Inventor
SCHUMACHER KAI
DE35 patents
⚠️ This page may combine multiple inventors who share the name “SCHUMACHER KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
15 patentsUS6773814B2Aug 10, 2004
Metal oxide particles coated with silicon dioxide
DEGUSSA71 citations97
US6767377B2Jul 27, 2004
Aqueous dispersion containing cerium oxide-coated silicon powder, process for the production thereof and use thereof
DEGUSSA63 citations96
US7244302B2Jul 17, 2007
Titanium dioxide coated with silicon dioxide
DEGUSSA49 citations92
US6855635B2Feb 15, 2005
Coated doped oxides
DEGUSSA19 citations92
US7255735B2Aug 14, 2007
Surface-modified silicon dioxide-titanium dioxide mixed oxides
DEGUSSA44 citations91
US7534409B2May 19, 2009
Pyrogenic silicon dioxide powder and dispersion thereof
DEGUSSA7 citations74
US7416600B2Aug 26, 2008
Silicon-titanium mixed oxide powder produced by flame hydrolysis
DEGUSSA6 citations71
US7439298B2Oct 21, 2008
Pyrogenically produced silicon dioxide powder and silicone sealing compound containing this powder
DEGUSSA4 citations62
US7541014B2Jun 2, 2009
Pyrogenically produced silica
DEGUSSA3 citations61
US7491375B2Feb 17, 2009
Pyrogenically produced silicon dioxide powder
DEGUSSA6 citations60
US7351388B2Apr 1, 2008
Pyrogenically produced silicon dioxide powder
DEGUSSA5 citations60
US7306667B2Dec 11, 2007
Silicon-titanium mixed oxide powder
DEGUSSA5 citations60
US7658907B2Feb 9, 2010
Titanium-aluminium mixed oxide powder
DEGUSSA1 citations51
US7537833B2May 26, 2009
Pyrogenically produced silicon dioxide powder and dispersion thereof
DEGUSSA0 citations49
US7686881B2Mar 30, 2010
Flame-hydrolytically produced titanium dioxide powder
DEGUSSA0 citations45
EVONIK DEGUSSA GMBH
11 patentsUS7749322B2Jul 6, 2010
Aluminium oxide powder produced by flame hydrolysis and having a large surface area
EVONIK DEGUSSA GMBH37 citations92
US7972431B2Jul 5, 2011
Surface-modified silicas
EVONIK DEGUSSA GMBH7 citations84
US7722849B2May 25, 2010
Pyrogenic silicon dioxide and a dispersion thereof
EVONIK DEGUSSA GMBH13 citations83
US7785560B2Aug 31, 2010
Purification of finely divided, pyrogenically prepared metal oxide particles
EVONIK DEGUSSA GMBH12 citations81
US10280088B2May 7, 2019
Method for producing silicic acid with variable thickening
EVONIK DEGUSSA GMBH4 citations72
US7862797B2Jan 4, 2011
Mixed oxide powder comprising alkali metal oxide, and silicone rubber comprising this powder
EVONIK DEGUSSA GMBH2 citations63
US7824643B2Nov 2, 2010
Silicon dioxide dispersion
EVONIK DEGUSSA GMBH2 citations62
US7918933B2Apr 5, 2011
Dispersion of high surface area silica
EVONIK DEGUSSA GMBH1 citations52
US7892510B2Feb 22, 2011
Silicon dioxide dispersion
EVONIK DEGUSSA GMBH0 citations51
US7888396B2Feb 15, 2011
Silicon dioxide dispersion
EVONIK DEGUSSA GMBH0 citations51
US7910515B2Mar 22, 2011
Photocatalyst
EVONIK DEGUSSA GMBH1 citations42
SCHUMACHER KAI
3 patentsUS8209999B2Jul 3, 2012
Method of making silica-glass granule from pyrogenic silica powder
SCHUMACHER KAI9 citations79
US8535633B2Sep 17, 2013
Process for the production of doped metal oxide particles
SCHUMACHER KAI4 citations60
US8197791B2Jun 12, 2012
Aluminium oxide powder, dispersion and coating composition
SCHUMACHER KAI4 citations57