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.)
Yamanouchi Pharmaceutical Co Ltd
Original Assignee
Yamanouchi Pharmaceutical Co Ltd
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 JP6477473Aexternal-prioritypatent/JPS5321582B2/ja
Priority claimed from JP49038545Aexternal-prioritypatent/JPS5953276B2/ja
Priority claimed from JP4188474Aexternal-prioritypatent/JPS50140480A/ja
Priority claimed from JP6312474Aexternal-prioritypatent/JPS50154282A/ja
Priority claimed from JP49116976Aexternal-prioritypatent/JPS5143785A/ja
Priority claimed from JP11963874Aexternal-prioritypatent/JPS5148686A/ja
Priority claimed from JP50013200Aexternal-prioritypatent/JPS5188988A/ja
Application filed by Yamanouchi Pharmaceutical Co LtdfiledCriticalYamanouchi Pharmaceutical Co Ltd
Application grantedgrantedCritical
Publication of CA1041483ApublicationCriticalpatent/CA1041483A/fr
Cephalosporin derivatives having at the 3-position of the cephem ring a heterocyclic thiomethyl group with a carboxy or sulfo group and at the 7-position of the cephem ring an α-heterocylic acylaminophenyl-acetamide group