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
CA869571A
Inventor
Susuki Takamasa
Tomooka Takaho
Fujiwara Ryozoh
Tozuka Yasuaki
Nishida Hiroshi
Nishio Masao
Toda Minoru
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 CA869571ApublicationCriticalpatent/CA869571A/en