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
CA801040A
Inventor
Bretschneider Hermann
Hohenlohe-Oehringen Kraft
Rhomberg Alfred
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 CA801040ApublicationCriticalpatent/CA801040A/en