Inventor
STUMPFI WERNER
DE4 patents
Patents
4 patentsUS4017303AApr 12, 1977
Manufacture of acicular ferromagnetic metal pigments containing iron
BASF AG25 citations81
US3961990AJun 8, 1976
Manufacture of magnetic materials which exhibit exchange anisotropy
BASF AG16 citations73
US4177317ADec 4, 1979
Stabilization of chromium dioxide magnetic pigments
BASF AG10 citations72
US4541587ASep 17, 1985
Hub for magnetic tape cassettes, especially compact cassettes, and magnetic tape cassette possessing one or more such hubs
BASF AG8 citations71