Extract from the Register of European Patents

EP Citations: EP0343475

Cited inSearch
Type:Patent literature
Publication No.:GB899009  [A]
 (ENGELHARD IND INC);
Type:Patent literature
Publication No.:US3884838  [A]
 (FLEMING DONALD KINGSLEY, et al);
Type:Patent literature
Publication No.:FR2371407  [A]
 (BAYER AG [DE])