Inventor
DOERR KARL H
5 patents
⚠️ This page may combine multiple inventors who share the name “DOERR KARL H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METALLGESELLSCHAFT AG
4 patentsUS4333917AJun 8, 1982
Process of producing sulfuric acid
METALLGESELLSCHAFT AG16 citations71
US4842835AJun 27, 1989
Process of purifying flue gases
METALLGESELLSCHAFT AG11 citations69
US4330364AMay 18, 1982
Process of strengthening dilute phosphoric acid
METALLGESELLSCHAFT AG6 citations68
US4276116AJun 30, 1981
Process of strengthening dilute phosphoric acid
METALLGESELLSCHAFT AG6 citations68