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
CA841069A
Inventor
Inoue Takayuki
Kato Kichiro
Toyama Teruhiko
Takagi Mitsunori
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 CA841069ApublicationCriticalpatent/CA841069A/en