Inventor
OHLINGER MANFRED
DE40 patents
⚠️ This page may combine multiple inventors who share the name “OHLINGER MANFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
35 patentsUS4212903AJul 15, 1980
Improving the magnetic properties of gamma-iron (III) oxide
BASF AG30 citations89
US4165232AAug 21, 1979
Manufacture of ferromagnetic metal particles essentially consisting of iron
BASF AG29 citations81
US4155748AMay 22, 1979
Manufacture of ferromagnetic metal particles consisting essentially of iron
BASF AG22 citations81
US4497723AFeb 5, 1985
Preparation of acicular, ferrimagnetic iron oxides
BASF AG10 citations73
US4367214AJan 4, 1983
Manufacture of acicular ferrimagnetic iron oxide
BASF AG14 citations73
US4344791AAug 17, 1982
Manufacture of acicular ferromagnetic iron particles
BASF AG9 citations73
US4295879AOct 20, 1981
Manufacture of acicular ferromagnetic iron particles
BASF AG11 citations73
US4287233ASep 1, 1981
Manufacture of acicular cobalt-containing magnetic iron oxide
BASF AG11 citations73
US4213959AJul 22, 1980
Manufacture of acicular, ferrimagnetic iron oxide
BASF AG11 citations73
US4188302AFeb 12, 1980
Manufacture of acicular cobalt-modified magnetic iron oxide
BASF AG13 citations73
US4178171ADec 11, 1979
Manufacture of acicular ferromagnetic iron particles
BASF AG15 citations73
US4061725ADec 6, 1977
Manufacture of gamma-iron(III) oxide
BASF AG10 citations73
US4670177AJun 2, 1987
Preparation of ferromagnetic chromium dioxide
BASF AG7 citations72
US4243059AJan 6, 1981
Method and device for determining the homogeneity of magnetic dispersions
BASF AG13 citations72
US4177317ADec 4, 1979
Stabilization of chromium dioxide magnetic pigments
BASF AG10 citations72
US4521527AJun 4, 1985
Molded iron catalyst and its preparation
BASF AG8 citations71
US4109046AAug 22, 1978
Flexible multi-layer magnetic recording media
BASF AG10 citations71
US4619777AOct 28, 1986
Preparation of a magnetic dispersion
BASF AG7 citations70
US4378240AMar 29, 1983
Preparation of acicular ferromagnetic metal particles consisting essentially of iron
BASF AG9 citations69
US4457982AJul 3, 1984
Acicular ferrimagnetic iron oxide and its preparation
BASF AG5 citations63
US5496633AMar 5, 1996
Transfer film with magnetic layer
BASF AG4 citations62
US4275114AJun 23, 1981
Magnetic recording medium and method of stabilization of chromium dioxide magnetic pigments
BASF AG4 citations62
US4061726ADec 6, 1977
Manufacture of acicular γ-iron(III) oxide
BASF AG6 citations62
US4059716ANov 22, 1977
Manufacture of gamma-iron(III) oxide
BASF AG4 citations62
US5164173ANov 17, 1992
Preparation of stabilized acicular ferromagnetic chromium dioxide
BASF AG4 citations61
US5030371AJul 9, 1991
Process for preparing acicular ferromagnetic material consisting essentially of iron-containing chromium dioxide
BASF AG6 citations61
US4061727ADec 6, 1977
Manufacture of γ-iron(III) oxide
BASF AG6 citations60
US4340494AJul 20, 1982
Process for the manufacture of ferromagnetic chromium dioxide
BASF AG6 citations57
US4200678AApr 29, 1980
Flexible multilayer magnetic recording medium
BASF AG5 citations57
US5209970AMay 11, 1993
Magnetic recording media
BASF AG1 citations52
US5096779AMar 17, 1992
Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material
BASF AG1 citations51
US4492804AJan 8, 1985
Preparation of primary amines
BASF AG1 citations50
US4362708ADec 7, 1982
Preparation of acicular gamma-iron(III) oxide of high coercive force
BASF AG1 citations49
US4741895AMay 3, 1988
Preparation of chromium(III) oxide
BASF AG1 citations45
US4084936AApr 18, 1978
Reducing corrosion in reactors used for the synthesis of chromium dioxide
BASF AG0 citations45