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.)
Expired
Application number
CA856285A
Inventor
Okuda Yukio
Kurata Naoji
Koike Hiroshi
Sawano Toshimi
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA856285ApublicationCriticalpatent/CA856285A/en