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 JP2179874Aexternal-prioritypatent/JP2702591B2/en
Priority claimed from JP3046076Aexternal-prioritypatent/JP2971966B2/en
Priority claimed from KR1019910011575Aexternal-prioritypatent/KR100208312B1/en
Application filed by Kanegafuchi Chemical IndfiledCriticalKanegafuchi Chemical Ind
Application grantedgrantedCritical
Publication of KR100214735B1publicationCriticalpatent/KR100214735B1/en