Inventor
BRANDES RALPH
US5 patents
Patents
5 patentsUS6080232AJun 27, 2000
Spherical color pigments, process for their production and use thereof
DEGUSSA62 citations94
US6074754AJun 13, 2000
Spherical pigments, process for producing them and use thereof
DEGUSSA81 citations94
US7241336B2Jul 10, 2007
Pyrogenically produced aluminum-silicon mixed oxides
DEGUSSA11 citations78
US7365101B2Apr 29, 2008
Dispersion of pyrogenically produced cerium oxide
DEGUSSA1 citations51
US7537833B2May 26, 2009
Pyrogenically produced silicon dioxide powder and dispersion thereof
DEGUSSA0 citations49