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 PH41741Aexternal-prioritypatent/PH27460A/en
Application filed by Kumiai Chemical Industry Co, Ihara Chemical Ind CofiledCriticalKumiai Chemical Industry Co
Priority to PH45689ApriorityCriticalpatent/PH29996A/en
Publication of PH29996ApublicationCriticalpatent/PH29996A/en