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
CA676864A
Inventor
T. Carstensen Jens
J. Vance John
Zbinden Gerhard
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
Publication date
Application grantedgrantedCritical
Publication of CA676864ApublicationCriticalpatent/CA676864A/en