Beschreibung     Ansprüche  

DE19754064   [0004] 
EP1127895A   [0004] 
US4415124A   [0004] 
DE2458998   [0004] 
EP0370447A   [0004]  [0010] 
EP0954536A   [0005] 
DE19754064A   [0005] 
WO9831710A   [0005] 
EP0049815A   [0010] 
EP0348046A   [0010] 
EP0835881A   [0010] 
GB2262527A   [0010] 
DE19541945A   [0020] 
DE19543933A   [0020] 
EP0458328A   [0020] 
US5047086A   [0020] 

Ullmann's Encyclopedia of Industrial Chemistry   [0002] 
Ullmanns Enzyklopädie der technischen Chemie   [0020]