Inventor
HOEFS HANS-ULRICH
DE7 patents
Patents
7 patentsUS6294726B1Sep 25, 2001
Silicon with structured oxygen doping, its production and use
BAYER AG33 citations88
US5032377AJul 16, 1991
Chromium oxide green, a process for its production and its use
BAYER AG20 citations81
US4911760AMar 27, 1990
Color pure iron oxide pigments, a process for their preparation
BAYER AG16 citations79
US5185141AFeb 9, 1993
Process for the production of iron oxide yellow pigments
BAYER AG10 citations71
US5108508AApr 28, 1992
Rutile mixed phase pigment microgranulates, a process for their preparation and their use
BAYER AG8 citations71
US5049195ASep 17, 1991
Color pure iron oxide pigments, a process for their preparation and their use
BAYER AG4 citations60
US4957562ASep 18, 1990
Chrome oxide green, a process for its preparation and its use
BAYER AG4 citations59