Martin Hartweg, Thomas Fetzer, Bernd Morsbach, Otto Kumberger: Storage catalyst. DaimlerChrysler, BASF Aktiengesellschaft, Crowell & Moring, May 28, 2002: US06395244 (21 worldwide citation)

A storage catalyst includes (1) a component that has a catalytic reducing action for nitrogen oxides at least in the presence of hydrocarbons, and (2) a component that stores NOx at least at temperatures of below 100° C. The catalytically active component is of the general chemical formula A

Thomas Fetzer, Eckhart Wagner, Emil Roth, Wilhelm Ruppel, Hermann Wistuba, Bernhard Otto, Volker Schumacher, Gert Burger: Method of removing nitrogen oxides from a gas flow. BASF Aktiengesellschaft, Keil & Weinkauf, May 2, 2000: US06056928 (19 worldwide citation)

The invention relates to a process for removing nitrogen oxides from a gas stream containing same, which comprises passing the gas stream

Walter Boegner, Rolf Dirc Roitzheim, Martin Hartweg, Andrea Seibold, Thomas Fetzer, Bernd Morsbach: Process and apparatus for cleaning a gas flow. DaimlerChrysler, Crowell & Moring, February 24, 2004: US06696389 (16 worldwide citation)

The invention relates to a method and a device for cleaning flowing gases. To reduce the total emissions, nitrogen oxides, especially NO and NOx, are extracted at least partially from the gas to be scrubbed, in the temperature range from 50 and 300° C., preferably between 50 and 150° C. To extract t ...


Thomas Fetzer, Wolfgang Buechele, Hermann Wistuba, Claus Witte, Gert Buerger, Guenter Herrmann: Catalytic decomposition of dinitrogen monoxide. BASF Aktiengesellschaft, Keil & Weinkauf, March 18, 1997: US05612009 (11 worldwide citation)

A supported silver-containing catalyst for the decomposition of dinitrogen monoxide as pure gas or in admixture with other gases and having an aluminum oxide support which has a specific surface area of from 26 to 350 m.sup.2 /g, and a process for the selective catalytic decomposition of dinitrogen ...

Volker Schumacher, Gert Bürger, Thomas Fetzer, Michael Baier, Michael Hesse: Method for the catalytic decomposition of N2O. BASF Aktiengesellschaft, Keil & Weinkauf, June 1, 2004: US06743404 (11 worldwide citation)

A reactor for the catalytic oxidation of ammonia to form nitrogen oxides which has a noble metal gauze catalyst and a heat exchanger in that order in the direction of flow, a catalyst for the decomposition of N

Thomas Fetzer, Bernd Morsbach, Martin Hartweg, Ralf Dirc Roitzheim, Andrea Seibold, Leonhard Walz: Process for reducing NO.sub.x from exhaust fumes. BASF Aktiengesellschaft, Keil & Weinkauf, November 28, 2000: US06153161 (10 worldwide citation)

NO.sub.x, 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.degree. C. and an absolute pressure of from 0.5 to 50 bar by a process in which the heterogeneous catalyst ...

Martin Hartweg, Andrea Seibold, Leonhard Walz, Thomas Fetzer, Bernd Morsbach: Catalyst and a method for its production and use of same. Daimler Benz Aktiengesellschaft, BASF Aktiengesellschaft, Evenson McKeown Edwards & Lenahan P L L C, October 12, 1999: US05965099 (10 worldwide citation)

A catalyst and a method for producing the catalyst, for catalytic reduction of NO.sub.x and oxidation of hydrocarbons, the catalyst comprises a zinc, copper and aluminum spinel to which, at least one element selected from palladium, platinum, rhodium, ruthenium, osmium, iridium, rhenium and/or rare ...