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
CA896851A
Inventor
Okano Hiroshi
Nanri Shosuke
Masuda Ryunosuke
Matsuo Tatsuki
Fukuda Takashi
Ishitobi Katsuya
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.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA896851ApublicationCriticalpatent/CA896851A/en