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
CA830977A
Inventor
Furukawa Junji
Nakaniwa Mikio
Kanbara Saburo
Kawabata Nariyoshi
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.)
Maruzen Petrochemical Co Ltd
Toyo Tire Corp
Original Assignee
Maruzen Petrochemical Co Ltd
Toyo Tire and Rubber Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA830977ApublicationCriticalpatent/CA830977A/en