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.)
Kureha Corp
Original Assignee
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 Kureha CorpfiledCriticalKureha Corp
Priority to JP59009876ApriorityCriticalpatent/JPS60152488A/ja
Priority to US06/692,104prioritypatent/US4684664A/en
Priority to DE19853501961prioritypatent/DE3501961A1/de
Priority to GB08501543Aprioritypatent/GB2153353B/en
Priority to FR8500856Aprioritypatent/FR2558468B1/fr
Publication of JPS60152488ApublicationCriticalpatent/JPS60152488A/ja
Publication of JPH0556355B2publicationCriticalpatent/JPH0556355B2/ja