Inventor · disambiguated record
Horst Brunn
Also filed as: BRUENN HORST · BRUNN HORST
15 granted patents·165 citations·filing 1979–2004
93Inventor score
Top patents by PatentIndex Score
15 records- 0181US4620879AIron oxide yellow pigments having a low silking effect and a process for production thereofBAYER AG·Filed 1984·Granted Nov 4, 1986·19 cites·11 claims
- 0277US4701221AProcess for the production of black pigments based on ironBAYER AG·Filed 1986·Granted Oct 20, 1987·31 cites·10 claims
- 0373US4234348AProcess for the production of iron oxide red pigmentsBAYER AG·Filed 1979·Granted Nov 18, 1980·15 cites·5 claims
- 0472US5059250ARed iron oxide pigments with improved coloring propertiesBAYER AG·Filed 1986·Granted Oct 22, 1991·18 cites·6 claims
- 0571US4589906AInorganic depot fertilizersBAYER AG·Filed 1983·Granted May 20, 1986·16 cites·8 claims
- 0665US7144455B2Process for preparing yellow iron oxide pigments with CaCo3 precipitantBAYER CHEMICALS AG·Filed 2004·Granted Dec 5, 2006·6 cites·11 claims
- 0756US4443264AHalogen-free zinc ferrite yellow pigments containing alumina and phosphorus oxide and productionBAYER AG·Filed 1982·Granted Apr 17, 1984·10 cites·8 claims
- 0852US4358431AProduction of magnetic iron oxidesBAYER AG·Filed 1981·Granted Nov 9, 1982·7 cites·7 claims
- 0951US4698100AIron oxide yellow pigments having a low silking effect and a process for production thereofBAYER AG·Filed 1986·Granted Oct 6, 1987·9 cites·2 claims
- 1046US7294192B2Heat-stable zinc ferrite colour pigments, process for preparing them and their useLANXESS DEUTSCHLAND GMBH·Filed 2004·Granted Nov 13, 2007·0 cites·10 claims
- 1144US4492600ACorrosion-inhibiting paints and lacquersBAYER AG·Filed 1982·Granted Jan 8, 1985·9 cites·1 claims
- 1243US5049193AHeat stable iron oxide pigments of upsilon-Fe2 O3 structure, a process for their production and their useBAYER AG·Filed 1990·Granted Sep 17, 1991·7 cites·15 claims
- 1342US5665157AClean color shade, yellow-tinged red iron oxide pigments, and a process for their manufacture, and their useBAYER AG·Filed 1996·Granted Sep 9, 1997·5 cites·15 claims
- 1439US5837051AProcess for the thermal treatment of iron oxides in a circulating fluidized bedBAYER AG·Filed 1995·Granted Nov 17, 1998·10 cites·17 claims
- 1535US5269843ABoron-containing iron oxide pigments and a process for their preparationBAYER AG·Filed 1992·Granted Dec 14, 1993·3 cites·7 claims
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