Inventor · Kempen, DE

Carsten Rosenhahn

7Patents
3h-index
18Co-inventors
50Inventor score

Filing activity: Oct 21, 2004 → Mar 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7235127B2 Reduction- and oxidation-stable iron oxide black pigments having high colour strength for colouring plastics and building materials, their preparation and their use Chemistry; Metallurgy 7 Expired
US7681814B2 Jet mill with integrated dynamic classifier Performing Operations; Transporting 4 Active
US7294191B2 Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability Emerging Cross-Sectional Technologies 4 Expired
US11634342B2 Iron oxide pigments containing Al Chemistry; Metallurgy 0 Active
US7799125B2 Yellow iron oxide pigments Chemistry; Metallurgy 0 Active
US7294192B2 Heat-stable zinc ferrite colour pigments, process for preparing them and their use Chemistry; Metallurgy 0 Expired
US12187623B2 Process for producing haematite pigments Chemistry; Metallurgy 0 Active

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