Inventor · Ludwigshafen, DE

Peter Blaschka

20Patents
8h-index
47Co-inventors
71Inventor score

Filing activity: Jun 18, 1998 → Dec 30, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6410130B1 Coatings with a cholesteric effect and method for the production thereof Emerging Cross-Sectional Technologies 63 Expired
US6531221B1 Multilayer cholesteric pigments Emerging Cross-Sectional Technologies 60 Expired
US6582781B1 Multilayer cholesteric pigments Emerging Cross-Sectional Technologies 48 Expired
US6184378A 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides Chemistry; Metallurgy 23 Expired
US6326494A 1,7-Diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides Chemistry; Metallurgy 22 Expired
US6143905A 1,7-diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides Chemistry; Metallurgy 20 Expired
US6063181A 1,7-disubstituted perylene-3,4,9, 10-tetracarboxylic acids, their dianhydrides and diimides of said acids Chemistry; Metallurgy 14 Expired
US6784301B2 Perylene-derivative based crystallization modifiers Chemistry; Metallurgy 12 Expired
US6099636A N,N'-dimethylperylene-3,4,9,10-tetracarboxylic acid diimide pigments suitable for water-based paints Chemistry; Metallurgy 7 Expired
US7105674B2 Perylene-derivative based crystallization modifiers Chemistry; Metallurgy 7 Expired
US6656543B2 Cholesteric layered material, and the production thereof Emerging Cross-Sectional Technologies 4 Expired
US7799920B2 Method for producing perylene-3,4-dicarboxylic acid imides Chemistry; Metallurgy 4 Active
US6850310B1 Cholesteric layered material having improved color stability, and the production thereof Chemistry; Metallurgy 3 Expired
US7741487B2 Method for producing quaterrylene-3,4:13, 14-tetracarboxy diimides by direct synthesis Chemistry; Metallurgy 1 Active
US7446198B2 9-Cyano-substituted perylene-3, 4-dicarboxylic monoimides Physics 1 Expired
US7550606B2 9-cyano-substituted perylene-3,4-dicarboxylic acid monoimides Physics 0 Active
US6784286B2 Transparent greenish yellow pyrazolone pigments Chemistry; Metallurgy 0 Expired
US7851628B2 Conversion of perylene-3,4:9,10-tetracarboximides to a form suitable for use as fluorescent dyes Chemistry; Metallurgy 0 Active
US6980292B2 Method for the production of dyestuff pastes Chemistry; Metallurgy 0 Expired
US7753967B2 Method for converting perylen-3,4:9,10-tetracarboxylic acid diimides into a form suitable for use as a fluorescent dye Chemistry; Metallurgy 0 Expired

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