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
CA895966A
Inventor
Taira Shin-Ichi
Kishimoto Kiyomi
Higuchi Akira
Yoshikawa Seiichi
Setsuda Tsutomu
Okazaki Kaoru
Nishimura Michio
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 CA895966ApublicationCriticalpatent/CA895966A/en