Michael A. Risch
20Patents
6h-index
21Co-inventors
58Inventor score
Filing activity: Mar 22, 2002 → Aug 26, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7199273B2 | Selective hydrogenation of alkynes and/or diolefins | Chemistry; Metallurgy | 59 | Expired |
| US6717025B1 | Process for removing oxygenates from an olefinic stream | Chemistry; Metallurgy | 12 | Expired |
| US7227047B2 | Butadiene and isobutylene removal from olefinic streams | Chemistry; Metallurgy | 11 | Expired |
| US7326821B2 | Removal of oxygenate from an olefin stream | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7145051B2 | Combined oxydehydrogenation and cracking catalyst for production of olefins | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7153807B2 | Catalysts for selective hydrogenation of alkynes and alkadienes | Performing Operations; Transporting | 8 | Expired |
| US7423103B2 | Low fouling and high activity polymerization process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7038097B2 | Dual bed process using two different catalysts for selective hydrogenation of acetylene and dienes | Chemistry; Metallurgy | 5 | Expired |
| US7449530B2 | Polymerization process | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7220700B2 | Catalyst and process for selective hydrogenation | Chemistry; Metallurgy | 5 | Expired |
| US7087794B2 | Oxygenate conversion in the presence of highly unsaturated compounds | Chemistry; Metallurgy | 3 | Expired |
| US7220701B2 | Catalyst and process for selective hydrogenation | Chemistry; Metallurgy | 3 | Expired |
| US7550637B2 | Catalyst and process for selective hydrogenation | Chemistry; Metallurgy | 3 | Active |
| US6987208B2 | Process for removing oxygenates from an olefinic stream | Chemistry; Metallurgy | 2 | Expired |
| US7700699B2 | Polymerization process | Emerging Cross-Sectional Technologies | 1 | Active |
| US7491776B2 | Polymerization process | Chemistry; Metallurgy | 1 | Expired |
| US7728084B2 | Polymerization process | Chemistry; Metallurgy | 1 | Active |
| US7858714B2 | Polymerization process | Chemistry; Metallurgy | 0 | Active |
| US7462751B2 | Catalyst and process for selective hydrogenation | Chemistry; Metallurgy | 0 | Active |
| US7691956B2 | Polymerization process | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.