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
CA905604A
Inventor
Kamiya Nobuyuki
Shinohara Takashi
Funada Kiyotaka
Imai Hiroko
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.)
Nihon Kagaku Kizai KK
Original Assignee
Nihon Kagaku Kizai KK
Publication date
Application grantedgrantedCritical
Publication of CA905604ApublicationCriticalpatent/CA905604A/en