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
CA849585A
Inventor
Murai Korenori
Saotome Kenji
Sato Shigaetake
Fukuda Kiyo
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.)
Bridgestone Corp
Mitsui Toatsu Chemicals Inc
Original Assignee
Bridgestone Corp
Mitsui Toatsu Chemicals Inc
Publication date
Application grantedgrantedCritical
Publication of CA849585ApublicationCriticalpatent/CA849585A/en