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
CA909193A
Inventor
Sato Masaki
Miyata Tadashi
Sonoda Takeshi
Hashiguchi Takeshi
Inoue Takehisa
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA909193ApublicationCriticalpatent/CA909193A/en