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 IN648DE1987priorityCriticalpatent/IN175231B/en
Priority to IN927DE1990prioritypatent/IN175528B/en
Publication of IN175231BpublicationCriticalpatent/IN175231B/en