Inventor
KULLMANN UDO
DE3 patents
Patents
3 patentsUS4664831AMay 12, 1987
Preparation of finely divided ferrite powders
BASF AG56 citations93
US4560624ADec 24, 1985
Magnetic recording media with a dual protective coating of silicon monoxide and chromium
BASF AG12 citations69
US4755315AJul 5, 1988
Preparation of cobalt-containing isotropic magnetic iron oxides
BASF AG3 citations61