Horst Hartmann
73Patents
11h-index
123Co-inventors
81Inventor score
Filing activity: Jun 14, 1976 → Jun 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4522743A | Preparation of finely divided pulverulent carotinoid and retinoid compositions | Chemistry; Metallurgy | 76 | Expired |
| US6908783B1 | Method of doping organic semiconductors with quinonediimine derivatives | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4908477A | Removal of organic iodine compounds from carbonylation products of methanol methyl acetate and dimethyl ether | Chemistry; Metallurgy | 43 | Expired |
| US5777173A | Preparation of pure trans- and cis-4-Hydroxy-2,2,6-trimethylcyclohexan-1-one from isomerc mixtures | Chemistry; Metallurgy | 20 | Expired |
| US5382685A | Preparation of O-substituted hydroxylammonium salts | Chemistry; Metallurgy | 18 | Expired |
| US5515605A | Apparatus and process for soldering component onto boards | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6364582B1 | Machine tool with a working area cover | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6984737B2 | Di(het)arylaminothiophene derivatives | Chemistry; Metallurgy | 14 | Expired |
| US8092655B2 | Dividing wall column for fractionation of a multicomponent mixture | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD551110S1 | Control panel for machine tools | General | 12 | Expired |
| US4117980A | Implement, in particular a household implement, for chopping cuttable material, in particular meat, onions or the like | Performing Operations; Transporting | 12 | Expired |
| US8258501B2 | Use of a metal complex as an n-Dopant for an organic semiconducting matrix material, organic of semiconducting material and electronic component, and also a dopant and ligand and process for producing same | Emerging Cross-Sectional Technologies | 11 | Active |
| US7981324B2 | Oxocarbon-, pseudooxocarbon- and radialene compounds and their use | Emerging Cross-Sectional Technologies | 10 | Active |
| US5950454A | Cloth or cloth-like packing which is subject to low pressure losses and has an ordered structure for use in material-exchange columns and rectification method using such packing | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4383893A | Distillative separation of liquid mixtures containing aliphatic alcohols | Chemistry; Metallurgy | 8 | Expired |
| US5319111A | Preparation of tetrahydrofuran and gamma-butyrolactone | Chemistry; Metallurgy | 8 | Expired |
| US6111117A | Process for isolation of pure substances from mixtures of high-boiling air and/or temperature-sensitive substances which require a high separation efficiency by rectification under medium vacuum, and columns suitable for this process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4551208A | Recovery of formic acid by distillation | Chemistry; Metallurgy | 7 | Expired |
| US4889950A | Preparation of carboxylic esters | Chemistry; Metallurgy | 7 | Expired |
| US4192470A | Cutting device for the shredding of foodstuffs such as onions, vegetables and fruits | Performing Operations; Transporting | 7 | Expired |
| US8617426B2 | Oxocarbon-, pseudooxocarbon- and radialene compounds and their use | Emerging Cross-Sectional Technologies | 6 | Active |
| US9592847B2 | Steering column arrangement with torsion damper element, and assembly method | Emerging Cross-Sectional Technologies | 5 | Active |
| US8431046B2 | Use of heterocyclic radicals for doping organic semiconductors | Emerging Cross-Sectional Technologies | 5 | Active |
| US6554965B1 | Rectification column for isolating pure substances from high boiling air-and/or temperature sensitive substances | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8134146B2 | Heterocyclic radical or diradical, the dimers, oligomers, polymers, dispiro compounds and polycycles thereof, the use thereof, organic semiconductive material and electronic or optoelectronic component | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.