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 IN1041/CAL/88Aexternal-prioritypatent/IN171379B/en
Application filed by Engelhard CorpfiledCriticalEngelhard Corp
Priority to IN328CA1992priorityCriticalpatent/IN177327B/en
Publication of IN177327BpublicationCriticalpatent/IN177327B/en