Inventor
GRIMM HUGO
15 patents
⚠️ This page may combine multiple inventors who share the name “GRIMM HUGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METALLGESELLSCHAFT AG
12 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
US4910011AMar 20, 1990
Process of purifying flue gases
METALLGESELLSCHAFT AG29 citations88
US5030428AJul 9, 1991
Process of purifying flue gases
METALLGESELLSCHAFT AG51 citations86
US4029751AJun 14, 1977
Process for producing sulfuric acid
METALLGESELLSCHAFT AG25 citations81
US3950493AApr 13, 1976
Process for absorbing SO3
METALLGESELLSCHAFT AG23 citations81
US4368183AJan 11, 1983
Process of producing concentrated sulfuric acid
METALLGESELLSCHAFT AG21 citations80
US3997655ADec 14, 1976
Process for catalytically reacting gases having a high SO2 content
METALLGESELLSCHAFT AG11 citations72
US4333917AJun 8, 1982
Process of producing sulfuric acid
METALLGESELLSCHAFT AG16 citations71
US4842835AJun 27, 1989
Process of purifying flue gases
METALLGESELLSCHAFT AG11 citations69
US3963423AJun 15, 1976
Catalytic reactor having annular catalyst tray means
METALLGESELLSCHAFT AG9 citations68
US5387402AFeb 7, 1995
Contact reactor for a quasi-isothermal catalytic oxidation of SO2 to SO3 and method of operating same
METALLGESELLSCHAFT AG3 citations58
US4008316AFeb 15, 1977
Apparatus for producing SO3 and sulphuric acid by a catalytic of gases which contain SO2
METALLGESELLSCHAFT AG2 citations56