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 IN758/MAS/89Aexternal-prioritypatent/IN170549B/en
Application filed by Himont IncfiledCriticalHimont Inc
Priority to IN530MA1991priorityCriticalpatent/IN173848B/en
Publication of IN173848BpublicationCriticalpatent/IN173848B/en