Inventor · Ostseebad Nienhagen, DE

Matthias Beller

126Patents
12h-index
197Co-inventors
89Inventor score

Filing activity: Aug 20, 1990 → Mar 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6235910A Process for the preparation of imidazolidine-2, 4-diones Chemistry; Metallurgy 34 Expired
US6222073A Catalytic synthesis of N-alkylated anilines from olefins and anilines Chemistry; Metallurgy 27 Expired
US6825377B1 Method for the dihydroxylation of olefins using transition metal catalysts Chemistry; Metallurgy 26 Expired
US6005151A Processs for preparing aromatic olefins using palladacycle catalysis Performing Operations; Transporting 25 Expired
US7148176B2 Production of novel phosphane ligands and use in catalytical reactions Chemistry; Metallurgy 23 Expired
US6924389B2 Method for producing diphosphines and the use thereof Performing Operations; Transporting 22 Expired
US7109346B2 N-phenyl-pyrrol bisphosphane compounds and the metal complexes of the same Chemistry; Metallurgy 21 Expired
US6956133B2 Process for hydroformylating an olefin Performing Operations; Transporting 21 Expired
US7758897B2 Method for the production of metal complexes Chemistry; Metallurgy 16 Expired
US8835691B2 Process for homogeneously catalyzed, highly selective direct amination of primary alcohols with ammonia to primary amines with a high volume ratio of liquid phase to gas phase and/or high pressures Chemistry; Metallurgy 14 Active
US5559277A Process for preparing biphenyls using palladacycles as catalysts Chemistry; Metallurgy 14 Expired
US5631393A Palladium catalysts containing sulfonated bisphosphines as ligands, process for their preparation and their use in carbonylation reactions Performing Operations; Transporting 13 Expired
US5942152A Bleach systems comprising bis- and tris(.mu.-oxo)dimanganese complex salts Chemistry; Metallurgy 11 Expired
US5831128A Synthesis of aromatic amines from chloroamatics Chemistry; Metallurgy 11 Expired
US9725398B2 Benzene-based diphosphine ligands for alkoxycarbonylation Performing Operations; Transporting 10 Active
US7026523B2 Method for telomerizing non-cyclic olefins Performing Operations; Transporting 10 Expired
US7115790B2 Method for the production of 1-octene by reductive telomerisation Chemistry; Metallurgy 9 Expired
US7589081B2 Nitrogen-containing monodentate phosphines and their use in catalysis Performing Operations; Transporting 9 Expired
US5516929A Method for catalytic asymmetric dihydroxylation of olefins using heterocyclic chiral ligands Chemistry; Metallurgy 9 Expired
US5756413A Process for recovering cobalt carbonyl catalysts used in the preparation of N-acyl-.alpha.-amino acid derivates by amidocarbonylation Performing Operations; Transporting 8 Expired
US5650537A Process for the preparation of N-acyl-.alpha.-amino acid derivatives Chemistry; Metallurgy 8 Expired
US9688604B2 Phosphine ligand and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds Performing Operations; Transporting 7 Active
US5360924A Process for preparing aromatic olefins Chemistry; Metallurgy 7 Expired
US10077228B2 Ferrocene-based compounds and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds Performing Operations; Transporting 7 Active
US5516932A Halogenated cinnamic acids and esters thereof, processes for the preparation thereof and halogenated aryldiazonium salts Chemistry; Metallurgy 7 Expired

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