IP Library Granted Patent US 4,971,963
Granted Patent Utility
US 4,971,963 · App. 07/323,915

Cephem compounds, and use

Inventors: Michiyuki Sendai, Shoji Kishimoto
Patented Case View Patent ↗
Granted: Nov 20, 1990 Filed: Mar 15, 1989
Inventors
Michiyuki Sendai
Shoji Kishimoto
Assignee (at issue)
Takeda Chemical Industries Ltd.

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Quick Facts
Patent No.
US 4,971,963
App. No.
07/323,915
Filed
1989-03-15
Granted
1990-11-20
Kind
A