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
CA877938A
Inventor
Miyauchi Ken
Sato Yoshio
Michiki Hideyuki
Fujimoto Kaoru
Okamoto Sadao
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Publication date
Application grantedgrantedCritical
Publication of CA877938ApublicationCriticalpatent/CA877938A/en