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
CA603582A
Inventor
Ikeda Osamu
Ohashi Sadao
Inutsuka Jun
Kuriyama Sutezo
Ikegami Yoshikata
Uchida Takashi
Yamashita Chiaki
Matsuo Kazuto
Korematsu Mikio
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.)
KOKOKU RAYON AND PULP CO
Original Assignee
KOKOKU RAYON AND PULP CO
Publication date
Application grantedgrantedCritical
Publication of CA603582ApublicationCriticalpatent/CA603582A/en