Inventor
MEISEN ULRICH
DE23 patents
⚠️ This page may combine multiple inventors who share the name “MEISEN ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
18 patentsUS6179908B1Jan 30, 2001
Iron oxide red pigments, process for the production of iron oxide red pigments and use thereof
BAYER AG34 citations91
US6530987B1Mar 11, 2003
Method for producing iron oxide pigments from waste acid resulting from TiO2 production
BAYER AG33 citations89
US6689206B2Feb 10, 2004
Process for producing yellow iron oxide pigments
BAYER AG19 citations84
US6440377B1Aug 27, 2002
Method for reprocessing waste acid resulting from TiO2 production
BAYER AG18 citations83
US6416723B1Jul 9, 2002
Method for reprocessing waste acid to form gypsum and iron oxide
BAYER AG9 citations73
US6042642AMar 28, 2000
Iron oxide yellow pigments, a method of producing iron oxide yellow pigments and the use thereof
BAYER AG10 citations72
US5916360AJun 29, 1999
Process for the preparation of iron oxide yellow pigments and the use thereof
BAYER AG7 citations72
US6063180AMay 16, 2000
Use of free-flowing, magnetic iron oxide containing granules with 50 to 73 wt. % iron content
BAYER AG7 citations69
US6849196B2Feb 1, 2005
Process for the preparation of magnetite particles and their use
BAYER AG2 citations62
US6562533B2May 13, 2003
Magnetites and their use in producing toners
BAYER AG3 citations62
US6534032B2Mar 18, 2003
Process for the production of yellow iron oxide
BAYER AG5 citations62
US6508877B2Jan 21, 2003
Process for the production of an aluminium-containing iron oxide crystallization nucleus
BAYER AG6 citations62
US6280649B1Aug 28, 2001
Method of producing precipitated magnetites
BAYER AG4 citations62
US4773938ASep 27, 1988
Finely divided isometric hexaferrite pigments with a W-structure, processes for their preparation and their use
BAYER AG6 citations60
US6143194ANov 7, 2000
Magnetic iron oxide, process for its production and the use thereof
BAYER AG6 citations58
US6806010B2Oct 19, 2004
Toner containing magnetite particles
BAYER AG0 citations52
US6767529B2Jul 27, 2004
Process for producing magnetite particles
BAYER AG1 citations52
US6508290B2Jan 21, 2003
Method of preparing an aluminum-containing iron oxide nucleus
BAYER AG0 citations52
LANXESS DEUTSCHLAND GMBH
4 patentsUS7387671B2Jun 17, 2008
Iron oxide pigments
LANXESS DEUTSCHLAND GMBH9 citations84
US7425234B2Sep 16, 2008
Iron oxide pigments
LANXESS DEUTSCHLAND GMBH0 citations50
US11634342B2Apr 25, 2023
Iron oxide pigments containing Al
LANXESS DEUTSCHLAND GMBH0 citations48
US10870743B2Dec 22, 2020
Coated pigments for coloring PVC
LANXESS DEUTSCHLAND GMBH0 citations42