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
CA961281A
Inventor
Miyake Akihisa
Iwamoto Masao
Hata Go
Yuguchi Sadao
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toray Industries IncfiledCriticalToray Industries Inc
Application grantedgrantedCritical
Publication of CA923147ApublicationCriticalpatent/CA923147A/en