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
CA883659A
Inventor
Hagihara Shingo
Endo Tetsuhiko
Aoba Toshio
Morishita Shozo
Egami Katsusuke
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 CA883659ApublicationCriticalpatent/CA883659A/en