Extract from the Register of European Patents

EP Citations: EP0180529

Cited inSearch
Type:Patent literature
Publication No.:FR2018562  [AD]
 (CANADIAN IND);
Type:Patent literature
Publication No.:FR2322235  [A]
 (DEGUSSA [DE]);
Type:Patent literature
Publication No.:US4402788  [A]
 (PAULOSE GEORGE [US], et al)