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 GB848418591Aexternal-prioritypatent/GB8418591D0/en
Application filed by Bp Chemcials LtdfiledCriticalBp Chemcials Ltd
Priority to IN296DE1988priorityCriticalpatent/IN175134B/en
Publication of IN175134BpublicationCriticalpatent/IN175134B/en