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.)
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Publication date
Application filed by Lubrizol CorpfiledCriticalLubrizol Corp
Priority to IN579DE1988priorityCriticalpatent/IN176002B/en
Priority to IN847DE1991prioritypatent/IN180570B/en
Publication of IN176002BpublicationCriticalpatent/IN176002B/en