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 US06/480,297external-prioritypatent/US4508842A/en
Priority claimed from NO841237Aexternal-prioritypatent/NO164661C/no
Publication of NO895269LpublicationCriticalpatent/NO895269L/no
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to NO895269ApriorityCriticalpatent/NO172288C/no
Publication of NO895269D0publicationCriticalpatent/NO895269D0/no
Publication of NO172288BpublicationCriticalpatent/NO172288B/no
Publication of NO172288CpublicationCriticalpatent/NO172288C/no