Inventor · Niedernhausen, DE

Ruediger Baur

15Patents
8h-index
20Co-inventors
68Inventor score

Filing activity: Jul 30, 1998 → Sep 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6117606A Use of pigment yellow 155 in electrophotographic toners and developers, powder coatings and inkjet inks Physics 35 Expired
US6251553A Use of mixed-crystal pigments of the quinacridone series in electrophotographic toners and developers, powder coatings and inkjet inks Physics 16 Expired
US7008475B2 Water-based colorant preparations Chemistry; Metallurgy 15 Expired
US7029818B2 Use of coated pigment granules in electrophotographic toners and developers, powder coatings and inkjet inks Physics 14 Expired
US6406528B1 Use of improved cyan pigments in inkjet inks Physics 14 Expired
US6030738A Use of inter-polyelectrolyte complexes as charge control agents Emerging Cross-Sectional Technologies 13 Expired
US6391507B1 Cyan pigments in electrophotographic toners and developers Physics 13 Expired
US6207335A Use of metal carboxylates and sulfonates as charge control agents Electricity 8 Expired
US7135266B2 Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias Physics 6 Expired
US7569318B2 Use of salts of layered double hydoxides Performing Operations; Transporting 4 Expired
US7309389B2 Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias Physics 3 Active
US7611812B2 Use of salts of layered double hydroxides as charge control agents Chemistry; Metallurgy 3 Expired
US6143455A Use of aluminum azo complex dyes as charge control agents Emerging Cross-Sectional Technologies 1 Expired
US8623579B2 Easily dispersible pigment preparation based on C.I. pigment yellow 155 Physics 0 Active
US7621967B2 Blue dye with particularly high purity and positive triboelectric control effect Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.