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 Lubrizol CorpfiledCriticalLubrizol Corp
Priority to IN935DE1992priorityCriticalpatent/IN185734B/en
Publication of IN185734BpublicationCriticalpatent/IN185734B/en