-
公开(公告)号:DE58909109D1
公开(公告)日:1995-04-20
申请号:DE58909109
申请日:1989-10-27
Applicant: BASF AG
Inventor: MUELLER MICHAEL WOLFGANG DR , SCHWAB EKKEHARD DR , AUWETER HELMUT DR , FESER RAINER DR , LEHNERT RUDI DR , MUELLER NORBERT DR , OHLINGER MANFRED DR
Abstract: The invention relates to a highly coercive, acicular ferromagnetic material essentially consisting of chromium dioxide with iron, and to a process for its preparation by thermal decomposition of hydrated chromium(III) chromate under elevated pressure.
-
公开(公告)号:DE3837646A1
公开(公告)日:1990-05-10
申请号:DE3837646
申请日:1988-11-05
Applicant: BASF AG
Inventor: MUELLER MICHAEL WOLFGANG DR , SCHWAB EKKEHARD DR , AUWETER HELMUT DR , FESER RAINER DR , LEHNERT RUDI DR , MUELLER NORBERT DR , OHLINGER MANFRED DR
Abstract: The invention relates to a highly coercive, acicular ferromagnetic material essentially consisting of chromium dioxide with iron, and to a process for its preparation by thermal decomposition of hydrated chromium(III) chromate under elevated pressure.
-
公开(公告)号:DE3407291A1
公开(公告)日:1985-09-05
申请号:DE3407291
申请日:1984-02-29
Applicant: BASF AG
Inventor: BIFFAR WERNER DR , KARTTE KLAUS DR , LEHNERT RUDI DR , MROSS WOLF DIETER DR , STARKE KLAUS , SCHWARZMANN MATTHIAS DR
Abstract: The application relates to a process for the catalytic purification of nitrogen oxide-containing exhaust gases from diesel engines, in which ammonia is added to the exhaust gases and the gas mixture is passed over a non-noble metal catalyst which is, if appropriate, applied to a support.
-
公开(公告)号:DE3364466D1
公开(公告)日:1986-08-21
申请号:DE3364466
申请日:1983-03-04
Applicant: BASF AG
-
公开(公告)号:DE3407289A1
公开(公告)日:1985-09-05
申请号:DE3407289
申请日:1984-02-29
Applicant: BASF AG
Inventor: BIFFAR WERNER DR , KRATTE KLAUS DR , LEHNERT RUDI DR , MROSS WOLF DIETER DR , STARKE KLAUS , SCHWARZMANN MATTHIAS DR
Abstract: The application relates to a process for the catalytic purification of nitrogen oxide-containing exhaust gases from internal combustion engines, in which ammonia is added to the exhaust gases and the gas mixture is passed over a non-noble metal catalyst which may, if appropriate, be applied to a support.
-
-
-
-