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.)
Taisei Corp
Kureha Corp
Original Assignee
Taisei Corp
Kureha Corp
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 Taisei Corp, Kureha CorpfiledCriticalTaisei Corp
Priority to JP7743285ApriorityCriticalpatent/JPS61236646A/ja
Publication of JPS61236646ApublicationCriticalpatent/JPS61236646A/ja
Publication of JPH0580423B2publicationCriticalpatent/JPH0580423B2/ja