Filed: February 17, 1987 CHEMICALS USED IN METALLURGY, IN TEMPERING AND SOLDERING PREPARATIONS, IN TREATMENT OF METALS, IN TREATMENT OF CAST IRON… Owned by:FERROPEM Serial Number:73645191
Filed: September 14, 2006 Chemicals for use in industry and science; tempering chemicals for use in metalworking or soldering; silicon; strontium;… Owned by:FERROPEM Serial Number:78974402
Filed: March 31, 2017 Chemicals used in industry; tempering preparations; inoculants and inoculants based on ferrosilicon, namely, chemicals used… Owned by:FERROPEM Serial Number:87394297