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 IN1112/DEL/86Aexternal-prioritypatent/IN169508B/en
Application filed by Lubrizol CorpfiledCriticalLubrizol Corp
Priority to IN811DE1989priorityCriticalpatent/IN176245B/en
Publication of IN176245BpublicationCriticalpatent/IN176245B/en
