Inventor
FREISSMUTH ALFRED
DE13 patents
⚠️ This page may combine multiple inventors who share the name “FREISSMUTH ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUEDDEUTSCHE KALKSTICKSTOFF
11 patentsUS4159906AJul 3, 1979
Method and composition for the desulfurization of molten metals
SUEDDEUTSCHE KALKSTICKSTOFF19 citations78
US4078915AMar 14, 1978
Method and composition for the desulfurization of molten metals
SUEDDEUTSCHE KALKSTICKSTOFF22 citations78
US4242126ADec 30, 1980
Process for the treatment of iron melts and for increasing the scrap portion in the converter
SUEDDEUTSCHE KALKSTICKSTOFF6 citations73
US4260413AApr 7, 1981
Desulfurizing composition, process for producing them and desulfurization of pig iron and steel
SUEDDEUTSCHE KALKSTICKSTOFF17 citations72
US4154605AMay 15, 1979
Desulfurization of iron melts with fine particulate mixtures containing alkaline earth metal carbonates
SUEDDEUTSCHE KALKSTICKSTOFF9 citations72
US4315773AFeb 16, 1982
Desulfurization mixture and process for desulfurizing pig iron
SUEDDEUTSCHE KALKSTICKSTOFF17 citations71
US4169724AOct 2, 1979
Desulfurization of iron melts
SUEDDEUTSCHE KALKSTICKSTOFF12 citations69
US4473397ASep 25, 1984
Foam prevention compositions and processes for use in steel production
SUEDDEUTSCHE KALKSTICKSTOFF12 citations68
US4049442ASep 20, 1977
Composition for desulfurizing iron melts
SUEDDEUTSCHE KALKSTICKSTOFF7 citations64
US4430118AFeb 7, 1984
Desulfurization agent
SUEDDEUTSCHE KALKSTICKSTOFF5 citations61
US4154606AMay 15, 1979
Composition and method for the desulfurization of molten iron
SUEDDEUTSCHE KALKSTICKSTOFF4 citations60