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
CA847651A
Inventor
Hoshino Shohei
Yoneda Toshiyuki
Kawano Sizuo
Uezono Hidenobu
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 Dow Ltd
Original Assignee
Asahi Dow Ltd
Publication date
Application grantedgrantedCritical
Publication of CA847651ApublicationCriticalpatent/CA847651A/en