1
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 ...


2
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. ...


3
Borchers Ingo Dr, Hartweg Martin Dr, Michel Josef Dr, Roitzheim Rolf Dirc Dr, Tomaschko Silvia Dr, Wang Ping Dr, Schnur Juergen: Element with vibration-damping properties, material and method of manufacture. Daimler Chrysler, August 7, 2002: EP1229514-A2

The building element (3) with vibration damping properties comprises a matrix polymer (6) and embedded piezo particles (1) which in a hardened state of the matrix polymer have a nonzero polarization. Independent claims are also included for a mixture and a method for producing such a building elemen ...


4
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 ...


5
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 ...


6
Hartweg Martin Dr, Roitzheim Rolf Dirc Dr, Seibold Andrea, Walz Leonhard, Fetzer Thomas Dr, Morsbach Bernd: Operation of purifying device for gas and device for purifying gas. Daimler Benz, BASF, September 2, 1997: JP1997-225267

PROBLEM TO BE SOLVED: To improve the purifying ability of a harmful substance at an initial stage in the operation of a purifying device for a gas of a gasoline engine operated in stoichionetry, especially for an exhaust gas. SOLUTION: At the time of converting the harmful substance with a catalyst ...