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
CA883580A
Inventor
Tsuruta Motohiro
Kanzaki Nagamasa
Furukawa Yoshinobu
Ishibashi Matafumi
Yasuzuka Katsumi
Arimoto Heiji
Koshimo Akio
Kimura Hiroshiro
Hara Mitsumasa
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.)
Unitika Ltd
Original Assignee
Unitika Ltd
Publication date
Application grantedgrantedCritical
Publication of CA883580ApublicationCriticalpatent/CA883580A/en