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
CA865205A
Inventor
Shimokawa Yoichi
Okazaki Kaoru
Maeda Taneo
Kato Koichi
Igawa Keisuke
Okagawa Chikatsu
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA865205ApublicationCriticalpatent/CA865205A/en