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Extract from the Register of European Patents

EP Citations: EP0940381

Cited inSearch
Type:Patent literature
Publication No.:DE1643947  [A]
 (ERDOELCHEMIE GMBH) [A] 1,4,5;
Type:Patent literature
Publication No.:DE2256384  [XA]
 (ERDOELCHEMIE GMBH, et al) [X] 1,4,5 * page 9 - page 10; figure 1; examples 1-3 * * page 9 - page 10; figure 1; examples 1-3 * [A] 2,3;
Type:Patent literature
Publication No.:EP0799881  [AD]
 (BASF AG [DE])[AD] 1-5