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
CA891528A
Inventor
Ishii Keiichiro
Noguchi Teruhisa
Aoki Yoshiyasu
Kamimura Hideo
Sawaki Mikio
Sakimoto Reiji
Asada Mitsuo
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.)
NIPPON SODA KK
Original Assignee
NIPPON SODA KK
Publication date
Application grantedgrantedCritical
Publication of CA891528ApublicationCriticalpatent/CA891528A/en