公开(公告)号：CZ20031067A3

公开(公告)日：2003-11-12

申请号：CZ20031067

申请日：2001-10-13

Applicant: BASF AG

Inventor： DROHMANN CHRISTIAN ,  WITTELER HELMUT ,  SANNER AXEL ,  ZIEHL JURGEN ,  HAMM DE BANTLEON ELISA ,  PETSCH TOBIAS ,  MATHAUER KLEMENTS ,  LEBTIG BARBARA

IPC: A23L2/70 ,  B01D37/02 ,  B01D39/04 ,  B01D39/06 ,  B01D39/16 ,  B01J20/26 ,  C12C7/16

Abstract: The use of polystyrene-containing polymers as filter aids and/or stabilizers for the filtration or stabilization of aqueous liquids, and also novel particulate polymers which are insoluble in water and scarcely swellable are claimed.