Extract from the Register of European Patents

EP Citations: EP0236939

Cited inSearch
Type:Patent literature
Publication No.:EP0142969  
 [ ] (SANKYO CO [JP]);
Type:Patent literature
Publication No.:EP0147852  
 [ ] (CIBA GEIGY AG [CH]);
Type:Patent literature
Publication No.:EP0165900  
 [ ] (CIBA GEIGY AG [CH])