Kai Butje
12Patents
9h-index
28Co-inventors
68Inventor score
Filing activity: Dec 7, 1993 → Apr 23, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5840111A | Nanodisperse titanium dioxide, process for the production thereof and use thereof | Emerging Cross-Sectional Technologies | 97 | Expired |
| US5917279A | Intermediate layer in electroluminescent arrangements containing finely divided inorganic particles | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5723404A | Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides | Performing Operations; Transporting | 21 | Expired |
| US5527519A | Finely divided, highly pure neutral zinc oxide powder, a process for its preparation and its use | Chemistry; Metallurgy | 20 | Expired |
| US6565973B2 | Composite particles | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5468463A | Process for the preparation of very pure titanium dioxide | Chemistry; Metallurgy | 17 | Expired |
| US5961710A | Inorganic pigment granules process for their production and their use | Chemistry; Metallurgy | 13 | Expired |
| US6132505A | Inorganic pigment pellets for coloring plastics, lacquers and building materials and a process for the production thereof | Chemistry; Metallurgy | 13 | Expired |
| US6503315B1 | Process for producing iron oxide pigments | Chemistry; Metallurgy | 10 | Expired |
| US5804639A | Pigment preparations having a high solids content | Chemistry; Metallurgy | 6 | Expired |
| US5837635A | Process for producing mixed oxide powders from deactivated denox catalysts | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7837785B2 | Process for the preparation of pigment granules and the use thereof | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.