Inventor · Amsterdam, NL

Eit Drent

214Patents
20h-index
65Co-inventors
93Inventor score

Filing activity: Mar 25, 1980 → Sep 10, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4880903A Polyketone from carbon monoxide and mixture of olefins Chemistry; Metallurgy 101 Expired
US4835250A Catalytic preparation of polyketone from carbon monoxide and olefin Chemistry; Metallurgy 67 Expired
US4818810A Catalytic process for the preparation of polyketones from carbon monoxide and ethylenically unsaturated hydrocarbon Chemistry; Metallurgy 66 Expired
US4868282A Polyketone preparation from regulated quotient mixture of olefins Chemistry; Metallurgy 47 Expired
US4474978A Preparation of carbamates Performing Operations; Transporting 44 Expired
US5310948A Carbonylation of epoxides Chemistry; Metallurgy 39 Expired
US5359081A Carbonylation of epoxides Chemistry; Metallurgy 34 Expired
US4249031A Process for the preparation of a hydrocarbon mixture Emerging Cross-Sectional Technologies 29 Expired
US5028576A Carbonylation catalyst system Performing Operations; Transporting 29 Expired
US4788279A Catalyst compositions and processes for polymerizing carbon monoxide and olefinically unsaturated hydrocarbons Chemistry; Metallurgy 28 Expired
US4786443A Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst Chemistry; Metallurgy 28 Expired
US4634793A Process for the dimerization of olefins Chemistry; Metallurgy 26 Expired
US6376723B2 Process for the carbonylation of formaldehyde Chemistry; Metallurgy 23 Expired
US4599476A Process for the preparation of dimerization products from olefins Chemistry; Metallurgy 22 Expired
US5177253A Process for the preparation of alpha,beta-olefinically unsaturated compounds Performing Operations; Transporting 22 Expired
US5149868A Carbonylation process Chemistry; Metallurgy 21 Expired
US4739110A Process for the carbonylation of allenically unsaturated compounds Chemistry; Metallurgy 21 Expired
US6080898A Hydrogenolysis of glycerol Chemistry; Metallurgy 21 Expired
US5179225A Carbonylation catalyst system Performing Operations; Transporting 20 Expired
US5028734A Process for the selective preparation of alkenecarboxylic acid derivatives Chemistry; Metallurgy 20 Expired
US4960926A Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst Chemistry; Metallurgy 20 Expired
US6156934A Diphosphines Performing Operations; Transporting 19 Expired
US4786714A Catalytic process for polymerizing carbon monoxide and olefin(s) with nitrogen bidentate ligand Chemistry; Metallurgy 19 Expired
US5166116A Carbonylation catalyst system Performing Operations; Transporting 19 Expired
US5158921A Carbonylation catalyst and process Performing Operations; Transporting 18 Expired

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