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
CA857098A
Inventor
Tanaka Masao
Ono Tomoyoshi
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.)
TAIKO CO
Japan Monopoly Corp
Nikken Chemicals Co Ltd
Original Assignee
TAIKO CO
Japan Monopoly Corp
Nikken Chemicals Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA857098ApublicationCriticalpatent/CA857098A/en