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.)
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Publication date
Priority claimed from US06/480,297external-prioritypatent/US4508842A/en
Priority claimed from NO841237Aexternal-prioritypatent/NO164661C/en
Publication of NO895269LpublicationCriticalpatent/NO895269L/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority to NO895269ApriorityCriticalpatent/NO172288C/en
Publication of NO895269D0publicationCriticalpatent/NO895269D0/en
Publication of NO172288BpublicationCriticalpatent/NO172288B/en
Publication of NO172288CpublicationCriticalpatent/NO172288C/en