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.)
Nikka Chemical Industry Co Ltd
Chiyoda Corp
Original Assignee
Nikka Chemical Industry Co Ltd
Chiyoda Chemical Engineering and Construction Co Ltd
Chiyoda 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 Nikka Chemical Industry Co Ltd, Chiyoda Chemical Engineering and Construction Co Ltd, Chiyoda CorpfiledCriticalNikka Chemical Industry Co Ltd
Priority to JP59064273ApriorityCriticalpatent/JPS60206897A/ja
Publication of JPS60206897ApublicationCriticalpatent/JPS60206897A/ja
Publication of JPH0233078B2publicationCriticalpatent/JPH0233078B2/ja