Inventor · Neustadt, DE

Raimund Schmid

39Patents
17h-index
46Co-inventors
81Inventor score

Filing activity: Mar 9, 1993 → Sep 19, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5624486A Multiply coated metallic luster pigments Chemistry; Metallurgy 133 Expired
US5364467A Luster pigments based on multiply coated plateletlike metalic substrates Chemistry; Metallurgy 128 Expired
US5607504A Multiply coated metallic luster pigments Chemistry; Metallurgy 98 Expired
US5763086A Goniochromatic luster pigments with silicon-containing coating Emerging Cross-Sectional Technologies 86 Expired
US5958125A Goniochromatic luster pigments based on transparent, nonmetallic, platelet-shaped substrates Chemistry; Metallurgy 72 Expired
US6531221B1 Multilayer cholesteric pigments Emerging Cross-Sectional Technologies 60 Expired
US5662738A Luster pigments based on multiply coated plateletlike metallic substrates Chemistry; Metallurgy 45 Expired
US5277711A Mixtures useful as luster pigments Chemistry; Metallurgy 31 Expired
US5626661A Luster pigments based on multiply coated plateletlike silicatic substrates Chemistry; Metallurgy 28 Expired
US6533857B1 Gloss pigments comprising an absorbent low-refractive coating Chemistry; Metallurgy 27 Expired
US5733658A Luster pigments based on reduced titania-coated silicate-based platelets Emerging Cross-Sectional Technologies 24 Expired
US6139614A Goniochromatic luster pigments based on titanium dioxide-coated silicatic platelets which have been heated in a reducing atmosphere Chemistry; Metallurgy 22 Expired
US5540770A Luster pigments with nitrogen-containing metal layers Chemistry; Metallurgy 20 Expired
US5505991A Production of silicon oxide-coated solid particles Chemistry; Metallurgy 19 Expired
US5733364A Goniochromatic luster pigments with aluminum coating Chemistry; Metallurgy 19 Expired
US5624487A Preparation of bluish luster pigments Emerging Cross-Sectional Technologies 18 Expired
US6620233B1 Goniochromatic luster pigments which are based on titanium dioxide-coated siliceous platelets heated in a reductive atmosphere Chemistry; Metallurgy 18 Expired
US5401306A Luster pigments with a metal sulfide coating Chemistry; Metallurgy 15 Expired
US5474605A Doubly gas-phase passivated metallic pigments Emerging Cross-Sectional Technologies 13 Expired
US5501731A Carbon-containing luster pigments Chemistry; Metallurgy 12 Expired
US7387669B2 Luster pigments having a pronounced glittering effect Chemistry; Metallurgy 12 Expired
US6063179A Goniochromatic gloss pigments based on coated silicon dioxide platelets Chemistry; Metallurgy 12 Expired
US5352286A Gas-phase passivation of metal pigments Chemistry; Metallurgy 10 Expired
US7300510B2 Goniochromatic bright pigments Chemistry; Metallurgy 9 Expired
US6193794A Goniochromatic luster pigments based on multiply coated iron oxide platelets Emerging Cross-Sectional Technologies 6 Expired

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