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 US06/696,840external-prioritypatent/US4623473A/en
Application filed by Lubrizol CorpfiledCriticalLubrizol Corp
Publication of NO863822D0publicationCriticalpatent/NO863822D0/no
Publication of NO863822LpublicationCriticalpatent/NO863822L/no
Publication of NO168536BpublicationCriticalpatent/NO168536B/no
Publication of NO168536CpublicationCriticalpatent/NO168536C/no