Steffen Krill
82Patents
7h-index
84Co-inventors
75Inventor score
Filing activity: May 14, 1997 → Nov 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6063968A | Method for the production of trimethylhydroquinone | Chemistry; Metallurgy | 34 | Expired |
| US9617199B2 | Process for preparing unsaturated esters proceeding from aldehydes by direct oxidative esterification | Emerging Cross-Sectional Technologies | 25 | Active |
| US9890105B2 | Method for producing methylmethacrylate | Chemistry; Metallurgy | 22 | Active |
| US9963417B2 | Process for producing methyl methacrylate | Emerging Cross-Sectional Technologies | 9 | Active |
| US10301251B2 | Extractive workup of a sodium-salt-containing MMA-methanol mixture | Emerging Cross-Sectional Technologies | 9 | Active |
| US5874632A | Method of producing ketoisophorone | Chemistry; Metallurgy | 8 | Expired |
| US11124471B2 | Process for oxidative esterification of aldehydes to carboxylic acid esters | Chemistry; Metallurgy | 7 | Active |
| US7423173B2 | Method for producing alpha-hydroxycarboxylic acids and the esters thereof | Chemistry; Metallurgy | 6 | Expired |
| US6262311A | Process for the preparation of 2,3,5-trimethyl-p-benzoquinone | Chemistry; Metallurgy | 6 | Expired |
| US10766847B2 | Method for producing methylmethacrylate | Chemistry; Metallurgy | 6 | Active |
| US10457626B2 | Method for producing methylmethacrylate | Chemistry; Metallurgy | 5 | Active |
| US10273201B2 | Method for producing methylmethacrylate | Chemistry; Metallurgy | 5 | Active |
| US10479754B2 | Synthesis of methacrylic acid from methacrolein-based alkyl methacrylate | Chemistry; Metallurgy | 5 | Active |
| US9611204B2 | Method of regulating the water content in a continuous method for producing methacrolein | Chemistry; Metallurgy | 4 | Active |
| US11319276B2 | Preparation of diesters of (meth)acrylic acid from epoxides | Performing Operations; Transporting | 4 | Active |
| US11414373B2 | Glycerol (meth)acrylate carboxylic ester having a long shelf life | Chemistry; Metallurgy | 4 | Active |
| US10232353B2 | Gold-based catalyst for the oxidative esterification of aldehydes to obtain carboxylic esters | Performing Operations; Transporting | 4 | Active |
| US10343980B2 | Preparation of N,N-(di)alkylaminoalkyl(meth)acrylamide or N,N-(di)alkylaminoalkyl (meth)acrylate and the quaternary ammonium salts thereof as flocculating aids and gelling agents | Chemistry; Metallurgy | 4 | Active |
| US10125077B2 | Optimized process for preparing methacrylic acid | Chemistry; Metallurgy | 4 | Active |
| US6380437B1 | Process for the preparation of unsaturated 4,5-allene ketones, 3,5-diene ketones and the corresponding saturated ketones | Chemistry; Metallurgy | 4 | Expired |
| US9816703B2 | Recirculation and disposal of aqueous catalyst solutions in amine catalytic processes | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9580374B2 | Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterification | Chemistry; Metallurgy | 4 | Active |
| US10596539B2 | Method for carrying out a heterogeneously catalysed reaction | Performing Operations; Transporting | 3 | Active |
| US11299449B2 | Process for preparing MMA in high yields | Chemistry; Metallurgy | 3 | Active |
| US9994507B2 | Optimized method for producing methacrolein | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.