公开(公告)号：CA2394764A1

公开(公告)日：2001-07-05

申请号：CA2394764

申请日：2000-12-12

Applicant: BASF AG

Inventor： MORSBACH BERND ,  DISTELDORF WALTER ,  BREITSCHEIDEL BORIS ,  HALLER CHRISTIANE ,  HOLZMANN JURGEN

IPC: C08G63/16 ,  C08G63/20 ,  C08K5/11 ,  C08L27/06 ,  C08L67/02

Abstract: The invention relates to polyesters that are appropriate as softeners and th at are obtainable by reacting aliphatic dicarboxylic acids, neopentylglycol, at least one further diol and a nonanol mixture. Said nonanol mixture substantially consists of 1-nonanol, monomethyl octanols, dimethyl heptanols and monoethyl heptanols. The invention further relates to the nonanol mixtur e and to the use of the inventive polyesters as softeners.

公开(公告)号：BR9714044A

公开(公告)日：2000-05-09

申请号：BR9714044

申请日：1997-12-17

Applicant: BASF AG ,  DAIMLER BENZ AG

Inventor： FETZER THOMAS ,  MORSBACH BERND ,  KUMBERGER OTTO ,  HARTWEG MARTIN ,  ROITZHEIM ROLF-DIRC ,  SEIBOLD ANDREA ,  WALZ LEONHARD

IPC: B01D53/94 ,  B01J23/00 ,  B01J23/89 ,  F01N3/10

Abstract: PCT No. PCT/EP97/07091 Sec. 371 Date Jun. 16, 1999 Sec. 102(e) Date Jun. 16, 1999 PCT Filed Dec. 17, 1997 PCT Pub. No. WO98/26858 PCT Pub. Date Jun. 25, 1998A process for the catalytic reduction of NOx, the reduction taking place in the presence of a catalyst which comprises (a) from 20 to 97 wt % of A2O3, (b) from 1 to 40 wt % of CuO, (c) from 1 to 50 wt % of ZnO, (d) from 1 to 40 wt % of Ag, (e) from 0 to 2 wt % of Pt, (f) from 0 to 20 wt % of oxides of rare earth metals, elements of the 3rd subgroup of the Periodic Table of the Elements or mixtures thereof, based on the total weight of the components (a) to (e), which adds up to 100 wt %, wherein, in each case, up to half the weight of the component (a) may be replaced by Fe2O3, Cr2O3, Ga2O3 or mixtures thereof, of the component (b) by CoO, of the component (c) by MgO, of the component (d) by Au and of the component (e) by Pd, Ru, Os, Ir, Rh, Re or mixtures thereof, is used for reducing NOx, especially in combustion off-gases, the components (a), (b) and (c) forming a spinel which is doped with the components (d), (e) and (f).

公开(公告)号：CZ9902243A3

公开(公告)日：2000-02-16

申请号：CZ224399

申请日：1997-12-17

Applicant: BASF AG ,  DAIMLER BENZ AG

Inventor： FETZER THOMAS DR ,  MORSBACH BERND ,  KUMBERGER OTTO DR ,  HARTWEG MARTIN DR ,  ROITZHEIM ROLF-DIRC DR ,  SEIBOLD ANDREA ,  WALZ LEONHARD DR

IPC: B01D53/94 ,  B01J23/00

公开(公告)号：AU2846197A

公开(公告)日：1997-07-03

申请号：AU2846197

申请日：1996-12-11

Applicant: BASF AG ,  DAIMLER BENZ AG

Inventor： FETZER THOMAS ,  MORSBACH BERND ,  HARTWEG MARTIN ,  ROITZHEIM RALF-DIRC ,  SEIBOLD ANDREA ,  WALZ LEONHARD

IPC: B01D53/94 ,  B01J23/00 ,  B01J23/80 ,  B01D53/86

Abstract: PCT No. PCT/EP96/05532 Sec. 371 Date Jun. 2, 1998 Sec. 102(e) Date Jun. 2, 1998 PCT Filed Dec. 11, 1996 PCT Pub. No. WO97/21482 PCT Pub. Date Jun. 19, 1997NOx, where x is 1 and 2, in exhaust gases is reduced over heterogeneous catalysts with hydrocarbons, carbon monoxide, hydrogen or mixtures thereof in the presence of oxygen from 100 to 650 DEG C. and an absolute pressure of from 0.5 to 50 bar by a process in which the heterogeneous catalysts used are bimodal or polymodal compounds of the general formula IA1-xM2O4(I),which, if required, are doped with rare earth metals, noble metal, titanium, vanadium, molybdenum, tungsten or mixtures thereof, and where A is magnesium, calcium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, tin or mixtures thereof, M is aluminum, gallium, indium, tin, chromium, manganese, iron, cobalt, nickel, copper, zinc or mixtures thereof and x is from 0 to 0.99, whose oxygen atoms are in a cubic close packed arrangement and A is present in the tetrahedral sites and M in the octahedral sites, it also being possible for A to occupy octahedral sites if an equivalent amount of M occupies tetrahedral sites.

公开(公告)号：DE59301999D1

公开(公告)日：1996-05-02

申请号：DE59301999

申请日：1993-01-27

Applicant: DAIMLER BENZ AG ,  BASF AG

Inventor： MORSBACH BERND ,  DAUDEL HELMUT ,  GAERTNER UWE

IPC: B01D53/30 ,  B01D53/56 ,  B01D53/94 ,  F01N3/20 ,  F02B3/06

Abstract: Process for the selective catalytic reduction of nitrogen oxides from exhaust gases, preferably from exhausts gases of motor vehicle diesel engines, with timed superstoichiometric addition of NH3 or NH3-releasing substances, the timed superstoichiometric NH3 addition being controlled in such a manner that the addition, after its start, is only interrupted when the NH3 quantity stored in the catalyst has reached a defined preset upper threshold value, corresponding to the catalyst properties and the catalyst volume, the stored NH3 quantity being calculated from the difference between the metered NH3 amount and the released NOx amount, determined from the NOx concentration in the exhaust gas and the mean release rate, and the NH3 feed being only restarted when the NH3 amount stored in the catalyst, determined in the same way, has reached a preset lower threshold value, this timed NH3 feed being terminated after a predetermined number of cycles until the NH3 amount stored in the catalyst, determined in the manner described, is completely reacted to exhaustion, with which a complete cycle of the timed NH3 feed is concluded.

公开(公告)号：AT125465T

公开(公告)日：1995-08-15

申请号：AT92107010

申请日：1992-04-24

Applicant: BASF AG

Inventor： HESS KLAUS DR ,  MORSBACH BERND ,  DREWS RONALD DR ,  BUECHELE WOLFGANG DR ,  SCHACHNER HELMUT DR

IPC: B01D53/86 ,  B01D53/94 ,  B01J27/053

Abstract: Catalyst containing metallic oxides, which in addition to oxides of titanium and/or zirconium, oxides of vanadium and/or niobium and oxides of molybdenum, tungsten and/or chromium, also contains sulphates of the alkaline earth metals, and which is used in a process for the oxidative breakdown of organic compounds in the waste gases from incinerator plants.