL6503727Aprioritypatent/NL6503727A/xx
Priority to GB15008/65Aprioritypatent/GB1087886A/en
Priority to US447717Aprioritypatent/US3385148A/en
Priority to DE19651477271prioritypatent/DE1477271A1/de