1
Hartweg Martin Dr, Heinau Martina, Seibold Andrea, Walz Leonhard Dr, Fetzer Thomas Dr, Morsbach Bernd, Buechele Wolfgang Dr: Process for the catalytic purification of exhaust gases. Daimler Benz, BASF, December 20, 1995: EP0687499-A1 (8 worldwide citation)

Die Erfindung betrifft einen Katalysator und ein Verfahren zur Herstellung des Katalysators. Zur katalytischen Reduktion von NOx und zur Oxidation von Kohlenwasserstoffen weist der Katalysator ein die Metalle Kupfer, Zink und Aluminium aufweisendes Spinell auf.


2
Hartweg Martin Dr, Roitzheim Rolf Dirc Dr, Seibold Andrea, Walz Leonhard Dr, Fetzer Thomas Dr, Morsbach Bernd: Process and device for catalytic gas purification. Daimler Benz, BASF, June 18, 1997: EP0779096-A1 (5 worldwide citation)

The operation of a purification apparatus for flowing gases comprises passing the gas stream through a filter body having a catalyst, a reducing agent being added to the gas before entering the catalyst. The flow direction (1) of the gas according to the treating stretch in the catalyst of the filte ...


3
Hartweg Martin, Seibold Andrea, Walz Leonhard, Fetzer Thomas, Morsbach Bernd: Spinel based catalyst, its preparation process and its use. Daimler Benz, BASF, June 18, 1997: EP0779093-A1 (5 worldwide citation)

The catalyst comprises a spinel consisting of copper, zinc and aluminium. The spinel of formula CaaZnbAlcO4 is mixed with palladium, platinum, rhodium, ruthenium, osmium, iridium or rhenium and/or rare earth such as lanthanum and cerium, vanadium, titanium, niobium, molybdenum, tungsten and/or their ...


4
Hartweg Martin, Roitzheim Rolf Dirc, Seibold Andrea, Walz Leonhard, Fetzer Thomas, Morsbach Bernd: Process and device for catalytic gas purification. Daimler Benz, BASF, June 18, 1997: EP0779095-A1 (4 worldwide citation)

The process for operating a purification apparatus for gases comprises passing the gas stream through a filter body containing a catalyst and catalytically converting the pollutants. At low temperature, especially below 200 degrees C, more especially below 150 degrees C, hydrocarbons are stored in t ...


5
Boegner Walter, Roitzheim Rolf Dirc Dr, Hartweg Martin Dr, Seibold Andrea, Fetzer Thomas Dr, Morsbach Bernd: Process and device for the catalytic gas purification. Daimler Benz, BASF, August 27, 1997: EP0791390-A1 (3 worldwide citation)

In the purification of gases, nitrogen oxides are removed by means of an intermediate reservoir (2) at least in zones at a temperature in the 50-300 degrees C range, released to the gas to be treated at temperatures > 100 degrees C and then reduced catalytically. Also claimed is the apparatus used. ...


6
Hartweg Martin Dr, Seibold Andrea, Walz Leonhard Dr, Fetzer Thomas Dr, Morsbach Bernd: Spinel based catalyst, its preparation and its use. Daimler Benz, BASF, June 18, 1997: EP0779094-A2 (3 worldwide citation)

The catalyst consists of a magnesium oxide-copper oxide-aluminium oxide spinel of formula MgaCubAlcO4; where a + b + c 0, b > 0 and c > 0, to catalytically reduce nitrogen oxide in exhaust gases of internal combustion engines and/or combustion power stations. Also claimed is the spinel of formula Cu ...


7
Schroeder Juergen Dr, Fetzer Thomas Dr, Rieker Christopher William Dr, Ebel Klaus Dr: Method for preparing unsaturated cyclic ethers. BASF, March 12, 1997: EP0761662-A1 (1 worldwide citation)

- In the prepn. of unsatd. cyclic ethers of formula (I) from diols of formula (II) in the presence of a supported catalyst contg. Co, the catalyst contains (a) Co and (b) noble metal(s) selected from Pt, Pd, Rh, Ir, Ru, Os and Re in (0.5-70000):1 atomic ratio on an inert support and opt. (c) basic a ...


8
Fetzer Thomas, Wagner Eckhart, Roeth Emil, Ruppel Wilhelm, Wistuba Hermann: Removal of nitrogen oxides from a gas stream containing same. BASF, February 21, 2001: TW422729 (1 worldwide citation)

The invention relates to a process for removing nitrogen oxides from a gas stream containing same, which comprises passing the gas stream (A) through a stage for absorbing the nitrogen oxides other than N2O in an absorbent or reacting the nitrogen oxides other than N2O with an absorbent at a pressur ...


9
Fetzer Thomas, Buechele Wolfgang, Irgang Matthias, Otto Bernhard, Wistuba Hermann, Buerger Gert: Catalyseurs avec disperstion du principe actif en fines particules, Catalysts with fine-particle dispersion of the active component. Basf Aktiengesellschaft, Basf Aktiengesellschaft, ROBIC, August 4, 1994: CA2152815 (1 worldwide citation)

Catalysts are produced by combining M-A12O4, in which M stands for an element of the I, VII and VII secondary groups of theperiodic table of elements, with tin, lead, an element of the II main or secondary group of the periodic table of elements, as an oxide or saltor in its elementary form, and by ...


10
Schumacher Volker, Burger Gert, Fetzer Thomas, Baier Michael, Hesse Michael: Procede pour la decomposition catalytique de n2o, Method for the catalytic decomposition of n2o. Basf Aktiengesellschaft, Basf Aktiengesellschaft, ROBIC, November 4, 1999: CA2329871 (1 worldwide citation)

In the reactor for the catalytic oxidation of ammonia into nitrogen oxides, which in the direction of flow contains, in this order, a precious-metal gauze catalyst and a heat exchanger, a catalyst for the decomposition of N20 is positioned between the precious-metal gauze catalyst and the heat excha ...