Inventor

DOPPELBERGER JOHANN

DE3 patents

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

WACKER CHEMIE GMBH

1 patent

US4902570AFeb 20, 1990

Process for preparing highly dispersed metal oxides whose surfaces are modified by an ammonium-functional organopolysiloxane as a positive chargeable controlling agent for toners

WACKER CHEMIE GMBH55 citations91

CONSORTIUM ELEKTROCHEM IND

1 patent

US5851604ADec 22, 1998

Interference pigments comprising molecules fixed in a cholesteric configuration, and use thereof

CONSORTIUM ELEKTROCHEM IND40 citations89

WACKER CHEMIE AG

1 patent

US7901502B2Mar 8, 2011

Dispersion which contains at least 2 types of particles

WACKER CHEMIE AG4 citations59