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
CA164,692A
Inventor
Max Hoffer
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US470917Aexternal-prioritypatent/US3341541A/en
Priority claimed from CA149217Aexternal-prioritypatent/CA930739A/en
Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Priority to CA164,692ApriorityCriticalpatent/CA974259A/en
Application grantedgrantedCritical
Publication of CA974259ApublicationCriticalpatent/CA974259A/en