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.)
SANYU ENG KK
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
SANYU ENG KK
Asahi Chemical Industry 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 SANYU ENG KK, Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KKfiledCriticalSANYU ENG KK
Priority to JP9332075ApriorityCriticalpatent/JPS5811839B2/en
Publication of JPS5218884ApublicationCriticalpatent/JPS5218884A/en
Publication of JPS5811839B2publicationCriticalpatent/JPS5811839B2/en