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 IN341DE1987priorityCriticalpatent/IN177231B/en
Priority to IN1005DE1989prioritypatent/IN176884B/en
Publication of IN177231BpublicationCriticalpatent/IN177231B/en