Inventor · Cologne, DE

Klaus Muellen

42Patents
7h-index
117Co-inventors
72Inventor score

Filing activity: Oct 29, 1993 → Nov 23, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5677417A Tetraaroxyperylene-3,4,9,10-tetracarboxylic polyimides Chemistry; Metallurgy 60 Expired
US8231809B2 Use of rylene derivatives as photosensitizers in solar cells Emerging Cross-Sectional Technologies 52 Active
US5405962A Quaterrylenetetracarbimides Chemistry; Metallurgy 26 Expired
US9385326B2 Triangulene oligomers and polymers and their use as hole conducting material Emerging Cross-Sectional Technologies 25 Active
US9428518B2 Perylenemonoimide and naphthalenemonoimide derivatives and their use in dye-sensitized solar cells Emerging Cross-Sectional Technologies 23 Active
US6124458A Substituted quaterrylene tetracarboxylic acid diimides Chemistry; Metallurgy 17 Expired
US7176255B2 Method for producing aqueous polymer dispersions containing colorants Chemistry; Metallurgy 8 Expired
US9624375B2 Boron containing perylene monoimides, a process for their production, their use as building blocks for the production of perylene monoimide derivatives, monoimide derivatives and their use in dye-sensitized solar cells Emerging Cross-Sectional Technologies 6 Active
US8367717B2 High performance solution processable semiconductor based on dithieno [2,3-D:2′, 3′-D′]benzo[1,2-B:4,5-B′] dithiophene Emerging Cross-Sectional Technologies 6 Active
US7138522B2 Rylene derivatives and their use as dyes Chemistry; Metallurgy 5 Expired
US9105410B2 Boron containing perylene monoimides, a process for their production, their use as building blocks for the production of perylene monoimide derivatives, monoimide derivatives and their use in dye-sensitized solar cells Emerging Cross-Sectional Technologies 3 Active
US7445864B2 Functionalized polyazoles, method for the production thereof, and use thereof Emerging Cross-Sectional Technologies 2 Expired
US8501046B2 Use of rylene derivatives as photosensitizers in solar cells Emerging Cross-Sectional Technologies 2 Active
US8816081B2 Boron containing perylene monoimides, a process for their production, their use as building blocks for the production of perylene monoimide derivatives, monoimide derivatives and their use in dye-sensitized solar cells Emerging Cross-Sectional Technologies 2 Active
US9054325B2 Rylene monoimide derivatives and use thereof as photosensitizers in solar cells and photodetectors Emerging Cross-Sectional Technologies 2 Active
US8052899B2 Heptarylene-and octarylenetetracarboximides and preparation thereof Chemistry; Metallurgy 2 Active
US8481736B2 Liquid crystalline rylene tetracarboxylic acid derivatives and use thereof Emerging Cross-Sectional Technologies 1 Active
US7446198B2 9-Cyano-substituted perylene-3, 4-dicarboxylic monoimides Physics 1 Expired
US7408061B2 Rylene dyes Chemistry; Metallurgy 1 Expired
US6166155A Process for preparing polymers of vinyl monomers with narrow molecular weight distribution by controlled free-radical polymerization Chemistry; Metallurgy 1 Expired
US9550678B2 Polymeric precursors for producing graphene nanoribbons and methods for preparing them Emerging Cross-Sectional Technologies 1 Active
US7358362B2 Method for the production of terylene-3,4:11,12-tetracarboxydiimides by direct synthesis Chemistry; Metallurgy 1 Expired
US7521556B2 1,6,9,14-tetrasubstituted terrylene tetracarboxylic acid diimides Chemistry; Metallurgy 1 Expired
US10629815B2 Conjugated polymers Emerging Cross-Sectional Technologies 1 Active
US8389670B2 Dithienobenzo-thieno[3,2-B]thiophene-copolymer and its use as high performance solution processable semiconducting polymer Emerging Cross-Sectional Technologies 1 Active

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