Inventor
GROHMANN HELMUT
4 patents
Patents
4 patentsUS4255399AMar 10, 1981
Process for the recovery of magnesium oxide of high purity
VEITSCHER MAGNESITWERKE AG9 citations71
US4100254AJul 11, 1978
Industrial process of preparing magnesia of high purity
VEITSCHER MAGNESITWERKE AG16 citations71
US3989446ANov 2, 1976
Method and kiln for calcining finely divided material
VEITSCHER MAGNESITWERKE AG16 citations71
US4362709ADec 7, 1982
Process of preparing sinter magnesia
VEITSCHER MAGNESITWERKE AG4 citations60