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
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. ...


4
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 ...


5
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 ...


6
Setzer Udo Dr, Otto Bernhard Dr, Bechtel Siegfried, Van Gelder Richard Dr, Fetzer Thomas Dr, Borgwart Joachim, Rauls Matthias Dr, Gahn Christoph: Reduction of incrustation during crystallisation processes. BASF, April 4, 2001: EP1088586-A1

A method for preventing crusting in reactors or crystallisers for solutions and suspensions involves exposure to ultrasound vibrations which are fed in from sonotrodes at about the level of the liquid or suspension in the vessel. A method for preventing the formation of a crust in reactors or crysta ...


7
Hartweg Martin Dr, Seibold Andrea, Walz Leonhard Dr, Fetzer Thomas Dr, Morsbach Bernd: Use of a spinel catalyst for the catalytic reduction of nitrogen oxides. Daimler Chrysler, BASF, May 9, 2001: EP1097743-A1

Use of a catalyst for reducing nitrogen oxides in exhaust gases from IC engines and/or combustion plants is new. The catalyst is a copper oxide-aluminum oxide spinel of formula: CuACuBA12O4 (where, A + B = 1 and A, B 0) impregnated with copper.


8
Hartweg Martin, Seibold Andrea, Walz Leonhard, Fetzer Thomas Dr, Morsbach Bernd: Catalyst and its manufacture and use thereof. Daimler Benz, BASF, July 8, 1997: JP1997-173847

PROBLEM TO BE SOLVED: To improve purifying effects of NOx in exhaust gas of internal combustion engine in a catalyst comprising spinel including copper, zinc, and aluminum by adding predetermined rare earth element or the like to specific copper oxide- zinc oxide-aluminum oxide spinel. SOLUTION: Thi ...


9
Hartweg Martin, Roitzheim Rolf Dirc Dr, Seibold Andrea, Walz Leonhard, Fetzer Thomas Dr, Morsbach Bernd: Operation of purification device, purification device therefor and its utilization. Daimler Benz, BASF, July 8, 1997: JP1997-173784

PROBLEM TO BE SOLVED: To reduce the discharge of harmful substances. SOLUTION: This operation of a purification device comprises allowing a gas stream to contact with a filter body 2 through which a fluid can be passed and which is formed from a catalyst, wherein a reducing agent is added to the gas ...


10
Boegner Walter, Roitzheim Rolf Dirc Dr, Hartweg Martin Dr, Seibold Andrea, Fetzer Thomas Dr, Morsbach Bernd: Purification of gas and apparatus therefor. Daimler Benz, BASF, February 3, 1998: JP1998-028842

PROBLEM TO BE SOLVED: To reduce the total ratio of a harmful substance, especially, nitrogen oxides in gas by supplying the gas at 200°C or lower if possible according to circumstances in the presence of water and/or steam. SOLUTION: At least part of nitrogen oxides, especially, NO and NOx are extra ...