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 US06/576,304external-prioritypatent/US4487915A/en
Publication of NO884552LpublicationCriticalpatent/NO884552L/en
Application filed by Dow Chemical CofiledCriticalDow Chemical Co
Priority to NO1988884552ApriorityCriticalpatent/NO884552D0/en
Publication of NO884552D0publicationCriticalpatent/NO884552D0/en