Do Woan Kim
19Patents
5h-index
68Co-inventors
69Inventor score
Filing activity: Sep 4, 1998 → Aug 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9127215B2 | Method for reducing the amount of organic acids in a hydrocarbon oil fraction | Emerging Cross-Sectional Technologies | 25 | Active |
| US8962900B2 | Method for producing valuable aromatics and light paraffins from hydrocarbonaceous oils derived from oil, coal or wood | Emerging Cross-Sectional Technologies | 13 | Active |
| US8585889B2 | Process for manufacturing high quality naphthenic base oils | Chemistry; Metallurgy | 8 | Active |
| US8912377B2 | Method for producing high value aromatics and olefin from light cycle oil produced by a fluidized catalytic cracking process | Chemistry; Metallurgy | 7 | Active |
| US8911613B2 | Method of simultaneously manufacturing high quality naphthenic base oil and heavy base oil | Chemistry; Metallurgy | 5 | Active |
| US9283553B2 | Hydrocracking catalyst for preparing valuable light aromatic hydrocarbons from polycyclic aromatic hydrocarbons | Emerging Cross-Sectional Technologies | 5 | Active |
| US8980082B2 | Method of simultaneously removing sulfur and mercury from hydrocarbon material using catalyst by means of hydrotreating reaction | Chemistry; Metallurgy | 3 | Active |
| US10544374B2 | Process for reducing haze in heavy base oil and hydroisomerization catalyst system having reduced haze | Chemistry; Metallurgy | 1 | Active |
| US8506892B2 | Exhaust gas purifying device for diesel engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US8834706B2 | Method for preparing lubricating base oils by using vacuum distilled deasphalted oil | Chemistry; Metallurgy | 1 | Active |
| US9687828B2 | Activated EU-2 zeolite and use thereof | Chemistry; Metallurgy | 1 | Active |
| US10155219B2 | Catalyst containing metal cluster in structurally collapsed zeolite, and use thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US12227705B2 | Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant | Chemistry; Metallurgy | 0 | Active |
| US10385277B2 | Catalyst for producing hydrogenated biodiesel and method of producing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10406510B2 | Catalyst containing metal cluster in structurally collapsed zeolite, and use thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US9550947B2 | Hydrocracking process of heavy hydrocarbon distillates using supercritical solvent | Chemistry; Metallurgy | 0 | Active |
| US11873456B2 | Process of producing high-quality lube base oil by using refined oil fraction of waste lubricant | Chemistry; Metallurgy | 0 | Active |
| US5968228A | Process for preparing cobalt metals using nitrogen reductant | Chemistry; Metallurgy | 0 | Expired |
| US9782760B2 | Method of preparing an activated EU-2 zeolite | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.