Inventor

HOLTMANN UDO

DE6 patents

⚠️ This page may combine multiple inventors who share the name “HOLTMANN UDO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAYER AG

3 patents

US5723404AMar 3, 1998

Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides

BAYER AG46 citations90

US5792250AAug 11, 1998

Process for the production of inorganically coated pigments and fillers

BAYER AG15 citations71

US5268159ADec 7, 1993

Process for the production of storable, free-flowing hydrated ferrous sulfate

BAYER AG3 citations59

LANXESS DEUTSCHLAND GMBH

3 patents

US9428402B2Aug 30, 2016

Method for producing finely divided haematite and for producing iron oxide red pigments

LANXESS DEUTSCHLAND GMBH4 citations67

US7837785B2Nov 23, 2010

Process for the preparation of pigment granules and the use thereof

LANXESS DEUTSCHLAND GMBH2 citations61

US11104807B2Aug 31, 2021

Preparation of red iron oxide pigment

LANXESS DEUTSCHLAND GMBH0 citations46