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 US06/609,727external-prioritypatent/US4600789A/en
Priority claimed from US06/725,437external-prioritypatent/US4623738A/en
Priority claimed from IN389/DEL/85Aexternal-prioritypatent/IN170651B/en
Application filed by Kenrich PetrochemicalsfiledCriticalKenrich Petrochemicals
Priority to IN1123/DEL/87ApriorityCriticalpatent/IN170585B/en
Publication of IN170585BpublicationCriticalpatent/IN170585B/en