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
CA590274A
Inventor
Tomonari Tsukumo
Osugi Tetsuro
Tanabe Kenichi
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.)
Kurashiki Rayon Co Ltd
Original Assignee
Kurashiki Rayon Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA590274ApublicationCriticalpatent/CA590274A/en