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.)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 CA121,419Aexternal-prioritypatent/CA947016A/en
Application filed by Western Electric Co IncfiledCriticalWestern Electric Co Inc
Priority to CA162985ApriorityCriticalpatent/CA938415A/en
Application grantedgrantedCritical
Publication of CA938415ApublicationCriticalpatent/CA938415A/en
Method for the production of 7-chloro-2-methyl-amino-5-phenyl-5h-1,4-benzodiazepine-4-oxide, and 7-chloro-2-methylamino-5-phenyl-3h-1,4-benzodiazepine-4-oxide