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 IN1014DE1987priorityCriticalpatent/IN180311B/en
Priority to IN7DE1991prioritypatent/IN180729B/en
Publication of IN180311BpublicationCriticalpatent/IN180311B/en