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 IT8822151Aexternal-prioritypatent/IT1227259B/it
Application filed by Himont IncfiledCriticalHimont Inc
Priority to IN790CA1989priorityCriticalpatent/IN173047B/en
Publication of IN173047BpublicationCriticalpatent/IN173047B/en