Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nisso Petrochemical Ind Co Ltd
Daiichi Kagaku Yakuhin Co Ltd
Sekisui Medical Co Ltd
Original Assignee
Nisso Petrochemical Ind Co Ltd
Daiichi Kagaku Yakuhin Co Ltd
Daiichi Pure Chemicals Co Ltd
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
Application filed by Nisso Petrochemical Ind Co Ltd, Daiichi Kagaku Yakuhin Co Ltd, Daiichi Pure Chemicals Co LtdfiledCriticalNisso Petrochemical Ind Co Ltd
Priority to JP18705482ApriorityCriticalpatent/JPS5976028A/ja
Publication of JPS5976028ApublicationCriticalpatent/JPS5976028A/ja
Publication of JPH0251409B2publicationCriticalpatent/JPH0251409B2/ja