Stefan Drees
8Patents
4h-index
22Co-inventors
57Inventor score
Filing activity: Jul 24, 2002 → Nov 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6720457B2 | Process for the hydroformylation of higher olefins using cobalt compounds as catalyst | Chemistry; Metallurgy | 23 | Expired |
| US7179947B2 | Process for the hydroformylation of olefins | Chemistry; Metallurgy | 12 | Expired |
| US8138379B2 | One-stage continuous process for hydroformylating higher olefins or olefin mixtures | Chemistry; Metallurgy | 8 | Active |
| US8129571B2 | Multistage continuous process for the hydroformylation of higher olefins or olefin mixtures | Performing Operations; Transporting | 6 | Active |
| US11820739B2 | Process for preparing aldehydes and cooling a stream of matter | Chemistry; Metallurgy | 0 | Active |
| US12296301B2 | Variable, self-regulating permeate recycling in organophilic nanofiltration | Performing Operations; Transporting | 0 | Active |
| US11806669B2 | Variable and self-regulating permeate recycling in organophilic nanofiltration | Performing Operations; Transporting | 0 | Active |
| US11773041B2 | Process for preparing aldehydes and cooling a stream of matter | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.