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.)
Asahi Kasei Corp
Okabe Co Ltd
Original Assignee
Okabe Co Ltd
Asahi Kasei Kogyo KK
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 Okabe Co Ltd, Asahi Kasei Kogyo KKfiledCriticalOkabe Co Ltd
Priority to JP11224484ApriorityCriticalpatent/JPS60258344A/ja
Publication of JPS60258344ApublicationCriticalpatent/JPS60258344A/ja
Publication of JPH0522778B2publicationCriticalpatent/JPH0522778B2/ja