Inventor
DORR KARL-HEINZ
9 patents
⚠️ This page may combine multiple inventors who share the name “DORR KARL-HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METALLGESELLSCHAFT AG
7 patentsUS3944401AMar 16, 1976
Process for the removal of gaseous impurities from the exhaust gases of a contact-process plant for the production of sulfuric acid
METALLGESELLSCHAFT AG44 citations91
US4029751AJun 14, 1977
Process for producing sulfuric acid
METALLGESELLSCHAFT AG25 citations81
US3950493AApr 13, 1976
Process for absorbing SO3
METALLGESELLSCHAFT AG23 citations81
US3997655ADec 14, 1976
Process for catalytically reacting gases having a high SO2 content
METALLGESELLSCHAFT AG11 citations72
US3963423AJun 15, 1976
Catalytic reactor having annular catalyst tray means
METALLGESELLSCHAFT AG9 citations68
US4008316AFeb 15, 1977
Apparatus for producing SO3 and sulphuric acid by a catalytic of gases which contain SO2
METALLGESELLSCHAFT AG2 citations56
US3988428AOct 26, 1976
Sulfur-producing process and system for producing sulfur dioxide
METALLGESELLSCHAFT AG6 citations53