公开(公告)号：DE3516885A1

公开(公告)日：1986-11-13

申请号：DE3516885

申请日：1985-05-10

Applicant: BASF AG

Inventor： STECK WERNER ,  FESER RAINER ,  LOESER WERNER ,  RUDOLF PETER ,  VAETH GUENTER ,  JAKUSCH HELMUT ,  KOVACS JENOE

IPC: C01G49/00 ,  C01G49/06 ,  C09D5/23 ,  G11B5/706 ,  H01F1/11 ,  C01G49/02 ,  C01G51/00 ,  C08K3/22 ,  C09D7/12 ,  G11B5/84 ,  B05D5/12 ,  C04B35/26

Abstract: The preparation of acicular ferrimagnetic iron oxides which contain cobalt and phosphate ions and, if desired, further additives, and their use for manufacturing magnetic recording media.