-
公开(公告)号:DE3718299A1
公开(公告)日:1988-12-15
申请号:DE3718299
申请日:1987-05-30
Applicant: BASF AG
Inventor: MUELLER NORBERT DR , OHLINGER MANFRED DR , FESER RAINER DR , BOETTCHER BERNHARD DR , RUDOLF PETER DR , HUEBNER WERNER
IPC: C01G37/027 , G11B5/706 , H01F1/11 , C09C1/34
Abstract: This chromium dioxide is prepared by a finishing treatment of the surface of the chromium dioxide formed by a reductive treatment using adsorbed mono- or polybasic hydroxy carboxylic acids.
-
公开(公告)号:DE3610411A1
公开(公告)日:1987-10-01
申请号:DE3610411
申请日:1986-03-27
Applicant: BASF AG
Inventor: RUDOLF PETER DR , OHLINGER MANFRED DR , MUELLER NORBERT DR , HUEBNER WERNER
IPC: H01F1/11 , C01G37/027 , G11B5/706 , C01G37/033
-
公开(公告)号:DE3061463D1
公开(公告)日:1983-02-03
申请号:DE3061463
申请日:1980-02-04
Applicant: BASF AG
Inventor: STECK WERNER DR , RUDOLF PETER DR , HUEBNER WERNER , AUTZEN HORST DR , JAKUSCH HELMUT DR , SCHAEFER DIETER DR , VAETH GUENTER
-
-