Inventor
ROSENSTOCK FRIEDRICH
DE8 patents
⚠️ This page may combine multiple inventors who share the name “ROSENSTOCK FRIEDRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
METALLGESELLSCHAFT AG
7 patentsUS4969775ANov 13, 1990
Process of dressing contaminated soils
METALLGESELLSCHAFT AG31 citations87
US5223147AJun 29, 1993
Process of treating contaminated soils
METALLGESELLSCHAFT AG26 citations86
US5439115AAug 8, 1995
Process for selective flotation of copper-lead-zinc sulfide
METALLGESELLSCHAFT AG13 citations67
US5094012AMar 10, 1992
Process for decontaminating contaminated soils
METALLGESELLSCHAFT AG13 citations66
US4053113AOct 11, 1977
Dry grinding process for reducing ore to pelletizable particles
METALLGESELLSCHAFT AG3 citations60
US4268304AMay 19, 1981
Direct reduction process in a rotary kiln
METALLGESELLSCHAFT AG2 citations56
US5482535AJan 9, 1996
Process for the recovery of silver by floatation from the residue from the wet extraction of zinc
METALLGESELLSCHAFT AG6 citations54