公开(公告)号：DE4007768A1

公开(公告)日：1991-09-19

申请号：DE4007768

申请日：1990-03-12

Applicant: BASF AG

Inventor： POLKE REINHARD DR ,  STADLER REINHOLD DR ,  WARNKE KLAUS DR ,  SOLLIK KARL

IPC: B02C17/16

公开(公告)号：DE3825469A1

公开(公告)日：1990-02-01

申请号：DE3825469

申请日：1988-07-27

Applicant: BASF AG

Inventor： HOCH HELMUT DR ,  POLKE REINHARD DR ,  SCHOLZ NORBERT

IPC: B02C19/06 ,  B02C23/30

Abstract: Solids are dispersed, comminuted or deagglomerated and classified in a single piece of equipment, a classifier jet mill representing a combination of a jet mill and a spiral flow classifier.

公开(公告)号：ES2069136T3

公开(公告)日：1995-05-01

申请号：ES91112286

申请日：1991-07-23

Applicant: BASF AG

Inventor： ETTMUELLER JUERGEN ,  EUSTACHI WOLFGANG ,  HAGENOW ANDREAS ,  POLKE REINHARD DR ,  RAEDLE MATTHIAS DR ,  SCHAEFER MICHAEL DR

IPC: G01N15/14 ,  G01N21/25 ,  G01N21/53 ,  G01N21/85 ,  G02B6/28 ,  G02B6/36

公开(公告)号：DE4024420A1

公开(公告)日：1992-02-06

申请号：DE4024420

申请日：1990-08-01

Applicant: BASF AG

Inventor： ETTMUELLER JUERGEN ,  EUSTACHI WOLFGANG ,  HAGENOW ANDREAS ,  POLKE REINHARD DR ,  RAEDLE MATTHIAS DR ,  SCHAEFER MICHAEL DR

IPC: G01N15/14 ,  G01N21/25 ,  G01N21/53 ,  G01N21/85 ,  G02B6/28 ,  G02B6/36

公开(公告)号：DE59104856D1

公开(公告)日：1995-04-13

申请号：DE59104856

申请日：1991-07-23

Applicant: BASF AG

Inventor： ETTMUELLER JUERGEN ,  EUSTACHI WOLFGANG ,  HAGENOW ANDREAS ,  POLKE REINHARD DR ,  RAEDLE MATTHIAS DR ,  SCHAEFER MICHAEL DR

IPC: G01N15/14 ,  G01N21/25 ,  G01N21/53 ,  G01N21/85 ,  G02B6/28 ,  G02B6/36

公开(公告)号：AT119666T

公开(公告)日：1995-03-15

申请号：AT91112286

申请日：1991-07-23

Applicant: BASF AG

Inventor： ETTMUELLER JUERGEN ,  EUSTACHI WOLFGANG ,  HAGENOW ANDREAS ,  POLKE REINHARD DR ,  RAEDLE MATTHIAS DR ,  SCHAEFER MICHAEL DR

IPC: G01N15/14 ,  G01N21/25 ,  G01N21/53 ,  G01N21/85 ,  G02B6/28 ,  G02B6/36

公开(公告)号：DE3375849D1

公开(公告)日：1988-04-07

申请号：DE3375849

申请日：1983-04-28

Applicant: BASF AG

Inventor： MELZER MILENA ,  JAKUSCH HELMUT ,  GRAU WERNER DR ,  KOESTER EBERHARD DR ,  LOESER WERNER DR ,  POLKE REINHARD DR ,  SCHAEDEL GUENTER DR ,  OHLINGER MANFRED DR ,  VAETH GUENTER

IPC: G11B5/70 ,  C09D5/23 ,  G11B5/68 ,  G11B5/706 ,  G11B5/84 ,  H01F1/11 ,  H01F1/113 ,  H01F1/44

Abstract: A magnetic dispersion which can be applied to a non-magnetic base to produce a recording medium is prepared by dispersing a magnetically anisotropic material in a polymer binder and in an organic solvent by a method wherein the magnetically anisotropic material is worked in a jet mill before and/or during dispersing.