Andreas Freund
15Patents
9h-index
37Co-inventors
68Inventor score
Filing activity: Jan 7, 1994 → Jun 1, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5817870A | Process for the production of malonic acid or a salt thereof | Chemistry; Metallurgy | 72 | Expired |
| US6007934A | Co-tolerant anode catalyst for PEM fuel cells and a process for its preparation | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5767036A | Platinum-aluminum alloy catalyst for fuel cells and method of its production and use | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5900386A | Shell catalysts, processes for their preparation and their use | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6232511A | Process for the production of 1,3-propanediol by hydrogenating 3-hydroxypropionaldehyde | Chemistry; Metallurgy | 38 | Expired |
| US5489563A | Platinum alloy catalyst for fuel cells and method of its production | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5773677A | Process for the hydrogenolysis of C--O and C.dbd.O bonds in organic substances | Chemistry; Metallurgy | 22 | Expired |
| US6794331B2 | Raney copper | Performing Operations; Transporting | 10 | Expired |
| US6337300B1 | Shaped metal fixed-bed catalyst, a process for its preparation and its use | Chemistry; Metallurgy | 9 | Expired |
| US6262307A | Shaped, activated metal, fixed-bed catalyst | Chemistry; Metallurgy | 7 | Expired |
| US5831121A | Process for the production of 3-hydroxy propionic acid or a salt thereof | Chemistry; Metallurgy | 6 | Expired |
| US5387726A | Selective catalytic hydrogenation of aromatic aldehydes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5959164A | Use of catalysts based on catalyst supports containing silicon dioxide for catalytic reactions under hydrothermal conditions | Chemistry; Metallurgy | 3 | Expired |
| US7632967B2 | Raney copper | Performing Operations; Transporting | 2 | Active |
| US6316381A | Multimetallic catalyst and process for preparing substituted aromatic amines | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.