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
Priority claimed from IN517/CAL/88Aexternal-prioritypatent/IN170253B/en
Application filed by Kuraray Co, Mitsui Toatsu ChemicalsfiledCriticalKuraray Co
Priority to IN971CA1990priorityCriticalpatent/IN172876B/en
Publication of IN172876BpublicationCriticalpatent/IN172876B/en