Patent EP0462009A1 successfully refreshed from Google Patents.
EP0462009A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Cephalosporins having in position 3 a propenyl radical substituted by a quaternary ammonium, their process for preparation, their use as medicaments, compositions containing them and intermediates
Assignee: Aventis Pharma SA
•
Filing: 1991-06-13
•
Granted: —
•
Expires: 2011-06-13
Abstract
Abstract The invention relates to the products of formula: <IMAGE> in which: R1 =, in particular, <IMAGE> or <IMAGE> Rb and Rc = H or acyl A and A' =, in particular H, alkali metal equivalent, aminated organic base, readily cleavable ester group, or CO2A represents CO2<(-)> to a process for their preparation, to their use as medicaments, to compositions containing them and to the new intermediates obtained.
Inventors
- 👤 Jozsef Aszodi
- 👤 Jean-François Chantot
- 👤 Solange Gouin D'ambrieres
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 13:33
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/14; C07D501/16; C07D501/20; C07D501/24; A; A61; A61P; A61P31/00; A61P31/04; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB2134522A
Cited
GB2157293A
Cited
WO1987003875A1
Cited
EP0266060A2
Cited
EP0264091A2
Cited
EP0315518A1
Cited
EP0333154A2
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.