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

IPC: C01G37/027 ,  C09D5/23 ,  C09D7/12 ,  C01G49/00 ,  G11B5/706 ,  H01F1/11

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

IPC: C01G49/00 ,  C01G37/027 ,  C09D5/23 ,  C09D7/12 ,  G11B5/706 ,  H01F1/11

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

IPC: B01D53/94 ,  F02B3/06 ,  B01D53/36 ,  F01N3/20

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

Inventor： LEHNERT RUDI DR ,  MAROSI LASZLO DR ,  LEUTNER BERND DR ,  SCHLIMPER HANS-ULRICH DR ,  SCHWARZMANN MATTHIAS DR ,  STABENOW JOACHIM DR

IPC: C07C1/20 ,  C07C11/02

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

IPC: B01D53/94 ,  F02B1/04 ,  B01D53/36 ,  F01N3/20

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.