Gerhard Theis
17Patents
4h-index
39Co-inventors
56Inventor score
Filing activity: Dec 1, 1999 → Jul 26, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6265625A | Isolation of glycols | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6443170B1 | Cleaning apparatus for removing residues | Performing Operations; Transporting | 6 | Expired |
| US7790937B2 | Process for the preparation of 1,2-propanediol | Emerging Cross-Sectional Technologies | 6 | Active |
| US6605192B1 | Method for producing highly pure monoethylene glycol | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6514388B1 | Method for producing highly pure monoethylene glycol | Chemistry; Metallurgy | 4 | Expired |
| US8814989B2 | Process for removing carbon dioxide (CO2) from a cycle gas system | Emerging Cross-Sectional Technologies | 2 | Active |
| US8580982B2 | Use of structured catalyst beds for preparing ethylene oxide | Chemistry; Metallurgy | 2 | Active |
| US8273924B2 | Method for producing 1,2-propandiol by low-pressure hydrogenation of glycerine | Emerging Cross-Sectional Technologies | 2 | Active |
| US6397599B1 | Method for producing ethylene oxide by directly oxidizing ethylene with air or oxygen | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10077223B2 | Method for producing monoethylene glycol | Emerging Cross-Sectional Technologies | 1 | Active |
| US8293951B2 | Method for producing 1,2-propandiol by hydrogenation in at least three successive reactors | Emerging Cross-Sectional Technologies | 0 | Active |
| US8252962B2 | Method for producing 1,2-propandiol by hydrogenating glycerine in a two-step reactor cascade | Emerging Cross-Sectional Technologies | 0 | Active |
| US8809596B2 | Method for producing deodorized 1,2-propanediol | Chemistry; Metallurgy | 0 | Active |
| US9000213B2 | Process for coproducing di- and/or polyisocyanates and glycols | Chemistry; Metallurgy | 0 | Active |
| US8745995B2 | Process for heat integration by means of a refrigeration system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9145347B2 | Process for preparing deodorized 1,2-propanediol | Chemistry; Metallurgy | 0 | Active |
| US8933254B2 | Process for making ethylene oxide | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.