Inventor
FENNEMANN WOLFGANG
DE14 patents
Patents
14 patentsUS4548797AOct 22, 1985
Process of removing pollutants from exhaust gases
METALLGESELLSCHAFT AG55 citations95
US5116798AMay 26, 1992
Process for producing catalysts and impregnating solutions and catalysts produced by the process
METALLGESELLSCHAFT AG12 citations73
US4851202AJul 25, 1989
Process for the simultaneous removal of nitrogen oxides and sulfur dioxide from an oxygen-containing exhaust gas
METALLGESELLSCHAFT AG9 citations73
US4766104AAug 23, 1988
Process for producing a V2 O5 -and-alkali-metal-sulfate-containing catalyst for oxidizing SO2 to SO3
METALLGESELLSCHAFT AG10 citations73
US4680281AJul 14, 1987
Process of producing a V2 O5 -and-alkali-metal-sulfate-containing catalyst for oxidizing SO2 to SO3
METALLGESELLSCHAFT AG5 citations73
US5219543AJun 15, 1993
Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases
METALLGESELLSCHAFT AG12 citations71
US4842835AJun 27, 1989
Process of purifying flue gases
METALLGESELLSCHAFT AG11 citations69
US4330342AMay 18, 1982
Process for regenerating spent pickle liquid containing ZrF4
METALLGESELLSCHAFT AG15 citations66
US5437849AAug 1, 1995
Method of processing vanadium-containing residues
METALLGESELLSCHAFT AG2 citations62
US4399118AAug 16, 1983
Process of recovering anhydrous zirconium tetrafluoride
METALLGESELLSCHAFT AG4 citations62
US4431573AFeb 14, 1984
Method of producing an alkali sulfate catalyst V2 O5
METALLGESELLSCHAFT AG6 citations57
US4950139AAug 21, 1990
Process of catalytically reducing NO
METALLGESELLSCHAFT AG6 citations54
US4937054AJun 26, 1990
Method of regenerating ZrF4 pickling solutions
METALLGESELLSCHAFT AG1 citations45
US5198020AMar 30, 1993
Removal of zinc from phosphating process sludges
METALLGESELLSCHAFT AG1 citations43