Inventor
BRUNN HORST
DE14 patents
⚠️ This page may combine multiple inventors who share the name “BRUNN HORST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
12 patentsUS4701221AOct 20, 1987
Process for the production of black pigments based on iron
BAYER AG31 citations89
US5059250AOct 22, 1991
Red iron oxide pigments with improved coloring properties
BAYER AG18 citations81
US4589906AMay 20, 1986
Inorganic depot fertilizers
BAYER AG16 citations72
US4358431ANov 9, 1982
Production of magnetic iron oxides
BAYER AG7 citations72
US4234348ANov 18, 1980
Process for the production of iron oxide red pigments
BAYER AG15 citations72
US5049193ASep 17, 1991
Heat stable iron oxide pigments of upsilon-Fe2 O3 structure, a process for their production and their use
BAYER AG7 citations71
US4698100AOct 6, 1987
Iron oxide yellow pigments having a low silking effect and a process for production thereof
BAYER AG9 citations71
US4443264AApr 17, 1984
Halogen-free zinc ferrite yellow pigments containing alumina and phosphorus oxide and production
BAYER AG10 citations71
US4492600AJan 8, 1985
Corrosion-inhibiting paints and lacquers
BAYER AG9 citations70
US5837051ANov 17, 1998
Process for the thermal treatment of iron oxides in a circulating fluidized bed
BAYER AG10 citations69
US5665157ASep 9, 1997
Clean color shade, yellow-tinged red iron oxide pigments, and a process for their manufacture, and their use
BAYER AG5 citations61
US5269843ADec 14, 1993
Boron-containing iron oxide pigments and a process for their preparation
BAYER AG3 citations61