Inventor · Krefeld, DE

Lutz Leitner

7Patents
5h-index
14Co-inventors
56Inventor score

Filing activity: Jan 11, 1973 → Sep 8, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US3947502A Production of finely divided acicular magnetic iron oxides Chemistry; Metallurgy 23 Expired
US4297395A Production of cobalt-doped ferrimagnetic iron oxides Physics 14 Expired
US4325739A Magnetic metal and alloy pigments Emerging Cross-Sectional Technologies 8 Expired
US4140539A Hydrothermal process for producing dense iron oxide pigments Chemistry; Metallurgy 8 Expired
US4631090A Preparation and use of iron magnetic pigments Electricity 7 Expired
US4369265A Readily dispersible silicone-coated finely divided solids Emerging Cross-Sectional Technologies 5 Expired
US4853289A Magnetic lacquer dispersions, process for their production and their use Emerging Cross-Sectional Technologies 0 Expired

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