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
CA855289A
Inventor
Taniguchi Isoji
Yasumura Tomohide
Yamadera Reizo
Kobayashi Yoshio
Tatsukami Yoshiharu
Maemoto Ken-Ichi
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.)
TOYO SPINNING CO
Sumitomo Chemical Co Ltd
Original Assignee
TOYO SPINNING CO
Sumitomo Chemical Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA855289ApublicationCriticalpatent/CA855289A/en