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 IN75DE1988priorityCriticalpatent/IN177173B/en
Priority to IN148DE1991prioritypatent/IN177179B/en
Publication of IN177173BpublicationCriticalpatent/IN177173B/en