Inventor
GRUHL SIEGFRIED
DE4 patents
Patents
4 patentsUS5173466ADec 22, 1992
Catalyst for the reduction of nitrogen oxides from waste gases and a process for its production
BAYER AG9 citations70
US4992404AFeb 12, 1991
Carbon-based catalyst useful in gas-solid reactions
BAYER AG10 citations65
US4910005AMar 20, 1990
Process for the reduction of nitrogen oxides from exhaust gases
BAYER AG6 citations58
US3950183AApr 13, 1976
Production of annealed pigments
BAYER AG5 citations55