Extract from the Register of European Patents

EP Citations: EP0176476

Cited inSearch
Type:Patent literature
Publication No.:FR2116538  [A]
 (BAYER AG);
Type:Patent literature
Publication No.:US4166100  [A]
 (ANDRUSHKEVICH MIKHAIL M [SU], et al);
Type:Patent literature
Publication No.:EP0025900  [A]
 (KALI CHEMIE AG [DE])