Patent assignee · DE · COMPANY

ECKART GmbH

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78Patents
75Active
78Granted
53Portfolio score

Filing activity: Aug 7, 2003 → Feb 15, 2023 · 29 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7699927B2 SiO2 coated pearlescent pigments Chemistry; Metallurgy 21 Expired
US8361217B2 Metallic paint, method for the production thereof, and uses thereof Chemistry; Metallurgy 16 Active
US8728227B2 High-gloss multilayer effect pigments having a silver interference color and a narrow size distribution, and method for the production thereof Chemistry; Metallurgy 13 Active
US9000068B2 Metal effect pigments comprising a mixed inorganic/organic layer, method for the production of such metal effect pigments, and use thereof Chemistry; Metallurgy 12 Active
US8728228B2 High-gloss multilayer effect pigments having a narrow size distribution, and method for the production thereof Chemistry; Metallurgy 9 Active
US8715407B2 High-gloss multilayer effect pigments having a non-silver interference color and a narrow size distribution, and method for the production thereof Chemistry; Metallurgy 9 Active
US8728226B2 High-gloss multilayer effect pigments having a chromatic interference color and a narrow size distribution, and method for the production thereof Chemistry; Metallurgy 8 Active
US8129021B2 Effect pigments based on substrates formed from inorganic-organic mixed phases, production and use thereof Emerging Cross-Sectional Technologies 8 Active
US7485365B2 Copper-based metal flakes, in particular comprising zinc and method for production thereof Emerging Cross-Sectional Technologies 7 Expired
US9663661B2 Effect pigments comprising a glass flake substrate Chemistry; Metallurgy 7 Active
US11617707B2 Nail varnish composition containing embossed effect pigments and surface-modified embossed effect pigments Chemistry; Metallurgy 7 Active
US9051471B2 Weather-resistant pearlescent pigments, process for the production and use thereof Chemistry; Metallurgy 7 Active
US8851649B2 UV ink jet printing ink composition Chemistry; Metallurgy 6 Active
US8980976B2 Pearlescent pigments coated with mixed inorganic/organic layers and method for the production thereof Chemistry; Metallurgy 6 Active
US8735461B2 Printing ink, in particular ink-jet ink, containing pearlescent pigments based on fine and thin substrates Chemistry; Metallurgy 6 Active
US10023746B2 White pigment reflecting IR radiation, production and use thereof Chemistry; Metallurgy 6 Active
US8333832B2 Pigment preparation and ink jet printing ink Emerging Cross-Sectional Technologies 6 Active
US8197591B2 Pearlescent pigments having a secondary coating comprising α-silanes and method for the production thereof Emerging Cross-Sectional Technologies 5 Active
US8067090B2 Color effect pigment with a layer made of discrete metal particles, method for the production thereof and its use Emerging Cross-Sectional Technologies 5 Active
US7955772B2 Dry toner, processes for the production thereof, and the use thereof Physics 5 Active
US9453131B2 PVD-metallic effect pigments with diffractive structure and metal nanoparticles, process for preparing them and use thereof Emerging Cross-Sectional Technologies 4 Active
US9624378B2 Coated metal pigments, method for the production and use thereof, coating agent and article Chemistry; Metallurgy 4 Active
US8552070B2 Metallic pigment preparation in compacted form, method for producing the same and use thereof Chemistry; Metallurgy 4 Active
US8304077B2 Metal effect pigments, method for the production and the use thereof and powder coating Emerging Cross-Sectional Technologies 4 Active
US9580787B2 Coating method using special powdered coating materials and use of such coating materials Chemistry; Metallurgy 3 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.